ROSE I

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 53.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 57.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 59.89999999999999857891452847979962825775146484375,
    "overlap_duration_s": 3596,
    "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": "2026-10-28T07:36:38+00:00",
        "end": "2026-10-28T08:36:34+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 58m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 60 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 54m, avg 58m) for 60 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 53.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 57,
    "distance_consistency_m": 1.8000000000000000444089209850062616169452667236328125,
    "duration_minutes": 192,
    "overlap_duration_s": 11522,
    "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": "2026-10-28T05:30:22+00:00",
        "end": "2026-10-28T08:42:24+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 57m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 192 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZONDAR and ROSE I) maintained close proximity (min 54m, avg 57m) for 192 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 538005173,
        "imo": 9686716,
        "name": "STI DAMA",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 312.80000000000001136868377216160297393798828125,
    "avg_distance_m": 316.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 4,
    "duration_minutes": 150,
    "overlap_duration_s": 8998,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-10-28T04:56:11+00:00",
        "end": "2026-10-28T07:26:09+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 313m, avg 317m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 150 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (STI DAMA and ROSE I) maintained close proximity (min 313m, avg 317m) for 150 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 372,
    "points_in_zone": 21,
    "first_point": {
        "ts": "2026-10-28T04:06:32+00:00",
        "lat": 34.70810999999999779674908495508134365081787109375,
        "lon": 33.320030000000002701199264265596866607666015625
    },
    "last_point": {
        "ts": "2026-10-28T10:18:30+00:00",
        "lat": 34.7080782999999968296833685599267482757568359375,
        "lon": 33.3200250000000011141310096718370914459228515625
    }
}

{
    "radius_m": 7.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 372,
    "points": 21,
    "centroid": {
        "lat": 34.70808254761904976248843013308942317962646484375,
        "lon": 33.32001428095238537707700743339955806732177734375
    },
    "bbox": {
        "min_lat": 34.70804170000000254958649748004972934722900390625,
        "min_lon": 33.31996670000000193567757378332316875457763671875,
        "max_lat": 34.7081366999999971767465467564761638641357421875,
        "max_lon": 33.32008669999999739275153842754662036895751953125
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 55.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 57.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 246.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 14769,
    "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": "2026-10-28T03:00:28+00:00",
        "end": "2026-10-28T07:06:37+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 55m, avg 58m"
            },
            "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: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 55m, avg 58m) 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 Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 22,
    "first_point": {
        "ts": "2026-10-28T03:42:34+00:00",
        "lat": 34.708093300000001590888132341206073760986328125,
        "lon": 33.32000000000000028421709430404007434844970703125
    },
    "last_point": {
        "ts": "2026-10-28T10:18:30+00:00",
        "lat": 34.7080782999999968296833685599267482757568359375,
        "lon": 33.3200250000000011141310096718370914459228515625
    }
}

{
    "radius_m": 7.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 395.8999999999999772626324556767940521240234375,
    "points": 22,
    "centroid": {
        "lat": 34.70808303636363945088305626995861530303955078125,
        "lon": 33.3200136318181847627784009091556072235107421875
    },
    "bbox": {
        "min_lat": 34.70804170000000254958649748004972934722900390625,
        "min_lon": 33.31996670000000193567757378332316875457763671875,
        "max_lat": 34.7081366999999971767465467564761638641357421875,
        "max_lon": 33.32008669999999739275153842754662036895751953125
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 55.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 57.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 282.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 16928,
    "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": "2026-10-28T02:24:29+00:00",
        "end": "2026-10-28T07:06:37+00:00"
    },
    "points_count": {
        "vessel_a": 14,
        "vessel_b": 14
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 55m, avg 58m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 282 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 55m, avg 58m) for 282 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7079288999999988618583302013576030731201171875,
            "lon": 33.32026479999999679648681194521486759185791015625
        },
        "time_window": {
            "start_ts": "2026-10-28T02:24:29+00:00",
            "end_ts": "2026-10-28T07:06:37+00:00"
        },
        "searched_at": "2026-10-28T08:30:01.592638+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 372.1000000000000227373675443232059478759765625,
    "points_in_zone": 21,
    "first_point": {
        "ts": "2026-10-28T02:24:29+00:00",
        "lat": 34.70807169999999786114130984060466289520263671875,
        "lon": 33.31998329999999697292878408916294574737548828125
    },
    "last_point": {
        "ts": "2026-10-28T08:36:34+00:00",
        "lat": 34.70807669999999944820956443436443805694580078125,
        "lon": 33.32000330000000332120180246420204639434814453125
    }
}

