ARDMORE ENTERPRISE

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 90,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-10-27T03:21:08+00:00",
        "lat": 36.13764830000000216614353121258318424224853515625,
        "lon": -0.184218300000000001492850287831970490515232086181640625
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}

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 113.2999999999999971578290569595992565155029296875,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-10-27T02:57:49+00:00",
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        "lon": -0.184526699999999987955590086130541749298572540283203125
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        "lat": 35.89986499999999836063580005429685115814208984375,
        "lon": -0.2084467000000000125314869592330069281160831451416015625
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}

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 271,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-10-27T00:20:10+00:00",
        "lat": 36.10553329999999760957507533021271228790283203125,
        "lon": -0.201564999999999994173549566767178475856781005859375
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        "lon": -0.2084467000000000125314869592330069281160831451416015625
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}

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 304,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-10-26T23:47:10+00:00",
        "lat": 36.10184670000000295431163976900279521942138671875,
        "lon": -0.203100000000000002753353101070388220250606536865234375
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    "last_point": {
        "ts": "2026-10-27T04:51:08+00:00",
        "lat": 35.89986499999999836063580005429685115814208984375,
        "lon": -0.2084467000000000125314869592330069281160831451416015625
    }
}

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 357.30000000000001136868377216160297393798828125,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-10-26T21:36:29+00:00",
        "lat": 36.08991999999999933379513095133006572723388671875,
        "lon": -0.20150170000000000580797632210305891931056976318359375
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    "last_point": {
        "ts": "2026-10-27T03:33:48+00:00",
        "lat": 36.108963299999999208012013696134090423583984375,
        "lon": -0.2017867000000000132775568317811121232807636260986328125
    }
}

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 391,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-10-26T20:26:48+00:00",
        "lat": 36.088331699999997681516106240451335906982421875,
        "lon": -0.1958117000000000051951332125099725089967250823974609375
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    "last_point": {
        "ts": "2026-10-27T02:57:49+00:00",
        "lat": 36.13492169999999958918124320916831493377685546875,
        "lon": -0.184526699999999987955590086130541749298572540283203125
    }
}

{
    "zone_id": "discovered_132",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 340.5,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-10-26T18:39:40+00:00",
        "lat": 36.10342829999999736401150585152208805084228515625,
        "lon": -0.1786516999999999966153296782067627646028995513916015625
    },
    "last_point": {
        "ts": "2026-10-27T00:20:10+00:00",
        "lat": 36.10553329999999760957507533021271228790283203125,
        "lon": -0.201564999999999994173549566767178475856781005859375
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 84.2999999999999971578290569595992565155029296875,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-09-23T10:00:16+00:00",
        "lat": 34.70971999999999724195731687359511852264404296875,
        "lon": 33.32295330000000177506080945022404193878173828125
    },
    "last_point": {
        "ts": "2026-09-23T11:24:36+00:00",
        "lat": 34.55995999999999668261807528324425220489501953125,
        "lon": 33.291961700000001656007952988147735595703125
    }
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 66.099999999999994315658113919198513031005859375,
    "avg_distance_m": 71.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.5,
    "duration_minutes": 60.10000000000000142108547152020037174224853515625,
    "overlap_duration_s": 3605,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-23T09:06:15+00:00",
        "end": "2026-09-23T10:06:20+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 72m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 60 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 66m, avg 72m) for 60 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70992220000000116897354018874466419219970703125,
            "lon": 33.322693299999997407212504185736179351806640625
        },
        "time_window": {
            "start_ts": "2026-09-23T09:06:15+00:00",
            "end_ts": "2026-09-23T10:06:20+00:00"
        },
        "searched_at": "2026-09-23T15:30:02.198579+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 138.30000000000001136868377216160297393798828125,
    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-09-23T09:06:15+00:00",
        "lat": 34.70972669999999737910911790095269680023193359375,
        "lon": 33.32300000000000039790393202565610408782958984375
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    "last_point": {
        "ts": "2026-09-23T11:24:36+00:00",
        "lat": 34.55995999999999668261807528324425220489501953125,
        "lon": 33.291961700000001656007952988147735595703125
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}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 66.099999999999994315658113919198513031005859375,
    "avg_distance_m": 72.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 3,
    "duration_minutes": 72.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 4324,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-23T08:54:16+00:00",
        "end": "2026-09-23T10:06:20+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 72m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 72 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 66m, avg 72m) for 72 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70992199999999883175405557267367839813232421875,
            "lon": 33.3226925000000022691892809234559535980224609375
        },
        "time_window": {
            "start_ts": "2026-09-23T08:54:16+00:00",
            "end_ts": "2026-09-23T10:06:20+00:00"
        },
        "searched_at": "2026-09-23T10:45:01.684239+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 201.30000000000001136868377216160297393798828125,
    "points_in_zone": 40,
    "first_point": {
        "ts": "2026-09-23T08:03:16+00:00",
        "lat": 34.7097217000000028974682209081947803497314453125,
        "lon": 33.3229467000000028065187507309019565582275390625
    },
    "last_point": {
        "ts": "2026-09-23T11:24:36+00:00",
        "lat": 34.55995999999999668261807528324425220489501953125,
        "lon": 33.291961700000001656007952988147735595703125
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}

