PACIFIC ADVENTURE

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        "name": "PACIFIC ADVENTURE",
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        "components": {
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                "detail": "Min distance 313m, avg 315m"
            },
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                "detail": "Duration 66 minutes"
            },
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                "detail": "both nearly stationary; very stable speeds"
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                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
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        "summary": "Moderate-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ATLAS) maintained close proximity (min 313m, avg 315m) for 66 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
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        "ts": "2026-06-20T17:09:13+00:00",
        "lat": 34.70778829999999715028025093488395214080810546875,
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{
    "radius_m": 3.70000000000000017763568394002504646778106689453125,
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        "min_lat": 34.70775330000000025165718398056924343109130859375,
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{
    "zone_id": "discovered_035",
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    "dwell_minutes": 390,
    "points_in_zone": 52,
    "first_point": {
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{
    "radius_m": 3.70000000000000017763568394002504646778106689453125,
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{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 396,
    "points_in_zone": 51,
    "first_point": {
        "ts": "2026-06-20T08:51:10+00:00",
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{
    "radius_m": 3.70000000000000017763568394002504646778106689453125,
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    "points": 51,
    "centroid": {
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}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "min_distance_m": 60.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 64.900000000000005684341886080801486968994140625,
    "distance_consistency_m": 3.70000000000000017763568394002504646778106689453125,
    "duration_minutes": 39,
    "overlap_duration_s": 2339,
    "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": "2026-06-20T07:18:10+00:00",
        "end": "2026-06-20T07:57:09+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 65m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 39 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 61m, avg 65m) for 39 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70796419999999926631062407977879047393798828125,
            "lon": 33.320259800000002314845914952456951141357421875
        },
        "time_window": {
            "start_ts": "2026-06-20T07:18:10+00:00",
            "end_ts": "2026-06-20T07:57:09+00:00"
        },
        "searched_at": "2026-06-20T13:30:01.748615+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 311.3999999999999772626324556767940521240234375,
    "avg_distance_m": 315.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 3.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 57,
    "overlap_duration_s": 3420,
    "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
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    },
    "time_window": {
        "start": "2026-06-20T07:00:09+00:00",
        "end": "2026-06-20T07:57:09+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 311m, avg 316m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 57 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ATLAS) maintained close proximity (min 311m, avg 316m) for 57 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 390,
    "points_in_zone": 44,
    "first_point": {
        "ts": "2026-06-20T07:57:09+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.320549999999997226041159592568874359130859375
    },
    "last_point": {
        "ts": "2026-06-20T14:27:09+00:00",
        "lat": 34.70779830000000032441676012240350246429443359375,
        "lon": 33.3205583000000018500941223464906215667724609375
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{
    "radius_m": 3.70000000000000017763568394002504646778106689453125,
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{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 396.1000000000000227373675443232059478759765625,
    "points_in_zone": 44,
    "first_point": {
        "ts": "2026-06-20T06:21:08+00:00",
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    "last_point": {
        "ts": "2026-06-20T12:57:12+00:00",
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{
    "radius_m": 4,
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    "points": 44,
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{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "min_distance_m": 60.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 64.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
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    "overlap_duration_s": 6484,
    "speed_a_avg": 0,
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    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0
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        "vessel_b": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-06-20T06:09:05+00:00",
        "end": "2026-06-20T07:57:09+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 65m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 108 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 61m, avg 65m) for 108 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 60.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 65.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 168.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 10089,
    "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": "2026-06-20T05:09:00+00:00",
        "end": "2026-06-20T07:57:09+00:00"
    },
    "points_count": {
        "vessel_a": 17,
        "vessel_b": 17
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 65m"
            },
            "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 \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 61m, avg 65m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 396,
    "points_in_zone": 43,
    "first_point": {
        "ts": "2026-06-20T05:51:08+00:00",
        "lat": 34.7077699999999964575181365944445133209228515625,
        "lon": 33.320549999999997226041159592568874359130859375
    },
    "last_point": {
        "ts": "2026-06-20T12:27:08+00:00",
        "lat": 34.7077967000000029429429559968411922454833984375,
        "lon": 33.32056999999999646888682036660611629486083984375
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}