{
    "radius_m": 7.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 372.1000000000000227373675443232059478759765625,
    "points": 21,
    "centroid": {
        "lat": 34.70808270952380780727253295481204986572265625,
        "lon": 33.32001507142857832377558224834501743316650390625
    },
    "bbox": {
        "min_lat": 34.70804170000000254958649748004972934722900390625,
        "min_lon": 33.31998329999999697292878408916294574737548828125,
        "max_lat": 34.7081366999999971767465467564761638641357421875,
        "max_lon": 33.32008669999999739275153842754662036895751953125
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 55.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 58.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 2.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 330.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 19808,
    "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": "2026-10-28T01:36:29+00:00",
        "end": "2026-10-28T07:06:37+00:00"
    },
    "points_count": {
        "vessel_a": 16,
        "vessel_b": 16
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 55m, avg 58m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 330 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 55m, avg 58m) for 330 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 392.8999999999999772626324556767940521240234375,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-10-28T01:42:31+00:00",
        "lat": 34.70814169999999876381480135023593902587890625,
        "lon": 33.31999170000000276559148915112018585205078125
    },
    "last_point": {
        "ts": "2026-10-28T08:15:28+00:00",
        "lat": 34.70808670000000262234607362188398838043212890625,
        "lon": 33.320013299999999389910954050719738006591796875
    }
}

{
    "radius_m": 7.5999999999999996447286321199499070644378662109375,
    "duration_minutes": 392.8999999999999772626324556767940521240234375,
    "points": 19,
    "centroid": {
        "lat": 34.7080877315789422254965757019817829132080078125,
        "lon": 33.320014031578949698086944408714771270751953125
    },
    "bbox": {
        "min_lat": 34.70804170000000254958649748004972934722900390625,
        "min_lon": 33.31998329999999697292878408916294574737548828125,
        "max_lat": 34.70814169999999876381480135023593902587890625,
        "max_lon": 33.32008669999999739275153842754662036895751953125
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 55.5,
    "avg_distance_m": 58.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 2,
    "duration_minutes": 351,
    "overlap_duration_s": 21062,
    "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": "2026-10-28T00:42:30+00:00",
        "end": "2026-10-28T06:33:32+00:00"
    },
    "points_count": {
        "vessel_a": 16,
        "vessel_b": 16
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 56m, avg 59m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 351 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 56m, avg 59m) for 351 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 384.1000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-10-28T00:42:30+00:00",
        "lat": 34.7081017000000002781234798021614551544189453125,
        "lon": 33.3200082999999978028426994569599628448486328125
    },
    "last_point": {
        "ts": "2026-10-28T07:06:37+00:00",
        "lat": 34.70808170000000103527781902812421321868896484375,
        "lon": 33.3200082999999978028426994569599628448486328125
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}

{
    "radius_m": 6.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 384.1000000000000227373675443232059478759765625,
    "points": 20,
    "centroid": {
        "lat": 34.708087425000002212982508353888988494873046875,
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    "bbox": {
        "min_lat": 34.70804170000000254958649748004972934722900390625,
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{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 384.1000000000000227373675443232059478759765625,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-10-27T22:33:26+00:00",
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        "lon": 33.32003329999999863275661482475697994232177734375
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        "lat": 34.7081366999999971767465467564761638641357421875,
        "lon": 33.32000330000000332120180246420204639434814453125
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}

{
    "radius_m": 5,
    "duration_minutes": 384.1000000000000227373675443232059478759765625,
    "points": 13,
    "centroid": {
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        "lon": 33.320011392307691266978508792817592620849609375
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    "bbox": {
        "min_lat": 34.70807169999999786114130984060466289520263671875,
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        "max_lat": 34.70814169999999876381480135023593902587890625,
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{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 378,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-10-27T20:06:27+00:00",
        "lat": 34.708106700000001865191734395921230316162109375,
        "lon": 33.32004500000000035697667044587433338165283203125
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        "ts": "2026-10-28T02:24:29+00:00",
        "lat": 34.70807169999999786114130984060466289520263671875,
        "lon": 33.31998329999999697292878408916294574737548828125
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{
    "radius_m": 5.0999999999999996447286321199499070644378662109375,
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    "points": 10,
    "centroid": {
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{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 384.1000000000000227373675443232059478759765625,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-10-27T17:57:26+00:00",
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        "lon": 33.32000330000000332120180246420204639434814453125
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        "ts": "2026-10-28T00:21:30+00:00",
        "lat": 34.70807669999999944820956443436443805694580078125,
        "lon": 33.32002829999999704568836023099720478057861328125
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}