{
    "radius_m": 980.700000000000045474735088646411895751953125,
    "duration_minutes": 147.599999999999994315658113919198513031005859375,
    "points": 15,
    "centroid": {
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        "lon": 33.32427201333333499633226892910897731781005859375
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    "bbox": {
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        "max_lat": 34.7097399999999964848029776476323604583740234375,
        "max_lon": 33.33417670000000043728505261242389678955078125
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 64.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 70.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 2.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 120.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 7205,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-23T07:42:18+00:00",
        "end": "2026-09-23T09:42:23+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 120 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 120 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 261.3999999999999772626324556767940521240234375,
    "points_in_zone": 45,
    "first_point": {
        "ts": "2026-09-23T07:03:14+00:00",
        "lat": 34.70971670000000131039996631443500518798828125,
        "lon": 33.32296999999999798092176206409931182861328125
    },
    "last_point": {
        "ts": "2026-09-23T11:24:36+00:00",
        "lat": 34.55995999999999668261807528324425220489501953125,
        "lon": 33.291961700000001656007952988147735595703125
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}

{
    "radius_m": 1012.3999999999999772626324556767940521240234375,
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    "points": 20,
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        "lon": 33.3239456749999902740455581806600093841552734375
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    "zone_id": "discovered_039"
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{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 62.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 68.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3,
    "duration_minutes": 114.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 6846,
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    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-23T06:51:14+00:00",
        "end": "2026-09-23T08:45:20+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 63m, avg 69m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 114 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 63m, avg 69m) for 114 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
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}

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{
    "vessel_a": {
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        "name": "DIDIMON",
        "flag": "Liberia"
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    "vessel_b": {
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    "min_distance_m": 68.099999999999994315658113919198513031005859375,
    "avg_distance_m": 71.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 2.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 135,
    "overlap_duration_s": 8102,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-23T05:06:19+00:00",
        "end": "2026-09-23T07:21:21+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 135 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 68m, avg 71m) for 135 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 381.3999999999999772626324556767940521240234375,
    "points_in_zone": 64,
    "first_point": {
        "ts": "2026-09-23T05:03:14+00:00",
        "lat": 34.7097083000000026231646188534796237945556640625,
        "lon": 33.322980000000001155058271251618862152099609375
    },
    "last_point": {
        "ts": "2026-09-23T11:24:36+00:00",
        "lat": 34.55995999999999668261807528324425220489501953125,
        "lon": 33.291961700000001656007952988147735595703125
    }
}

{
    "radius_m": 1058.700000000000045474735088646411895751953125,
    "duration_minutes": 327.69999999999998863131622783839702606201171875,
    "points": 39,
    "centroid": {
        "lat": 34.70958243333334536373513401485979557037353515625,
        "lon": 33.32346872307692819958901964128017425537109375
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    "bbox": {
        "min_lat": 34.7059933000000029323928174562752246856689453125,
        "min_lon": 33.3229400000000026693669497035443782806396484375,
        "max_lat": 34.7097882999999995945472619496285915374755859375,
        "max_lon": 33.33417670000000043728505261242389678955078125
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    "zone_id": "discovered_039"
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393.30000000000001136868377216160297393798828125,
    "points_in_zone": 66,
    "first_point": {
        "ts": "2026-09-23T04:51:16+00:00",
        "lat": 34.70972830000000186601027962751686573028564453125,
        "lon": 33.3229299999999994952304405160248279571533203125
    },
    "last_point": {
        "ts": "2026-09-23T11:24:36+00:00",
        "lat": 34.55995999999999668261807528324425220489501953125,
        "lon": 33.291961700000001656007952988147735595703125
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}

{
    "radius_m": 1066.40000000000009094947017729282379150390625,
    "duration_minutes": 387.69999999999998863131622783839702606201171875,
    "points": 46,
    "centroid": {
        "lat": 34.70960528695652413944117142818868160247802734375,
        "lon": 33.3233894260869618619835819117724895477294921875
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    "bbox": {
        "min_lat": 34.7059933000000029323928174562752246856689453125,
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        "max_lat": 34.7097882999999995945472619496285915374755859375,
        "max_lon": 33.33417670000000043728505261242389678955078125
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 60.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 69.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.70000000000000017763568394002504646778106689453125,
    "duration_minutes": 201.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 12065,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-23T04:00:16+00:00",
        "end": "2026-09-23T07:21:21+00:00"
    },
    "points_count": {
        "vessel_a": 20,
        "vessel_b": 20
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 201 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 61m, avg 70m) for 201 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7099424000000027490386855788528919219970703125,
            "lon": 33.32267449999999797682903590612113475799560546875
        },
        "time_window": {
            "start_ts": "2026-09-23T04:00:16+00:00",
            "end_ts": "2026-09-23T07:21:21+00:00"
        },
        "searched_at": "2026-09-23T10:15:02.206283+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 60.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 69.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 216,
    "overlap_duration_s": 12959,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-23T03:45:22+00:00",
        "end": "2026-09-23T07:21:21+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 216 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 61m, avg 70m) for 216 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396.3999999999999772626324556767940521240234375,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-09-23T03:51:14+00:00",
        "lat": 34.7097033000000010360963642597198486328125,
        "lon": 33.3229467000000028065187507309019565582275390625
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    "last_point": {
        "ts": "2026-09-23T10:27:36+00:00",
        "lat": 34.70792829999999895562723395414650440216064453125,
        "lon": 33.3311532999999968751581036485731601715087890625
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}