{
    "radius_m": 4.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 396,
    "points": 43,
    "centroid": {
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 59.5,
    "avg_distance_m": 64.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 216.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 12965,
    "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
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    },
    "time_window": {
        "start": "2026-06-20T04:21:04+00:00",
        "end": "2026-06-20T07:57:09+00:00"
    },
    "points_count": {
        "vessel_a": 21,
        "vessel_b": 21
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 60m, avg 65m"
            },
            "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 \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 60m, avg 65m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
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            "lat": 34.70794310000000137961251311935484409332275390625,
            "lon": 33.32026880000000090831235866062343120574951171875
        },
        "time_window": {
            "start_ts": "2026-06-20T04:04:59+00:00",
            "end_ts": "2026-06-20T07:57:09+00:00"
        },
        "searched_at": "2026-06-20T10:45:07.764878+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 311.3999999999999772626324556767940521240234375,
    "avg_distance_m": 315.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 2.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 227.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 13677,
    "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": "2026-06-20T04:04:10+00:00",
        "end": "2026-06-20T07:52:07+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 311m, avg 316m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 228 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ATLAS and PACIFIC ADVENTURE) maintained close proximity (min 311m, avg 316m) for 228 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.708952600000003485547495074570178985595703125,
            "lon": 33.32148860000000212266968446783721446990966796875
        },
        "time_window": {
            "start_ts": "2026-06-20T04:04:10+00:00",
            "end_ts": "2026-06-20T07:52:07+00:00"
        },
        "searched_at": "2026-06-20T10:45:01.720440+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 396.1000000000000227373675443232059478759765625,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-06-20T04:51:03+00:00",
        "lat": 34.70774000000000114596332423388957977294921875,
        "lon": 33.32054670000000129448380903340876102447509765625
    },
    "last_point": {
        "ts": "2026-06-20T11:27:07+00:00",
        "lat": 34.707778300000001081571099348366260528564453125,
        "lon": 33.32054169999999970741555443964898586273193359375
    }
}

{
    "radius_m": 4.5,
    "duration_minutes": 396.1000000000000227373675443232059478759765625,
    "points": 39,
    "centroid": {
        "lat": 34.70777567692307030711162951774895191192626953125,
        "lon": 33.32054671025640146808655117638409137725830078125
    },
    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.3205183000000033644028007984161376953125,
        "max_lat": 34.70780330000000191148501471616327762603759765625,
        "max_lon": 33.32058330000000268000803771428763866424560546875
    },
    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 59.5,
    "avg_distance_m": 64.599999999999994315658113919198513031005859375,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 240,
    "overlap_duration_s": 14402,
    "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": "2026-06-20T03:57:07+00:00",
        "end": "2026-06-20T07:57:09+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 60m, avg 65m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 240 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 60m, avg 65m) for 240 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 314,
    "avg_distance_m": 316,
    "distance_consistency_m": 1.6999999999999999555910790149937383830547332763671875,
    "duration_minutes": 119.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 7195,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-20T03:52:15+00:00",
        "end": "2026-06-20T05:52:10+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 314m, avg 316m"
            },
            "duration": {
                "score": 20,
                "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 \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ATLAS and PACIFIC ADVENTURE) maintained close proximity (min 314m, avg 316m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 383.8999999999999772626324556767940521240234375,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-06-20T03:57:07+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.32052829999999943311195238493382930755615234375
    },
    "last_point": {
        "ts": "2026-06-20T10:21:04+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.32052999999999798319549881853163242340087890625
    }
}