{
    "vessel_a": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 54.10000000000000142108547152020037174224853515625,
    "avg_distance_m": 56.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 54,
    "overlap_duration_s": 3241,
    "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": "2026-10-27T17:03:24+00:00",
        "end": "2026-10-27T17:57:25+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 57m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 54 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZONDAR and ROSE I) maintained close proximity (min 54m, avg 57m) for 54 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70793689999999998008206603117287158966064453125,
            "lon": 33.3202684999999974024831317365169525146484375
        },
        "time_window": {
            "start_ts": "2026-10-27T17:03:24+00:00",
            "end_ts": "2026-10-27T17:57:25+00:00"
        },
        "searched_at": "2026-10-27T18:15:01.572896+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 54.10000000000000142108547152020037174224853515625,
    "avg_distance_m": 57.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2.5,
    "duration_minutes": 75,
    "overlap_duration_s": 4499,
    "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": "2026-10-27T16:42:27+00:00",
        "end": "2026-10-27T17:57:26+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 57m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 75 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 54m, avg 57m) for 75 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7079394000000007736161933280527591705322265625,
            "lon": 33.32027500000000230784280574880540370941162109375
        },
        "time_window": {
            "start_ts": "2026-10-27T16:42:27+00:00",
            "end_ts": "2026-10-27T17:57:26+00:00"
        },
        "searched_at": "2026-10-27T18:30:01.427232+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 351,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-10-27T16:42:27+00:00",
        "lat": 34.70810999999999779674908495508134365081787109375,
        "lon": 33.32003670000000283835106529295444488525390625
    },
    "last_point": {
        "ts": "2026-10-27T22:33:26+00:00",
        "lat": 34.70811330000000083373379311524331569671630859375,
        "lon": 33.32003329999999863275661482475697994232177734375
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}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 288.1000000000000227373675443232059478759765625,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-10-27T15:18:22+00:00",
        "lat": 34.70812670000000110803739516995847225189208984375,
        "lon": 33.3200633000000010497387847863137722015380859375
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    "last_point": {
        "ts": "2026-10-27T20:06:27+00:00",
        "lat": 34.708106700000001865191734395921230316162109375,
        "lon": 33.32004500000000035697667044587433338165283203125
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}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 312,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-10-27T14:54:27+00:00",
        "lat": 34.7081433000000032507159630768001079559326171875,
        "lon": 33.32003830000000021982486941851675510406494140625
    },
    "last_point": {
        "ts": "2026-10-27T20:06:27+00:00",
        "lat": 34.708106700000001865191734395921230316162109375,
        "lon": 33.32004500000000035697667044587433338165283203125
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}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 57,
    "avg_distance_m": 58.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 1,
    "duration_minutes": 141,
    "overlap_duration_s": 8459,
    "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": "2026-10-27T12:57:23+00:00",
        "end": "2026-10-27T15:18:22+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 57m, avg 58m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 141 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 57m, avg 58m) for 141 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636019212,
        "imo": 9800790,
        "name": "HISTRIA ATLAS",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
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    "min_distance_m": 307.30000000000001136868377216160297393798828125,
    "avg_distance_m": 308.8999999999999772626324556767940521240234375,
    "distance_consistency_m": 2.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 54,
    "overlap_duration_s": 3239,
    "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": "2026-10-27T12:06:12+00:00",
        "end": "2026-10-27T13:00:11+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 307m, avg 309m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 54 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (HISTRIA ATLAS and ROSE I) maintained close proximity (min 307m, avg 309m) for 54 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 351,
    "points_in_zone": 11,
    "first_point": {
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        "lon": 33.32000330000000332120180246420204639434814453125
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}