{
    "radius_m": 759.5,
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    "points": 47,
    "centroid": {
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        "min_lon": 33.32287999999999783540260978043079376220703125,
        "max_lat": 34.7097882999999995945472619496285915374755859375,
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{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 61.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 70.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 204,
    "overlap_duration_s": 12238,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-23T02:00:19+00:00",
        "end": "2026-09-23T05:24:17+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 204 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 61m, avg 70m) for 204 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
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            "lon": 33.3226762999999976955223246477544307708740234375
        },
        "time_window": {
            "start_ts": "2026-09-23T02:00:19+00:00",
            "end_ts": "2026-09-23T05:24:17+00:00"
        },
        "searched_at": "2026-09-23T08:15:28.129062+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 49,
    "first_point": {
        "ts": "2026-09-23T02:42:14+00:00",
        "lat": 34.70971329999999710480551584623754024505615234375,
        "lon": 33.32296000000000191221261047758162021636962890625
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    "last_point": {
        "ts": "2026-09-23T09:18:16+00:00",
        "lat": 34.70971829999999869187377043999731540679931640625,
        "lon": 33.3229850000000027421265258453786373138427734375
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}

{
    "radius_m": 9.0999999999999996447286321199499070644378662109375,
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    "points": 49,
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{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
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    "min_distance_m": 61.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 70.5,
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    "overlap_duration_s": 12423,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-23T01:57:14+00:00",
        "end": "2026-09-23T05:24:17+00:00"
    },
    "points_count": {
        "vessel_a": 25,
        "vessel_b": 25
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 207 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 61m, avg 70m) for 207 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
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    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 49,
    "first_point": {
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        "ts": "2026-09-23T08:27:17+00:00",
        "lat": 34.70973500000000200316208065487444400787353515625,
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}

{
    "radius_m": 9,
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{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 389.8999999999999772626324556767940521240234375,
    "points_in_zone": 52,
    "first_point": {
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{
    "radius_m": 9.199999999999999289457264239899814128875732421875,
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    "points": 52,
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    "bbox": {
        "min_lat": 34.70969170000000048048605094663798809051513671875,
        "min_lon": 33.32287999999999783540260978043079376220703125,
        "max_lat": 34.70976830000000035170160117559134960174560546875,
        "max_lon": 33.32300670000000053505573305301368236541748046875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 63.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 70.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3.5,
    "duration_minutes": 186,
    "overlap_duration_s": 11161,
    "speed_a_avg": 0,
    "speed_a_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-23T00:21:21+00:00",
        "end": "2026-09-23T03:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 64m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 186 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 64m, avg 70m) for 186 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 61.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 68.599999999999994315658113919198513031005859375,
    "distance_consistency_m": 3.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 141,
    "overlap_duration_s": 8460,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T23:12:16+00:00",
        "end": "2026-09-23T01:33:16+00:00"
    },
    "points_count": {
        "vessel_a": 20,
        "vessel_b": 20
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 62m, avg 69m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 141 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 62m, avg 69m) for 141 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.709935500000000274667399935424327850341796875,
            "lon": 33.32268229999999675783328711986541748046875
        },
        "time_window": {
            "start_ts": "2026-09-22T23:12:16+00:00",
            "end_ts": "2026-09-23T01:33:16+00:00"
        },
        "searched_at": "2026-09-23T05:45:01.843706+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-09-22T23:36:16+00:00",
        "lat": 34.70972830000000186601027962751686573028564453125,
        "lon": 33.322976699999998118073563091456890106201171875
    },
    "last_point": {
        "ts": "2026-09-23T06:09:20+00:00",
        "lat": 34.7097432999999995217876858077943325042724609375,
        "lon": 33.3229682999999994308382156305015087127685546875
    }
}