{
    "radius_m": 4.9000000000000003552713678800500929355621337890625,
    "duration_minutes": 383.8999999999999772626324556767940521240234375,
    "points": 35,
    "centroid": {
        "lat": 34.70777313714285128298797644674777984619140625,
        "lon": 33.3205435685714377314070588909089565277099609375
    },
    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.3205150000000003274180926382541656494140625,
        "max_lat": 34.70780330000000191148501471616327762603759765625,
        "max_lon": 33.32058330000000268000803771428763866424560546875
    },
    "zone_id": "discovered_035"
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 390,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-06-20T02:39:06+00:00",
        "lat": 34.70778829999999715028025093488395214080810546875,
        "lon": 33.3205583000000018500941223464906215667724609375
    },
    "last_point": {
        "ts": "2026-06-20T09:09:06+00:00",
        "lat": 34.707768299999997907434590160846710205078125,
        "lon": 33.3205583000000018500941223464906215667724609375
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 55.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 60.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 4.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 71.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 4315,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-20T02:03:09+00:00",
        "end": "2026-06-20T03:15:04+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 55m, avg 61m"
            },
            "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 \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 55m, avg 61m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "radius_m": 3.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 390,
    "points": 31,
    "centroid": {
        "lat": 34.707770158064505494621698744595050811767578125,
        "lon": 33.32054306129031573391330312006175518035888671875
    },
    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.3205150000000003274180926382541656494140625,
        "max_lat": 34.70778829999999715028025093488395214080810546875,
        "max_lon": 33.32056829999999791880327393300831317901611328125
    },
    "zone_id": "discovered_035"
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 69,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-06-20T00:32:21+00:00",
        "lat": 34.70774000000000114596332423388957977294921875,
        "lon": 33.32052829999999943311195238493382930755615234375
    },
    "last_point": {
        "ts": "2026-06-20T01:41:19+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.32053169999999653327904525212943553924560546875
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 126,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-06-19T23:35:18+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.32054500000000274440026259981095790863037109375
    },
    "last_point": {
        "ts": "2026-06-20T01:41:19+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.32053169999999653327904525212943553924560546875
    }
}

{
    "vessel_a": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 314,
    "avg_distance_m": 316.3999999999999772626324556767940521240234375,
    "distance_consistency_m": 1.6999999999999999555910790149937383830547332763671875,
    "duration_minutes": 294,
    "overlap_duration_s": 17639,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-19T23:34:11+00:00",
        "end": "2026-06-20T04:28:10+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 314m, avg 316m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 294 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ATLAS and PACIFIC ADVENTURE) maintained close proximity (min 314m, avg 316m) for 294 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 317.6000000000000227373675443232059478759765625,
    "avg_distance_m": 319.3999999999999772626324556767940521240234375,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 72,
    "overlap_duration_s": 4320,
    "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": "2026-06-19T22:23:18+00:00",
        "end": "2026-06-19T23:35:18+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 318m, avg 319m"
            },
            "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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ATLAS) maintained close proximity (min 318m, avg 319m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7089725000000015597834135405719280242919921875,
            "lon": 33.3214971000000019785147742368280887603759765625
        },
        "time_window": {
            "start_ts": "2026-06-19T22:23:18+00:00",
            "end_ts": "2026-06-19T23:35:18+00:00"
        },
        "searched_at": "2026-06-20T04:15:02.019120+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 63,
    "avg_distance_m": 65.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 198,
    "overlap_duration_s": 11881,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-19T22:23:18+00:00",
        "end": "2026-06-20T01:41:19+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 63m, avg 66m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 198 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 63m, avg 66m) for 198 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7079427999999978737832861952483654022216796875,
            "lon": 33.32026950000000198315319721587002277374267578125
        },
        "time_window": {
            "start_ts": "2026-06-19T22:23:18+00:00",
            "end_ts": "2026-06-20T01:41:19+00:00"
        },
        "searched_at": "2026-06-20T04:45:01.738716+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 198,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-06-19T22:23:18+00:00",
        "lat": 34.70776000000000038880898500792682170867919921875,
        "lon": 33.32053830000000260724846157245337963104248046875
    },
    "last_point": {
        "ts": "2026-06-20T01:41:19+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.32053169999999653327904525212943553924560546875
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 62.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 64.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 246,
    "overlap_duration_s": 14758,
    "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": "2026-06-19T21:35:21+00:00",
        "end": "2026-06-20T01:41:19+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 63m, avg 65m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 246 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 63m, avg 65m) for 246 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 309.30000000000001136868377216160297393798828125,
    "avg_distance_m": 311.19999999999998863131622783839702606201171875,
    "distance_consistency_m": 2,
    "duration_minutes": 30,
    "overlap_duration_s": 1801,
    "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": "2026-06-19T21:05:20+00:00",
        "end": "2026-06-19T21:35:21+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 60,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 309m, avg 311m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ATLAS) maintained close proximity (min 309m, avg 311m) for 30 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7089519999999964738890412263572216033935546875,
            "lon": 33.32149369999999777292032376863062381744384765625
        },
        "time_window": {
            "start_ts": "2026-06-19T21:05:20+00:00",
            "end_ts": "2026-06-19T21:35:21+00:00"
        },
        "searched_at": "2026-06-20T03:30:01.658084+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 276,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-06-19T21:05:20+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.3205616999999989502612152136862277984619140625
    },
    "last_point": {
        "ts": "2026-06-20T01:41:19+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.32053169999999653327904525212943553924560546875
    }
}