{
    "radius_m": 7,
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{
    "zone_id": "discovered_039",
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    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-10-27T11:36:29+00:00",
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{
    "radius_m": 7,
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{
    "zone_id": "discovered_039",
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    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-10-27T09:36:34+00:00",
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{
    "radius_m": 4.79999999999999982236431605997495353221893310546875,
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    "points": 10,
    "centroid": {
        "lat": 34.70810415999999776204276713542640209197998046875,
        "lon": 33.320048839999998335770214907824993133544921875
    },
    "bbox": {
        "min_lat": 34.70808000000000248519427259452641010284423828125,
        "min_lon": 33.31999669999999724723238614387810230255126953125,
        "max_lat": 34.7081433000000032507159630768001079559326171875,
        "max_lon": 33.32008830000000187965270015411078929901123046875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 53.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 56,
    "distance_consistency_m": 2.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 119.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 7195,
    "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": "2026-10-27T09:36:34+00:00",
        "end": "2026-10-27T11:36:29+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 56m"
            },
            "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 \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 54m, avg 56m) for 120 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "min_distance_m": 54.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 55.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 47.89999999999999857891452847979962825775146484375,
    "overlap_duration_s": 2875,
    "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": "2026-10-27T08:54:27+00:00",
        "end": "2026-10-27T09:42:22+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 55m, avg 56m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 48 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and ZONDAR) maintained close proximity (min 55m, avg 56m) for 48 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.7079420000000027357600629329681396484375,
            "lon": 33.32028530000000188238118425942957401275634765625
        },
        "time_window": {
            "start_ts": "2026-10-27T08:54:27+00:00",
            "end_ts": "2026-10-27T09:42:22+00:00"
        },
        "searched_at": "2026-10-27T10:00:01.533189+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636019212,
        "imo": 9800790,
        "name": "HISTRIA ATLAS",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 311.80000000000001136868377216160297393798828125,
    "avg_distance_m": 311.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 0,
    "duration_minutes": 54,
    "overlap_duration_s": 3240,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-10-27T08:36:13+00:00",
        "end": "2026-10-27T09:30:13+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 312m, avg 312m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 54 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b10m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (HISTRIA ATLAS and ROSE I) maintained close proximity (min 312m, avg 312m) for 54 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.709083300000003191598807461559772491455078125,
            "lon": 33.32123589999999779820427647791802883148193359375
        },
        "time_window": {
            "start_ts": "2026-10-27T08:36:13+00:00",
            "end_ts": "2026-10-27T09:30:13+00:00"
        },
        "searched_at": "2026-10-27T11:00:14.245180+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-10-27T08:42:24+00:00",
        "lat": 34.7080500000000000682121026329696178436279296875,
        "lon": 33.3200216999999980771463015116751194000244140625
    },
    "last_point": {
        "ts": "2026-10-27T15:18:22+00:00",
        "lat": 34.70812670000000110803739516995847225189208984375,
        "lon": 33.3200633000000010497387847863137722015380859375
    }
}