{
    "radius_m": 9.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 50,
    "centroid": {
        "lat": 34.7097228960000023789689294062554836273193359375,
        "lon": 33.322962305999993759542121551930904388427734375
    },
    "bbox": {
        "min_lat": 34.70969170000000048048605094663798809051513671875,
        "min_lon": 33.32287999999999783540260978043079376220703125,
        "max_lat": 34.70976830000000035170160117559134960174560546875,
        "max_lon": 33.32300670000000053505573305301368236541748046875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 56.5,
    "avg_distance_m": 68,
    "distance_consistency_m": 4.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 162,
    "overlap_duration_s": 9720,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0,
    "speed_b_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T22:51:16+00:00",
        "end": "2026-09-23T01:33:16+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 56m, avg 68m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 162 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 56m, avg 68m) for 162 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-09-22T22:51:16+00:00",
        "lat": 34.70974170000000214031388168223202228546142578125,
        "lon": 33.32295169999999728815964772365987300872802734375
    },
    "last_point": {
        "ts": "2026-09-23T05:27:17+00:00",
        "lat": 34.7097217000000028974682209081947803497314453125,
        "lon": 33.3229682999999994308382156305015087127685546875
    }
}

{
    "radius_m": 13.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 396,
    "points": 50,
    "centroid": {
        "lat": 34.7097256660000113015485112555325031280517578125,
        "lon": 33.32295997399999265553560690023005008697509765625
    },
    "bbox": {
        "min_lat": 34.70969170000000048048605094663798809051513671875,
        "min_lon": 33.322845000000000936779542826116085052490234375,
        "max_lat": 34.70981669999999752462827018462121486663818359375,
        "max_lon": 33.32300670000000053505573305301368236541748046875
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 56.5,
    "avg_distance_m": 69.099999999999994315658113919198513031005859375,
    "distance_consistency_m": 4.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 216,
    "overlap_duration_s": 12959,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T21:57:17+00:00",
        "end": "2026-09-23T01:33:16+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 56m, avg 69m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 216 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 56m, avg 69m) for 216 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 389.8999999999999772626324556767940521240234375,
    "points_in_zone": 46,
    "first_point": {
        "ts": "2026-09-22T21:57:17+00:00",
        "lat": 34.70967329999999861911419429816305637359619140625,
        "lon": 33.3229867000000012922100722789764404296875
    },
    "last_point": {
        "ts": "2026-09-23T04:27:14+00:00",
        "lat": 34.7097533000000026959241949953138828277587890625,
        "lon": 33.32295830000000336212906404398381710052490234375
    }
}

{
    "radius_m": 13.800000000000000710542735760100185871124267578125,
    "duration_minutes": 389.8999999999999772626324556767940521240234375,
    "points": 46,
    "centroid": {
        "lat": 34.70972246521740345315265585668385028839111328125,
        "lon": 33.3229630521739039750173105858266353607177734375
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    "bbox": {
        "min_lat": 34.70967329999999861911419429816305637359619140625,
        "min_lon": 33.322845000000000936779542826116085052490234375,
        "max_lat": 34.70981669999999752462827018462121486663818359375,
        "max_lon": 33.32300670000000053505573305301368236541748046875
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 56.5,
    "avg_distance_m": 69.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 4.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 330,
    "overlap_duration_s": 19800,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0,
    "speed_b_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T20:03:16+00:00",
        "end": "2026-09-23T01:33:16+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 56m, avg 69m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 330 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 56m, avg 69m) for 330 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7099371999999988247509463690221309661865234375,
            "lon": 33.3226810999999969453710946254432201385498046875
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        "time_window": {
            "start_ts": "2026-09-22T20:03:16+00:00",
            "end_ts": "2026-09-23T01:33:16+00:00"
        },
        "searched_at": "2026-09-23T02:45:01.352322+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 45,
    "first_point": {
        "ts": "2026-09-22T20:54:14+00:00",
        "lat": 34.70972330000000027894202503375709056854248046875,
        "lon": 33.32298829999999867368387640453875064849853515625
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    "last_point": {
        "ts": "2026-09-23T03:24:17+00:00",
        "lat": 34.70974170000000214031388168223202228546142578125,
        "lon": 33.32294830000000018799255485646426677703857421875
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}

{
    "radius_m": 14,
    "duration_minutes": 390.1000000000000227373675443232059478759765625,
    "points": 45,
    "centroid": {
        "lat": 34.709721742222228613172774203121662139892578125,
        "lon": 33.3229647488888787165706162340939044952392578125
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    "bbox": {
        "min_lat": 34.70967329999999861911419429816305637359619140625,
        "min_lon": 33.322845000000000936779542826116085052490234375,
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 56.5,
    "avg_distance_m": 69.5,
    "distance_consistency_m": 4.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 369,
    "overlap_duration_s": 22140,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
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    "speed_summary": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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        "vessel_b": {
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    },
    "time_window": {
        "start": "2026-09-22T19:24:16+00:00",
        "end": "2026-09-23T01:33:16+00:00"
    },
    "points_count": {
        "vessel_a": 42,
        "vessel_b": 42
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 56m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 369 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 56m, avg 70m) for 369 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393,
    "points_in_zone": 45,
    "first_point": {
        "ts": "2026-09-22T19:54:16+00:00",
        "lat": 34.7096700000000026875568437390029430389404296875,
        "lon": 33.323031700000001364969648420810699462890625
    },
    "last_point": {
        "ts": "2026-09-23T02:27:15+00:00",
        "lat": 34.7097049999999995861799106933176517486572265625,
        "lon": 33.3229867000000012922100722789764404296875
    }
}