{
    "radius_m": 5.70000000000000017763568394002504646778106689453125,
    "duration_minutes": 276,
    "points": 13,
    "centroid": {
        "lat": 34.7077721846153934848189237527549266815185546875,
        "lon": 33.32055153846153672247965005226433277130126953125
    },
    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.32052829999999943311195238493382930755615234375,
        "max_lat": 34.70779329999999873734850552864372730255126953125,
        "max_lon": 33.320611700000000610089045949280261993408203125
    },
    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 60.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 63,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 114,
    "overlap_duration_s": 6843,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-19T20:04:23+00:00",
        "end": "2026-06-19T21:58:26+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 63m"
            },
            "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 \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and PACIFIC ADVENTURE) maintained close proximity (min 61m, avg 63m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.707948299999998198472894728183746337890625,
            "lon": 33.32027029999999712117642047815024852752685546875
        },
        "time_window": {
            "start_ts": "2026-06-19T20:04:23+00:00",
            "end_ts": "2026-06-19T21:58:26+00:00"
        },
        "searched_at": "2026-06-20T02:45:07.477984+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 309.30000000000001136868377216160297393798828125,
    "avg_distance_m": 311,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 45,
    "overlap_duration_s": 2702,
    "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": "2026-06-19T20:50:19+00:00",
        "end": "2026-06-19T21:35:21+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 309m, avg 311m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 45 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ATLAS) maintained close proximity (min 309m, avg 311m) for 45 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 339,
    "points_in_zone": 21,
    "first_point": {
        "ts": "2026-06-19T20:02:18+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.32053330000000102018020697869360446929931640625
    },
    "last_point": {
        "ts": "2026-06-20T01:41:19+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.32053169999999653327904525212943553924560546875
    }
}

{
    "radius_m": 6.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 339,
    "points": 21,
    "centroid": {
        "lat": 34.70777698571428260265747667290270328521728515625,
        "lon": 33.32054793333333009286434389650821685791015625
    },
    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.32052829999999943311195238493382930755615234375,
        "max_lat": 34.70779999999999887450030655600130558013916015625,
        "max_lon": 33.320611700000000610089045949280261993408203125
    },
    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311000134,
        "imo": 9538177,
        "name": "ATLAS",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 310.19999999999998863131622783839702606201171875,
    "avg_distance_m": 315.6000000000000227373675443232059478759765625,
    "distance_consistency_m": 8.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 98,
    "overlap_duration_s": 5883,
    "speed_a_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_a_std": 0.1600000000000000033306690738754696212708950042724609375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.5
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-19T19:53:09+00:00",
        "end": "2026-06-19T21:31:12+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 310m, avg 316m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 98 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b18m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ATLAS and PACIFIC ADVENTURE) maintained close proximity (min 310m, avg 316m) for 98 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 60.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 62.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 159,
    "overlap_duration_s": 9539,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-19T19:19:27+00:00",
        "end": "2026-06-19T21:58:26+00:00"
    },
    "points_count": {
        "vessel_a": 17,
        "vessel_b": 17
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 63m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 159 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and PACIFIC ADVENTURE) maintained close proximity (min 61m, avg 63m) for 159 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70794910000000044192347559146583080291748046875,
            "lon": 33.3202701000000018893842934630811214447021484375
        },
        "time_window": {
            "start_ts": "2026-06-19T19:19:27+00:00",
            "end_ts": "2026-06-19T21:58:26+00:00"
        },
        "searched_at": "2026-06-20T01:45:11.241548+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 390,
    "points_in_zone": 24,
    "first_point": {
        "ts": "2026-06-19T19:11:17+00:00",
        "lat": 34.70776670000000052596078603528439998626708984375,
        "lon": 33.32052829999999943311195238493382930755615234375
    },
    "last_point": {
        "ts": "2026-06-20T01:41:19+00:00",
        "lat": 34.70776330000000342579369316808879375457763671875,
        "lon": 33.32053169999999653327904525212943553924560546875
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}