{
    "radius_m": 5.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 396,
    "points": 10,
    "centroid": {
        "lat": 34.7080978299999998171188053674995899200439453125,
        "lon": 33.3200471800000030953015084378421306610107421875
    },
    "bbox": {
        "min_lat": 34.7080500000000000682121026329696178436279296875,
        "min_lon": 33.32000169999999883430064073763787746429443359375,
        "max_lat": 34.7081433000000032507159630768001079559326171875,
        "max_lon": 33.32008499999999884266799199394881725311279296875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636019212,
        "imo": 9800790,
        "name": "HISTRIA ATLAS",
        "flag": "Liberia"
    },
    "min_distance_m": 310.19999999999998863131622783839702606201171875,
    "avg_distance_m": 312.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 2.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 206.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 12416,
    "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": "2026-10-27T05:15:28+00:00",
        "end": "2026-10-27T08:42:24+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 310m, avg 312m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 207 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and HISTRIA ATLAS) maintained close proximity (min 310m, avg 312m) for 207 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70908610000000038553480408154428005218505859375,
            "lon": 33.32121889999999808651409693993628025054931640625
        },
        "time_window": {
            "start_ts": "2026-10-27T05:15:28+00:00",
            "end_ts": "2026-10-27T08:42:24+00:00"
        },
        "searched_at": "2026-10-27T11:45:04.468693+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-10-27T05:00:28+00:00",
        "lat": 34.7080916999999971039869706146419048309326171875,
        "lon": 33.32004669999999890706021687947213649749755859375
    },
    "last_point": {
        "ts": "2026-10-27T11:36:29+00:00",
        "lat": 34.70810000000000172803993336856365203857421875,
        "lon": 33.32008499999999884266799199394881725311279296875
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636019212,
        "imo": 9800790,
        "name": "HISTRIA ATLAS",
        "flag": "Liberia"
    },
    "min_distance_m": 304.1000000000000227373675443232059478759765625,
    "avg_distance_m": 323.3999999999999772626324556767940521240234375,
    "distance_consistency_m": 30.300000000000000710542735760100185871124267578125,
    "duration_minutes": 264.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 15845,
    "speed_a_avg": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_a_std": 0.39000000000000001332267629550187848508358001708984375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.2099999999999999922284388276239042170345783233642578125,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-10-27T04:18:19+00:00",
        "end": "2026-10-27T08:42:24+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 74,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 304m, avg 323m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 264 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b130m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ROSE I and HISTRIA ATLAS) maintained close proximity (min 304m, avg 323m) for 264 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 538005166,
        "imo": 9351634,
        "name": "ZONDAR",
        "flag": "Marshall Is"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 54.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 72,
    "distance_consistency_m": 28,
    "duration_minutes": 63,
    "overlap_duration_s": 3777,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.25,
    "speed_b_std": 0.419999999999999984456877655247808434069156646728515625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.25,
            "max_sog": 1
        }
    },
    "time_window": {
        "start": "2026-10-27T04:15:25+00:00",
        "end": "2026-10-27T05:18:22+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 82,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 55m, avg 72m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 63 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b128m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZONDAR and ROSE I) maintained close proximity (min 55m, avg 72m) for 63 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "radius_m": 649.700000000000045474735088646411895751953125,
    "duration_minutes": 336,
    "points": 11,
    "centroid": {
        "lat": 34.70749681818182352799340151250362396240234375,
        "lon": 33.32008622727273206010067951865494251251220703125
    },
    "bbox": {
        "min_lat": 34.70180669999999878427843214012682437896728515625,
        "min_lon": 33.31914499999999890178514760918915271759033203125,
        "max_lat": 34.70815499999999786950866109691560268402099609375,
        "max_lon": 33.3217633000000006404661689884960651397705078125
    },
    "zone_id": "discovered_039"
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 341.1000000000000227373675443232059478759765625,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-10-27T04:01:16+00:00",
        "lat": 34.6992632999999983667294145561754703521728515625,
        "lon": 33.33038830000000274367266683839261531829833984375
    },
    "last_point": {
        "ts": "2026-10-27T09:42:22+00:00",
        "lat": 34.70809669999999869105522520840167999267578125,
        "lon": 33.32001669999999649007804691791534423828125
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 391.3999999999999772626324556767940521240234375,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-10-27T03:10:58+00:00",
        "lat": 34.7038016999999996414771885611116886138916015625,
        "lon": 33.34232670000000098298187367618083953857421875
    },
    "last_point": {
        "ts": "2026-10-27T09:42:22+00:00",
        "lat": 34.70809669999999869105522520840167999267578125,
        "lon": 33.32001669999999649007804691791534423828125
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 370.80000000000001136868377216160297393798828125,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-10-27T02:43:39+00:00",
        "lat": 34.69150499999999937017491902224719524383544921875,
        "lon": 33.3642583000000030324372346512973308563232421875
    },
    "last_point": {
        "ts": "2026-10-27T08:54:27+00:00",
        "lat": 34.7080832999999984167516231536865234375,
        "lon": 33.32004669999999890706021687947213649749755859375
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 246.599999999999994315658113919198513031005859375,
    "points_in_zone": 30,
    "first_point": {
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    "dwell_minutes": 106.2999999999999971578290569595992565155029296875,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-10-01T22:28:54+00:00",
        "lat": 37.02505000000000023874235921539366245269775390625,
        "lon": 24.39193829999999962865331326611340045928955078125
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    "last_point": {
        "ts": "2026-10-02T00:15:14+00:00",
        "lat": 37.244061700000003156674210913479328155517578125,
        "lon": 24.198768300000001119087755796499550342559814453125
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 93,
    "points_in_zone": 34,
    "first_point": {
        "ts": "2026-09-11T16:00:32+00:00",
        "lat": 34.17042500000000160298441187478601932525634765625,
        "lon": 33.65008830000000017435013432987034320831298828125
    },
    "last_point": {
        "ts": "2026-09-11T17:33:30+00:00",
        "lat": 34.11525000000000318323145620524883270263671875,
        "lon": 34.0153217000000012149030226282775402069091796875
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 152.80000000000001136868377216160297393798828125,
    "points_in_zone": 62,
    "first_point": {
        "ts": "2026-09-11T15:00:39+00:00",
        "lat": 34.20730669999999662422851542942225933074951171875,
        "lon": 33.39569999999999794226823723874986171722412109375
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    "last_point": {
        "ts": "2026-09-11T17:33:30+00:00",
        "lat": 34.11525000000000318323145620524883270263671875,
        "lon": 34.0153217000000012149030226282775402069091796875
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 170,
    "points_in_zone": 69,
    "first_point": {
        "ts": "2026-09-11T14:43:30+00:00",
        "lat": 34.2140849999999971942088450305163860321044921875,
        "lon": 33.32287500000000335376171278767287731170654296875
    },
    "last_point": {
        "ts": "2026-09-11T17:33:30+00:00",
        "lat": 34.11525000000000318323145620524883270263671875,
        "lon": 34.0153217000000012149030226282775402069091796875
    }
}