{
    "radius_m": 13.9000000000000003552713678800500929355621337890625,
    "duration_minutes": 393,
    "points": 45,
    "centroid": {
        "lat": 34.70972459555554934240717557258903980255126953125,
        "lon": 33.32296612222221909860309096984565258026123046875
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        "min_lat": 34.7096700000000026875568437390029430389404296875,
        "min_lon": 33.322845000000000936779542826116085052490234375,
        "max_lat": 34.70981669999999752462827018462121486663818359375,
        "max_lon": 33.323031700000001364969648420810699462890625
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.099999999999994315658113919198513031005859375,
    "avg_distance_m": 70.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 191.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 11513,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T18:06:20+00:00",
        "end": "2026-09-22T21:18:13+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 192 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 192 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70993659999999891851985012181103229522705078125,
            "lon": 33.32269240000000110057953861542046070098876953125
        },
        "time_window": {
            "start_ts": "2026-09-22T18:06:20+00:00",
            "end_ts": "2026-09-22T21:18:13+00:00"
        },
        "searched_at": "2026-09-23T00:45:01.400022+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 44,
    "first_point": {
        "ts": "2026-09-22T18:57:19+00:00",
        "lat": 34.7097016999999965491952025331556797027587890625,
        "lon": 33.3229867000000012922100722789764404296875
    },
    "last_point": {
        "ts": "2026-09-23T01:27:21+00:00",
        "lat": 34.70971670000000131039996631443500518798828125,
        "lon": 33.32296670000000204936441150493919849395751953125
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}

{
    "radius_m": 14,
    "duration_minutes": 390,
    "points": 44,
    "centroid": {
        "lat": 34.70972614090909047490640659816563129425048828125,
        "lon": 33.3229685318181765296685625799000263214111328125
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        "min_lat": 34.7096700000000026875568437390029430389404296875,
        "min_lon": 33.322845000000000936779542826116085052490234375,
        "max_lat": 34.70981669999999752462827018462121486663818359375,
        "max_lon": 33.323031700000001364969648420810699462890625
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.099999999999994315658113919198513031005859375,
    "avg_distance_m": 70.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 206.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 12417,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T17:51:16+00:00",
        "end": "2026-09-22T21:18:13+00:00"
    },
    "points_count": {
        "vessel_a": 26,
        "vessel_b": 26
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 207 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 207 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 44,
    "first_point": {
        "ts": "2026-09-22T17:51:16+00:00",
        "lat": 34.70972330000000027894202503375709056854248046875,
        "lon": 33.3229749999999995679900166578590869903564453125
    },
    "last_point": {
        "ts": "2026-09-23T00:27:16+00:00",
        "lat": 34.709706699999998136263457126915454864501953125,
        "lon": 33.32296999999999798092176206409931182861328125
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}

{
    "radius_m": 14.300000000000000710542735760100185871124267578125,
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    "points": 44,
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        "max_lat": 34.70981669999999752462827018462121486663818359375,
        "max_lon": 33.323031700000001364969648420810699462890625
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "min_distance_m": 65.099999999999994315658113919198513031005859375,
    "avg_distance_m": 70.7000000000000028421709430404007434844970703125,
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    "duration_minutes": 296.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 17817,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-09-22T16:21:16+00:00",
        "end": "2026-09-22T21:18:13+00:00"
    },
    "points_count": {
        "vessel_a": 34,
        "vessel_b": 34
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 297 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 71m) for 297 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 44,
    "first_point": {
        "ts": "2026-09-22T16:51:14+00:00",
        "lat": 34.70968830000000338031895807944238185882568359375,
        "lon": 33.3229716999999965310053084976971149444580078125
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    "last_point": {
        "ts": "2026-09-22T23:27:14+00:00",
        "lat": 34.7097217000000028974682209081947803497314453125,
        "lon": 33.3229783000000026049747248180210590362548828125
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}

{
    "radius_m": 14.5,
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    "points": 44,
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{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 46,
    "first_point": {
        "ts": "2026-09-22T15:30:14+00:00",
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        "ts": "2026-09-22T22:06:16+00:00",
        "lat": 34.7096999999999979991116560995578765869140625,
        "lon": 33.3229867000000012922100722789764404296875
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}

{
    "radius_m": 7.4000000000000003552713678800500929355621337890625,
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    "points": 46,
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        "max_lat": 34.70976499999999731471689301542937755584716796875,
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{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 60.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 70.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 329.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 19795,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
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    },
    "time_window": {
        "start": "2026-09-22T15:48:18+00:00",
        "end": "2026-09-22T21:18:13+00:00"
    },
    "points_count": {
        "vessel_a": 37,
        "vessel_b": 37
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 330 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 61m, avg 70m) for 330 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 47,
    "first_point": {
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    "last_point": {
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}