{
    "radius_m": 6.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 390,
    "points": 24,
    "centroid": {
        "lat": 34.70777680833332823340242612175643444061279296875,
        "lon": 33.32054666249999996807673596777021884918212890625
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    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.32052829999999943311195238493382930755615234375,
        "max_lat": 34.70779999999999887450030655600130558013916015625,
        "max_lon": 33.320611700000000610089045949280261993408203125
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 60.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 63.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 1.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 220.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 13207,
    "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": "2026-06-19T18:18:19+00:00",
        "end": "2026-06-19T21:58:26+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 61m, avg 63m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 220 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and PACIFIC ADVENTURE) maintained close proximity (min 61m, avg 63m) for 220 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70795050000000259160515270195901393890380859375,
            "lon": 33.3202686999999997397026163525879383087158203125
        },
        "time_window": {
            "start_ts": "2026-06-19T18:18:19+00:00",
            "end_ts": "2026-06-19T21:58:26+00:00"
        },
        "searched_at": "2026-06-20T00:45:01.218318+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-06-19T18:14:16+00:00",
        "lat": 34.7077833000000026686393539421260356903076171875,
        "lon": 33.32054000000000115733200800605118274688720703125
    },
    "last_point": {
        "ts": "2026-06-20T00:47:23+00:00",
        "lat": 34.70775830000000183872543857432901859283447265625,
        "lon": 33.320611700000000610089045949280261993408203125
    }
}

{
    "radius_m": 6.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 29,
    "centroid": {
        "lat": 34.7077790827586198929566307924687862396240234375,
        "lon": 33.32054810000000344416548614390194416046142578125
    },
    "bbox": {
        "min_lat": 34.70774000000000114596332423388957977294921875,
        "min_lon": 33.32052829999999943311195238493382930755615234375,
        "max_lat": 34.70780330000000191148501471616327762603759765625,
        "max_lon": 33.320611700000000610089045949280261993408203125
    },
    "zone_id": "discovered_035"
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 362.8999999999999772626324556767940521240234375,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-06-19T17:32:24+00:00",
        "lat": 34.7077699999999964575181365944445133209228515625,
        "lon": 33.320553300000000263025867752730846405029296875
    },
    "last_point": {
        "ts": "2026-06-19T23:35:18+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.32054500000000274440026259981095790863037109375
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}

{
    "radius_m": 4.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 362.8999999999999772626324556767940521240234375,
    "points": 30,
    "centroid": {
        "lat": 34.70778000333333324078921577893197536468505859375,
        "lon": 33.32054716333333743705225060693919658660888671875
    },
    "bbox": {
        "min_lat": 34.70776000000000038880898500792682170867919921875,
        "min_lon": 33.32052829999999943311195238493382930755615234375,
        "max_lat": 34.70780330000000191148501471616327762603759765625,
        "max_lon": 33.32058169999999819310687598772346973419189453125
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 60.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 63.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 1.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 274.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 16449,
    "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
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        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-19T17:24:17+00:00",
        "end": "2026-06-19T21:58:26+00:00"
    },
    "points_count": {
        "vessel_a": 29,
        "vessel_b": 29
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 60m, avg 63m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 274 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and PACIFIC ADVENTURE) maintained close proximity (min 60m, avg 63m) for 274 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 60.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 63.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 1.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 300,
    "overlap_duration_s": 17999,
    "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
        }
    },
    "time_window": {
        "start": "2026-06-19T16:05:21+00:00",
        "end": "2026-06-19T21:05:20+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 60m, avg 64m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 300 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 60m, avg 64m) for 300 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70795030000000025438566808588802814483642578125,
            "lon": 33.32026690000000002100932761095464229583740234375
        },
        "time_window": {
            "start_ts": "2026-06-19T16:05:21+00:00",
            "end_ts": "2026-06-19T21:05:20+00:00"
        },
        "searched_at": "2026-06-19T22:45:04.680361+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 377.8999999999999772626324556767940521240234375,
    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-06-19T16:05:21+00:00",
        "lat": 34.70779830000000032441676012240350246429443359375,
        "lon": 33.32057830000000109293978312052786350250244140625
    },
    "last_point": {
        "ts": "2026-06-19T22:23:18+00:00",
        "lat": 34.70776000000000038880898500792682170867919921875,
        "lon": 33.32053830000000260724846157245337963104248046875
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}