{
    "gap_minutes": 266.30000000000001136868377216160297393798828125,
    "last_seen": {
        "ts": "2026-09-11T10:17:10+00:00",
        "lat": 34.48893170000000196750988834537565708160400390625,
        "lon": 32.2172233000000005631591193377971649169921875,
        "sog": 13.0999999999999996447286321199499070644378662109375,
        "zone_id": "discovered_209"
    },
    "next_seen": {
        "ts": "2026-09-11T14:43:30+00:00",
        "lat": 34.2140849999999971942088450305163860321044921875,
        "lon": 33.32287500000000335376171278767287731170654296875,
        "zone_ids": [
            "discovered_039"
        ]
    },
    "gap_enrichment": {
        "status": "not_found",
        "corridor": {
            "start": {
                "lat": 34.48893170000000196750988834537565708160400390625,
                "lon": 32.2172233000000005631591193377971649169921875,
                "ts": "2026-09-11T10:17:10+00:00"
            },
            "end": {
                "lat": 34.2140849999999971942088450305163860321044921875,
                "lon": 33.32287500000000335376171278767287731170654296875,
                "ts": "2026-09-11T14:43:30+00:00"
            },
            "bbox": {
                "min_lat": 34.03390499999999718738763476721942424774169921875,
                "min_lon": 31.998979999999999535020833718590438365936279296875,
                "max_lat": 34.6691119999999983747329679317772388458251953125,
                "max_lon": 33.54111900000000190402715816162526607513427734375
            },
            "buffer_km": 20
        },
        "sar": {
            "status": "not_found",
            "notes": "No Sentinel-1 scenes covering corridor and time window"
        },
        "viirs": {
            "status": "not_found",
            "notes": "No VIIRS thermal\/light detections in corridor"
        },
        "searched_at": "2026-09-11T15:00:10.677196+00:00"
    }
}

{
    "zone_id": "discovered_033",
    "zone_name": "Saronic Gulf Surveillance Zone",
    "dwell_minutes": 66.5,
    "points_in_zone": 34,
    "first_point": {
        "ts": "2026-09-06T04:00:44+00:00",
        "lat": 37.31400000000000005684341886080801486968994140625,
        "lon": 24.133115000000000094360075308941304683685302734375
    },
    "last_point": {
        "ts": "2026-09-06T05:07:13+00:00",
        "lat": 37.4689699999999987767296261154115200042724609375,
        "lon": 24.014546700000000356567397830076515674591064453125
    }
}

{
    "zone_id": "discovered_033",
    "zone_name": "Saronic Gulf Surveillance Zone",
    "dwell_minutes": 121.7000000000000028421709430404007434844970703125,
    "points_in_zone": 72,
    "first_point": {
        "ts": "2026-09-06T03:05:34+00:00",
        "lat": 37.177514999999999645297066308557987213134765625,
        "lon": 24.2356316999999990002834238111972808837890625
    },
    "last_point": {
        "ts": "2026-09-06T05:07:13+00:00",
        "lat": 37.4689699999999987767296261154115200042724609375,
        "lon": 24.014546700000000356567397830076515674591064453125
    }
}

{
    "zone_id": "discovered_033",
    "zone_name": "Saronic Gulf Surveillance Zone",
    "dwell_minutes": 187,
    "points_in_zone": 105,
    "first_point": {
        "ts": "2026-09-06T02:00:15+00:00",
        "lat": 37.03611829999999827123247087001800537109375,
        "lon": 24.37820500000000123463905765675008296966552734375
    },
    "last_point": {
        "ts": "2026-09-06T05:07:13+00:00",
        "lat": 37.4689699999999987767296261154115200042724609375,
        "lon": 24.014546700000000356567397830076515674591064453125
    }
}