{
    "radius_m": 7.5999999999999996447286321199499070644378662109375,
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{
    "vessel_a": {
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        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
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        "flag": "Liberia"
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    "speed_summary": {
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    },
    "time_window": {
        "start": "2026-09-22T14:24:20+00:00",
        "end": "2026-09-22T16:27:15+00:00"
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    "points_count": {
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    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 123 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 61m, avg 70m) for 123 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70993510000000270565578830428421497344970703125,
            "lon": 33.322691300000002456727088429033756256103515625
        },
        "time_window": {
            "start_ts": "2026-09-22T14:24:20+00:00",
            "end_ts": "2026-09-22T16:27:15+00:00"
        },
        "searched_at": "2026-09-22T21:15:01.918535+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 387,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-09-22T13:27:16+00:00",
        "lat": 34.70972499999999882902557146735489368438720703125,
        "lon": 33.32294999999999873807610129006206989288330078125
    },
    "last_point": {
        "ts": "2026-09-22T19:54:16+00:00",
        "lat": 34.7096700000000026875568437390029430389404296875,
        "lon": 33.323031700000001364969648420810699462890625
    }
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 60.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 69,
    "distance_consistency_m": 4.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 206.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 12415,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-22T13:00:20+00:00",
        "end": "2026-09-22T16:27:15+00:00"
    },
    "points_count": {
        "vessel_a": 20,
        "vessel_b": 20
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 69m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 207 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 61m, avg 69m) for 207 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70993459999999686260707676410675048828125,
            "lon": 33.32269360000000091304173110984265804290771484375
        },
        "time_window": {
            "start_ts": "2026-09-22T13:00:20+00:00",
            "end_ts": "2026-09-22T16:27:15+00:00"
        },
        "searched_at": "2026-09-22T19:15:01.568382+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "radius_m": 7.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 387,
    "points": 39,
    "centroid": {
        "lat": 34.7097150000000027603164198808372020721435546875,
        "lon": 33.322974653846159753811662085354328155517578125
    },
    "bbox": {
        "min_lat": 34.7096700000000026875568437390029430389404296875,
        "min_lon": 33.3229366999999996323822415433824062347412109375,
        "max_lat": 34.7097600000000028330759960226714611053466796875,
        "max_lon": 33.323031700000001364969648420810699462890625
    },
    "zone_id": "discovered_039"
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 398.8999999999999772626324556767940521240234375,
    "points_in_zone": 40,
    "first_point": {
        "ts": "2026-09-22T12:30:19+00:00",
        "lat": 34.709738299999997934719431214034557342529296875,
        "lon": 33.32295500000000032514435588382184505462646484375
    },
    "last_point": {
        "ts": "2026-09-22T19:09:16+00:00",
        "lat": 34.7096700000000026875568437390029430389404296875,
        "lon": 33.3229850000000027421265258453786373138427734375
    }
}

{
    "radius_m": 5.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 398.8999999999999772626324556767940521240234375,
    "points": 40,
    "centroid": {
        "lat": 34.7097152875000034555341699160635471343994140625,
        "lon": 33.32297120250000688201907905749976634979248046875
    },
    "bbox": {
        "min_lat": 34.7096700000000026875568437390029430389404296875,
        "min_lon": 33.3229366999999996323822415433824062347412109375,
        "max_lat": 34.7097533000000026959241949953138828277587890625,
        "max_lon": 33.32300000000000039790393202565610408782958984375
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 60.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 69.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3.70000000000000017763568394002504646778106689453125,
    "duration_minutes": 258,
    "overlap_duration_s": 15479,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-22T12:09:16+00:00",
        "end": "2026-09-22T16:27:15+00:00"
    },
    "points_count": {
        "vessel_a": 25,
        "vessel_b": 25
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 69m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 258 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 61m, avg 69m) for 258 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70993279999999714391378802247345447540283203125,
            "lon": 33.32268940000000156942405737936496734619140625
        },
        "time_window": {
            "start_ts": "2026-09-22T12:09:16+00:00",
            "end_ts": "2026-09-22T16:27:15+00:00"
        },
        "searched_at": "2026-09-22T18:45:01.450952+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 60.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 69.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 303,
    "overlap_duration_s": 18179,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-22T11:24:16+00:00",
        "end": "2026-09-22T16:27:15+00:00"
    },
    "points_count": {
        "vessel_a": 29,
        "vessel_b": 29
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 303 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 61m, avg 70m) for 303 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 38,
    "first_point": {
        "ts": "2026-09-22T11:45:14+00:00",
        "lat": 34.70974170000000214031388168223202228546142578125,
        "lon": 33.3229783000000026049747248180210590362548828125
    },
    "last_point": {
        "ts": "2026-09-22T18:18:20+00:00",
        "lat": 34.70971670000000131039996631443500518798828125,
        "lon": 33.32297330000000101790647022426128387451171875
    }
}