{
    "radius_m": 4,
    "duration_minutes": 377.8999999999999772626324556767940521240234375,
    "points": 32,
    "centroid": {
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        "min_lat": 34.70776000000000038880898500792682170867919921875,
        "min_lon": 33.32052829999999943311195238493382930755615234375,
        "max_lat": 34.70780330000000191148501471616327762603759765625,
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 59.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 63.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 348,
    "overlap_duration_s": 20879,
    "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": "2026-06-19T15:17:21+00:00",
        "end": "2026-06-19T21:05:20+00:00"
    },
    "points_count": {
        "vessel_a": 28,
        "vessel_b": 28
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 59m, avg 63m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 348 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 59m, avg 63m) for 348 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 393,
    "points_in_zone": 33,
    "first_point": {
        "ts": "2026-06-19T15:50:17+00:00",
        "lat": 34.70779329999999873734850552864372730255126953125,
        "lon": 33.32054000000000115733200800605118274688720703125
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    "last_point": {
        "ts": "2026-06-19T22:23:18+00:00",
        "lat": 34.70776000000000038880898500792682170867919921875,
        "lon": 33.32053830000000260724846157245337963104248046875
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}

{
    "radius_m": 4,
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    "points": 33,
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{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-19T14:32:16+00:00",
        "end": "2026-06-19T20:35:19+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 58m, avg 63m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 363 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 58m, avg 63m) for 363 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-06-19T14:32:16+00:00",
        "lat": 34.70779830000000032441676012240350246429443359375,
        "lon": 33.32055669999999736319296061992645263671875
    },
    "last_point": {
        "ts": "2026-06-19T21:05:20+00:00",
        "lat": 34.7077766999999965946699376218020915985107421875,
        "lon": 33.3205616999999989502612152136862277984619140625
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}

{
    "radius_m": 3.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 31,
    "centroid": {
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        "min_lat": 34.70776670000000052596078603528439998626708984375,
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        "max_lon": 33.32058169999999819310687598772346973419189453125
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 58,
    "avg_distance_m": 63.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 2.5,
    "duration_minutes": 369.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 22148,
    "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": "2026-06-19T13:56:11+00:00",
        "end": "2026-06-19T20:05:19+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 58m, avg 63m"
            },
            "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 \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 58m, avg 63m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 398.8999999999999772626324556767940521240234375,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-06-19T13:50:20+00:00",
        "lat": 34.7078249999999997044142219237983226776123046875,
        "lon": 33.3205549999999988131094141863286495208740234375
    },
    "last_point": {
        "ts": "2026-06-19T20:29:17+00:00",
        "lat": 34.70779329999999873734850552864372730255126953125,
        "lon": 33.32054169999999970741555443964898586273193359375
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}

{
    "radius_m": 4.4000000000000003552713678800500929355621337890625,
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        "min_lat": 34.70776670000000052596078603528439998626708984375,
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        "max_lon": 33.32058169999999819310687598772346973419189453125
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 58,
    "avg_distance_m": 63,
    "distance_consistency_m": 2.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 372,
    "overlap_duration_s": 22321,
    "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": "2026-06-19T12:59:16+00:00",
        "end": "2026-06-19T19:11:17+00:00"
    },
    "points_count": {
        "vessel_a": 31,
        "vessel_b": 31
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 58m, avg 63m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 372 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 58m, avg 63m) for 372 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 384,
    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-06-19T12:47:18+00:00",
        "lat": 34.70780669999999901165210758335888385772705078125,
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    "last_point": {
        "ts": "2026-06-19T19:11:17+00:00",
        "lat": 34.70776670000000052596078603528439998626708984375,
        "lon": 33.32052829999999943311195238493382930755615234375
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}

{
    "radius_m": 4.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 384,
    "points": 32,
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        "lon": 33.32055067812500936952346819452941417694091796875
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        "min_lat": 34.70776670000000052596078603528439998626708984375,
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{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-06-19T11:41:22+00:00",
        "lat": 34.7078417000000030157025321386754512786865234375,
        "lon": 33.3205549999999988131094141863286495208740234375
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    "last_point": {
        "ts": "2026-06-19T18:17:15+00:00",
        "lat": 34.70778169999999818173819221556186676025390625,
        "lon": 33.32053669999999812034729984588921070098876953125
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}