{
    "zone_id": "discovered_033",
    "zone_name": "Saronic Gulf Surveillance Zone",
    "dwell_minutes": 192.5,
    "points_in_zone": 107,
    "first_point": {
        "ts": "2026-09-06T01:54:44+00:00",
        "lat": 37.02652669999999801575540914200246334075927734375,
        "lon": 24.393093300000000311911207973025739192962646484375
    },
    "last_point": {
        "ts": "2026-09-06T05:07:13+00:00",
        "lat": 37.4689699999999987767296261154115200042724609375,
        "lon": 24.014546700000000356567397830076515674591064453125
    }
}

{
    "zone_id": "discovered_035",
    "zone_name": "Southern Black Sea Sanctioned Vessel Zone",
    "dwell_minutes": 75.2999999999999971578290569595992565155029296875,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-07-27T14:33:34+00:00",
        "lat": 37.35020670000000109212123788893222808837890625,
        "lon": 23.952028299999998495195541181601583957672119140625
    },
    "last_point": {
        "ts": "2026-07-27T15:48:53+00:00",
        "lat": 37.1531482999999980165739543735980987548828125,
        "lon": 24.208471700000000481622919323854148387908935546875
    }
}

{
    "zone_id": "discovered_041",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "dwell_minutes": 134.80000000000001136868377216160297393798828125,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-15T03:11:49+00:00",
        "lat": 34.43725830000000343034116667695343494415283203125,
        "lon": 33.848358300000001008811523206532001495361328125
    },
    "last_point": {
        "ts": "2026-07-15T05:26:40+00:00",
        "lat": 34.40931830000000246627678279764950275421142578125,
        "lon": 33.3108466999999990321157383732497692108154296875
    }
}