{
    "radius_m": 4.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 38,
    "centroid": {
        "lat": 34.70971837368421830660736304707825183868408203125,
        "lon": 33.32296981578948447122456855140626430511474609375
    },
    "bbox": {
        "min_lat": 34.70967999999999875626599532552063465118408203125,
        "min_lon": 33.3229366999999996323822415433824062347412109375,
        "max_lat": 34.7097533000000026959241949953138828277587890625,
        "max_lon": 33.32300000000000039790393202565610408782958984375
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 68,
    "avg_distance_m": 71.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 144.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 8646,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T10:57:10+00:00",
        "end": "2026-09-22T13:21:16+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 144 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 68m, avg 71m) for 144 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 387.1000000000000227373675443232059478759765625,
    "points_in_zone": 36,
    "first_point": {
        "ts": "2026-09-22T10:54:14+00:00",
        "lat": 34.7097449999999980718712322413921356201171875,
        "lon": 33.32294999999999873807610129006206989288330078125
    },
    "last_point": {
        "ts": "2026-09-22T17:21:19+00:00",
        "lat": 34.70968500000000034333424991928040981292724609375,
        "lon": 33.32299330000000026075213099829852581024169921875
    }
}

{
    "radius_m": 4.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 387.1000000000000227373675443232059478759765625,
    "points": 36,
    "centroid": {
        "lat": 34.709719069444446404304471798241138458251953125,
        "lon": 33.32296855555556902572789113037288188934326171875
    },
    "bbox": {
        "min_lat": 34.70967999999999875626599532552063465118408203125,
        "min_lon": 33.3229366999999996323822415433824062347412109375,
        "max_lat": 34.7097533000000026959241949953138828277587890625,
        "max_lon": 33.32300000000000039790393202565610408782958984375
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 64.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 68.900000000000005684341886080801486968994140625,
    "distance_consistency_m": 2.5,
    "duration_minutes": 69,
    "overlap_duration_s": 4137,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-22T09:45:17+00:00",
        "end": "2026-09-22T10:54:14+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 69m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 69 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 65m, avg 69m) for 69 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70994069999999709352778154425323009490966796875,
            "lon": 33.32267610000000246373019763268530368804931640625
        },
        "time_window": {
            "start_ts": "2026-09-22T09:45:17+00:00",
            "end_ts": "2026-09-22T10:54:14+00:00"
        },
        "searched_at": "2026-09-22T11:45:01.944728+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 34,
    "first_point": {
        "ts": "2026-09-22T09:51:17+00:00",
        "lat": 34.7097600000000028330759960226714611053466796875,
        "lon": 33.3229299999999994952304405160248279571533203125
    },
    "last_point": {
        "ts": "2026-09-22T16:27:15+00:00",
        "lat": 34.7097016999999965491952025331556797027587890625,
        "lon": 33.32297330000000101790647022426128387451171875
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}

{
    "radius_m": 5.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 396,
    "points": 34,
    "centroid": {
        "lat": 34.709724114705892361598671413958072662353515625,
        "lon": 33.3229659235294093377888202667236328125
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    "bbox": {
        "min_lat": 34.70968500000000034333424991928040981292724609375,
        "min_lon": 33.3229299999999994952304405160248279571533203125,
        "max_lat": 34.7097600000000028330759960226714611053466796875,
        "max_lon": 33.32300000000000039790393202565610408782958984375
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 66.400000000000005684341886080801486968994140625,
    "avg_distance_m": 70.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 132,
    "overlap_duration_s": 7919,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T08:00:15+00:00",
        "end": "2026-09-22T10:12:14+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 132 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 66m, avg 71m) for 132 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 378,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-09-22T08:27:16+00:00",
        "lat": 34.70972499999999882902557146735489368438720703125,
        "lon": 33.32294329999999860092430026270449161529541015625
    },
    "last_point": {
        "ts": "2026-09-22T14:45:18+00:00",
        "lat": 34.7097217000000028974682209081947803497314453125,
        "lon": 33.3229682999999994308382156305015087127685546875
    }
}

{
    "radius_m": 5.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 378,
    "points": 27,
    "centroid": {
        "lat": 34.70972388888889526015191222541034221649169921875,
        "lon": 33.32296586296295259899125085212290287017822265625
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    "bbox": {
        "min_lat": 34.70969500000000351747075910679996013641357421875,
        "min_lon": 33.3229299999999994952304405160248279571533203125,
        "max_lat": 34.7097600000000028330759960226714611053466796875,
        "max_lon": 33.32300000000000039790393202565610408782958984375
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 66.400000000000005684341886080801486968994140625,
    "avg_distance_m": 71.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 168,
    "overlap_duration_s": 10079,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T07:24:15+00:00",
        "end": "2026-09-22T10:12:14+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 168 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 66m, avg 71m) for 168 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 28,
    "first_point": {
        "ts": "2026-09-22T07:54:18+00:00",
        "lat": 34.70974170000000214031388168223202228546142578125,
        "lon": 33.3229867000000012922100722789764404296875
    },
    "last_point": {
        "ts": "2026-09-22T14:24:20+00:00",
        "lat": 34.70971670000000131039996631443500518798828125,
        "lon": 33.32296000000000191221261047758162021636962890625
    }
}