{
    "radius_m": 5.0999999999999996447286321199499070644378662109375,
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    "points": 31,
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        "lon": 33.32055199032259196201266604475677013397216796875
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    "bbox": {
        "min_lat": 34.70776670000000052596078603528439998626708984375,
        "min_lon": 33.32052999999999798319549881853163242340087890625,
        "max_lat": 34.7078417000000030157025321386754512786865234375,
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    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 58,
    "avg_distance_m": 62.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 389.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 23395,
    "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": "2026-06-19T11:47:20+00:00",
        "end": "2026-06-19T18:17:15+00:00"
    },
    "points_count": {
        "vessel_a": 29,
        "vessel_b": 29
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 58m, avg 62m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 390 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 58m, avg 62m) for 390 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 389.8999999999999772626324556767940521240234375,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-06-19T10:17:19+00:00",
        "lat": 34.707774999999998044586391188204288482666015625,
        "lon": 33.3205482999999986759576131589710712432861328125
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    "last_point": {
        "ts": "2026-06-19T16:47:16+00:00",
        "lat": 34.7077833000000026686393539421260356903076171875,
        "lon": 33.32054169999999970741555443964898586273193359375
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}

{
    "radius_m": 4.9000000000000003552713678800500929355621337890625,
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}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 53.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 61.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 369,
    "overlap_duration_s": 22138,
    "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": "2026-06-19T10:38:18+00:00",
        "end": "2026-06-19T16:47:16+00:00"
    },
    "points_count": {
        "vessel_a": 35,
        "vessel_b": 35
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 61m"
            },
            "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 \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 54m, avg 61m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 53.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 61.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 384,
    "overlap_duration_s": 23042,
    "speed_a_avg": 0,
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    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-06-19T09:41:19+00:00",
        "end": "2026-06-19T16:05:21+00:00"
    },
    "points_count": {
        "vessel_a": 36,
        "vessel_b": 36
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 61m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 384 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: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PACIFIC ADVENTURE and ARDMORE ENTERPRISE) maintained close proximity (min 54m, avg 61m) for 384 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 390,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-06-19T09:35:22+00:00",
        "lat": 34.707791700000001355874701403081417083740234375,
        "lon": 33.32054329999999708888935856521129608154296875
    },
    "last_point": {
        "ts": "2026-06-19T16:05:21+00:00",
        "lat": 34.70779830000000032441676012240350246429443359375,
        "lon": 33.32057830000000109293978312052786350250244140625
    }
}

{
    "radius_m": 4.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 390,
    "points": 37,
    "centroid": {
        "lat": 34.7077981486486493167831213213503360748291015625,
        "lon": 33.3205514378378353512744070030748844146728515625
    },
    "bbox": {
        "min_lat": 34.707774999999998044586391188204288482666015625,
        "min_lon": 33.32052999999999798319549881853163242340087890625,
        "max_lat": 34.7078417000000030157025321386754512786865234375,
        "max_lon": 33.32057830000000109293978312052786350250244140625
    },
    "zone_id": "discovered_035"
}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 311001780,
        "imo": 9326938,
        "name": "PACIFIC ADVENTURE",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 57.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 61.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2,
    "duration_minutes": 99,
    "overlap_duration_s": 5940,
    "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": "2026-06-19T08:06:15+00:00",
        "end": "2026-06-19T09:45:15+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 58m, avg 62m"
            },
            "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 \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Southern Black Sea Sanctioned Vessel Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and PACIFIC ADVENTURE) maintained close proximity (min 58m, avg 62m) 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 Southern Black Sea Sanctioned Vessel Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.707945899999998573548509739339351654052734375,
            "lon": 33.3202744000000024016117095015943050384521484375
        },
        "time_window": {
            "start_ts": "2026-06-19T08:02:16+00:00",
            "end_ts": "2026-06-19T09:45:15+00:00"
        },
        "searched_at": "2026-06-19T14:45:01.528092+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 398.8999999999999772626324556767940521240234375,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-06-19T08:50:16+00:00",
        "lat": 34.70780169999999742458385298959910869598388671875,
        "lon": 33.32056829999999791880327393300831317901611328125
    },
    "last_point": {
        "ts": "2026-06-19T15:29:12+00:00",
        "lat": 34.70778500000000121872290037572383880615234375,
        "lon": 33.32053669999999812034729984588921070098876953125
    }
}