{
    "vessel_a": {
        "mmsi": 636026664,
        "imo": 9389497,
        "name": "VENTUS MARIA",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 0.40000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 1.600000000000000088817841970012523233890533447265625,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 31.89999999999999857891452847979962825775146484375,
    "overlap_duration_s": 1916,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-14T21:10:29+00:00",
        "end": "2026-07-14T21:42:25+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 0m, avg 2m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 32 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: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (VENTUS MARIA and ROSE I) maintained close proximity (min 0m, avg 2m) for 32 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.71709870000000108802851173095405101776123046875,
            "lon": 35.999371899999999868668965063989162445068359375
        },
        "time_window": {
            "start_ts": "2026-07-14T21:10:29+00:00",
            "end_ts": "2026-07-14T21:42:25+00:00"
        },
        "searched_at": "2026-07-15T03:45:01.507991+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636018234,
        "imo": 9235696,
        "name": "CAESAR",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 1,
    "avg_distance_m": 7.4000000000000003552713678800500929355621337890625,
    "distance_consistency_m": 12.300000000000000710542735760100185871124267578125,
    "duration_minutes": 40.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 2416,
    "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": "2026-07-14T21:02:31+00:00",
        "end": "2026-07-14T21:42:47+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 7m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b112m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (CAESAR and ROSE I) maintained close proximity (min 1m, avg 7m) for 40 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636016188,
        "imo": 9135793,
        "name": "SEAGAS MAJOR",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 0.90000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 2.600000000000000088817841970012523233890533447265625,
    "distance_consistency_m": 2,
    "duration_minutes": 39.5,
    "overlap_duration_s": 2367,
    "speed_a_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_a_std": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_b_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_std": 0.2300000000000000099920072216264088638126850128173828125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-07-14T20:48:14+00:00",
        "end": "2026-07-14T21:27:41+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 3m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 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: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SEAGAS MAJOR and ROSE I) maintained close proximity (min 1m, avg 3m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Central Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717093899999998285466062952764332294464111328125,
            "lon": 35.99936220000000020036168280057609081268310546875
        },
        "time_window": {
            "start_ts": "2026-07-14T20:48:14+00:00",
            "end_ts": "2026-07-14T21:27:41+00:00"
        },
        "searched_at": "2026-07-14T22:45:14.303726+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636026664,
        "imo": 9389497,
        "name": "VENTUS MARIA",
        "flag": "LIBERIA"
    },
    "min_distance_m": 0.40000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 2.29999999999999982236431605997495353221893310546875,
    "distance_consistency_m": 1.5,
    "duration_minutes": 73.7999999999999971578290569595992565155029296875,
    "overlap_duration_s": 4430,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-14T20:20:34+00:00",
        "end": "2026-07-14T21:34:24+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 0m, avg 2m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 74 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: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and VENTUS MARIA) maintained close proximity (min 0m, avg 2m) for 74 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 354588000,
        "imo": 9506150,
        "name": "GAZ EXPLORER",
        "flag": "Panama"
    },
    "min_distance_m": 0.6999999999999999555910790149937383830547332763671875,
    "avg_distance_m": 2.399999999999999911182158029987476766109466552734375,
    "distance_consistency_m": 1.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 55.5,
    "overlap_duration_s": 3327,
    "speed_a_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_a_std": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_std": 0.13000000000000000444089209850062616169452667236328125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.059999999999999997779553950749686919152736663818359375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.059999999999999997779553950749686919152736663818359375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-07-14T20:20:34+00:00",
        "end": "2026-07-14T21:16:01+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 2m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 56 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: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and GAZ EXPLORER) maintained close proximity (min 1m, avg 2m) for 56 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Central Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.7170856999999983827365213073790073394775390625,
            "lon": 35.99936050000000165027813636697828769683837890625
        },
        "time_window": {
            "start_ts": "2026-07-14T20:20:34+00:00",
            "end_ts": "2026-07-14T21:16:01+00:00"
        },
        "searched_at": "2026-07-14T21:30:10.933535+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636018234,
        "imo": 9235696,
        "name": "CAESAR",
        "flag": "Liberia"
    },
    "min_distance_m": 1.399999999999999911182158029987476766109466552734375,
    "avg_distance_m": 2.899999999999999911182158029987476766109466552734375,
    "distance_consistency_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 31.5,
    "overlap_duration_s": 1888,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-14T20:20:34+00:00",
        "end": "2026-07-14T20:52:02+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 3m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 32 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ROSE I and CAESAR) maintained close proximity (min 1m, avg 3m) for 32 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.7170942999999994071913533844053745269775390625,
            "lon": 35.999363299999998844214132986962795257568359375
        },
        "time_window": {
            "start_ts": "2026-07-14T20:20:34+00:00",
            "end_ts": "2026-07-14T20:52:02+00:00"
        },
        "searched_at": "2026-07-15T03:00:02.294253+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636019539,
        "imo": 9278686,
        "name": "E PIONEER",
        "flag": "Liberia"
    },
    "min_distance_m": 0.5,
    "avg_distance_m": 19.300000000000000710542735760100185871124267578125,
    "distance_consistency_m": 25.300000000000000710542735760100185871124267578125,
    "duration_minutes": 63.7999999999999971578290569595992565155029296875,
    "overlap_duration_s": 3827,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-14T20:20:34+00:00",
        "end": "2026-07-14T21:24:21+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 0m, avg 19m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 64 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b125m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROSE I and E PIONEER) maintained close proximity (min 0m, avg 19m) for 64 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636014336,
        "imo": 9283796,
        "name": "DELPHI",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 0.40000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 3.399999999999999911182158029987476766109466552734375,
    "distance_consistency_m": 3.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 37,
    "overlap_duration_s": 2217,
    "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": "2026-07-14T20:58:08+00:00",
        "end": "2026-07-14T21:35:05+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 0m, avg 3m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 37 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: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (DELPHI and ROSE I) maintained close proximity (min 0m, avg 3m) for 37 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 352001874,
        "imo": 9349203,
        "name": "PHOENIX II",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 636022191,
        "imo": 9376945,
        "name": "ROSE I",
        "flag": "Liberia"
    },
    "min_distance_m": 1.1999999999999999555910790149937383830547332763671875,
    "avg_distance_m": 8,
    "distance_consistency_m": 12.699999999999999289457264239899814128875732421875,
    "duration_minutes": 33.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2020,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_std": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0.059999999999999997779553950749686919152736663818359375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-07-14T20:53:14+00:00",
        "end": "2026-07-14T21:26:54+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_130",
    "zone_name": "Central Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 8m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 34 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Central Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PHOENIX II and ROSE I) maintained close proximity (min 1m, avg 8m) for 34 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 Central Mediterranean Surveillance Zone, a known STS activity area."
    }
}