{
    "radius_m": 5.20000000000000017763568394002504646778106689453125,
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    "points": 28,
    "centroid": {
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        "lon": 33.32296577857142239054155652411282062530517578125
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    "bbox": {
        "min_lat": 34.70969500000000351747075910679996013641357421875,
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        "max_lat": 34.7097600000000028330759960226714611053466796875,
        "max_lon": 33.32300000000000039790393202565610408782958984375
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "min_distance_m": 64.5,
    "avg_distance_m": 71,
    "distance_consistency_m": 3.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 180.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 10804,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-22T06:12:15+00:00",
        "end": "2026-09-22T09:12:19+00:00"
    },
    "points_count": {
        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 64m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 180 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and DIDIMON) maintained close proximity (min 64m, avg 71m) for 180 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-09-22T06:42:17+00:00",
        "lat": 34.70972669999999737910911790095269680023193359375,
        "lon": 33.32296170000000046229615691117942333221435546875
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    "last_point": {
        "ts": "2026-09-22T13:18:15+00:00",
        "lat": 34.7097083000000026231646188534796237945556640625,
        "lon": 33.32295669999999887522790231741964817047119140625
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}

{
    "radius_m": 10.4000000000000003552713678800500929355621337890625,
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    "points": 31,
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        "min_lat": 34.70969500000000351747075910679996013641357421875,
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        "max_lat": 34.70982169999999911169652477838099002838134765625,
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{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "min_distance_m": 67.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 69.5,
    "distance_consistency_m": 1.3000000000000000444089209850062616169452667236328125,
    "duration_minutes": 99,
    "overlap_duration_s": 5939,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-22T05:27:12+00:00",
        "end": "2026-09-22T07:06:11+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 70m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 99 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 68m, avg 70m) for 99 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7099386000000009744326234795153141021728515625,
            "lon": 33.32268429999999881374606047756969928741455078125
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        "time_window": {
            "start_ts": "2026-09-22T05:27:12+00:00",
            "end_ts": "2026-09-22T07:06:11+00:00"
        },
        "searched_at": "2026-09-22T12:00:08.979046+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 33,
    "first_point": {
        "ts": "2026-09-22T05:51:16+00:00",
        "lat": 34.7097432999999995217876858077943325042724609375,
        "lon": 33.32297330000000101790647022426128387451171875
    },
    "last_point": {
        "ts": "2026-09-22T12:21:15+00:00",
        "lat": 34.70973169999999896617737249471247196197509765625,
        "lon": 33.32296500000000349928086507134139537811279296875
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}

{
    "radius_m": 10.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 390,
    "points": 33,
    "centroid": {
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        "lon": 33.32296530606061679691265453584492206573486328125
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        "min_lat": 34.70969500000000351747075910679996013641357421875,
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636014337,
        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 57,
    "avg_distance_m": 69.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 4.70000000000000017763568394002504646778106689453125,
    "duration_minutes": 168.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 10085,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-22T04:18:06+00:00",
        "end": "2026-09-22T07:06:11+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 57m, avg 69m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 168 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 57m, avg 69m) for 168 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 31,
    "first_point": {
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        "lon": 33.3229467000000028065187507309019565582275390625
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    "last_point": {
        "ts": "2026-09-22T11:24:16+00:00",
        "lat": 34.7097217000000028974682209081947803497314453125,
        "lon": 33.32296670000000204936441150493919849395751953125
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}

{
    "radius_m": 9.800000000000000710542735760100185871124267578125,
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    "points": 31,
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{
    "vessel_a": {
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        "imo": 9288772,
        "name": "DIDIMON",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
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    "duration_minutes": 217,
    "overlap_duration_s": 13020,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-22T03:29:11+00:00",
        "end": "2026-09-22T07:06:11+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 57m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 217 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DIDIMON and ARDMORE ENTERPRISE) maintained close proximity (min 57m, avg 70m) for 217 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396.1000000000000227373675443232059478759765625,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-09-22T03:30:16+00:00",
        "lat": 34.70974170000000214031388168223202228546142578125,
        "lon": 33.3229333000000025322151486761868000030517578125
    },
    "last_point": {
        "ts": "2026-09-22T10:06:20+00:00",
        "lat": 34.709706699999998136263457126915454864501953125,
        "lon": 33.3229749999999995679900166578590869903564453125
    }
}

{
    "radius_m": 10.5,
    "duration_minutes": 396.1000000000000227373675443232059478759765625,
    "points": 39,
    "centroid": {
        "lat": 34.70972799999999125475369510240852832794189453125,
        "lon": 33.322969448717941531867836602032184600830078125
    },
    "bbox": {
        "min_lat": 34.7096767000000028247086447663605213165283203125,
        "min_lon": 33.32292499999999790816218592226505279541015625,
        "max_lat": 34.70982169999999911169652477838099002838134765625,
        "max_lon": 33.32303329999999874644345254637300968170166015625
    },
    "zone_id": "discovered_039"
}