ARDMORE ENTERPRISE

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 72.900000000000005684341886080801486968994140625,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-09-07T17:02:18+00:00",
        "lat": 31.546588299999999804867911734618246555328369140625,
        "lon": 32.38040170000000017580532585270702838897705078125
    },
    "last_point": {
        "ts": "2026-09-07T18:15:12+00:00",
        "lat": 31.394651700000000715817805030383169651031494140625,
        "lon": 32.3647567000000009329596650786697864532470703125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 130.5,
    "points_in_zone": 55,
    "first_point": {
        "ts": "2026-09-07T16:04:41+00:00",
        "lat": 31.6689199999999999590727384202182292938232421875,
        "lon": 32.50332999999999827878127689473330974578857421875
    },
    "last_point": {
        "ts": "2026-09-07T18:15:12+00:00",
        "lat": 31.394651700000000715817805030383169651031494140625,
        "lon": 32.3647567000000009329596650786697864532470703125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 193.5,
    "points_in_zone": 82,
    "first_point": {
        "ts": "2026-09-07T15:01:43+00:00",
        "lat": 31.83997169999999954370650812052190303802490234375,
        "lon": 32.59194000000000102090780274011194705963134765625
    },
    "last_point": {
        "ts": "2026-09-07T18:15:12+00:00",
        "lat": 31.394651700000000715817805030383169651031494140625,
        "lon": 32.3647567000000009329596650786697864532470703125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 206.30000000000001136868377216160297393798828125,
    "points_in_zone": 84,
    "first_point": {
        "ts": "2026-09-07T14:48:51+00:00",
        "lat": 31.886289999999998912016963004134595394134521484375,
        "lon": 32.58710330000000254813130595721304416656494140625
    },
    "last_point": {
        "ts": "2026-09-07T18:15:12+00:00",
        "lat": 31.394651700000000715817805030383169651031494140625,
        "lon": 32.3647567000000009329596650786697864532470703125
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 86.7999999999999971578290569595992565155029296875,
    "points_in_zone": 46,
    "first_point": {
        "ts": "2026-09-07T01:03:17+00:00",
        "lat": 34.70967170000000123764039017260074615478515625,
        "lon": 33.3229716999999965310053084976971149444580078125
    },
    "last_point": {
        "ts": "2026-09-07T02:30:05+00:00",
        "lat": 34.55353170000000062600520323030650615692138671875,
        "lon": 33.295036699999997154009179212152957916259765625
    }
}

{
    "vessel_a": {
        "mmsi": 538005294,
        "imo": 9363780,
        "name": "TWINKLE STAR",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 322.69999999999998863131622783839702606201171875,
    "avg_distance_m": 344.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 41.2999999999999971578290569595992565155029296875,
    "duration_minutes": 58,
    "overlap_duration_s": 3482,
    "speed_a_avg": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_a_std": 0.419999999999999984456877655247808434069156646728515625,
    "speed_b_avg": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_b_std": 0.63000000000000000444089209850062616169452667236328125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1700000000000000122124532708767219446599483489990234375,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 0.2200000000000000011102230246251565404236316680908203125,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-07T00:32:02+00:00",
        "end": "2026-09-07T01:30:04+00:00"
    },
    "points_count": {
        "vessel_a": 19,
        "vessel_b": 19
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 56,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 323m, avg 344m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 58 minutes"
            },
            "speed_stability": {
                "score": 14,
                "max": 20,
                "detail": "both nearly stationary; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b141m"
            },
            "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": "Low-confidence STS candidate - may warrant review. Two tankers (TWINKLE STAR and ARDMORE ENTERPRISE) maintained close proximity (min 323m, avg 344m) for 58 minutes. Both vessels were slow-moving (avg speeds 0.2 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."
    }
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 305.19999999999998863131622783839702606201171875,
    "avg_distance_m": 314.5,
    "distance_consistency_m": 21.60000000000000142108547152020037174224853515625,
    "duration_minutes": 87,
    "overlap_duration_s": 5220,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.1600000000000000033306690738754696212708950042724609375,
    "speed_b_std": 0.5500000000000000444089209850062616169452667236328125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.1600000000000000033306690738754696212708950042724609375,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-07T00:05:17+00:00",
        "end": "2026-09-07T01:32:17+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 64,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 305m, avg 314m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 87 minutes"
            },
            "speed_stability": {
                "score": 14,
                "max": 20,
                "detail": "both nearly stationary; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b122m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 305m, avg 314m) for 87 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."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70874570000000147729224408976733684539794921875,
            "lon": 33.32175730000000157815520651638507843017578125
        },
        "time_window": {
            "start_ts": "2026-09-07T00:05:17+00:00",
            "end_ts": "2026-09-07T01:32:17+00:00"
        },
        "searched_at": "2026-09-07T06:45:22.465656+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": 146.80000000000001136868377216160297393798828125,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-09-07T00:03:17+00:00",
        "lat": 34.70969170000000048048605094663798809051513671875,
        "lon": 33.3229816999999997051418176852166652679443359375
    },
    "last_point": {
        "ts": "2026-09-07T02:30:05+00:00",
        "lat": 34.55353170000000062600520323030650615692138671875,
        "lon": 33.295036699999997154009179212152957916259765625
    }
}

{
    "radius_m": 910.1000000000000227373675443232059478759765625,
    "duration_minutes": 98.599999999999994315658113919198513031005859375,
    "points": 20,
    "centroid": {
        "lat": 34.70913659499999681656845496036112308502197265625,
        "lon": 33.32405892500000987865860224701464176177978515625
    },
    "bbox": {
        "min_lat": 34.70377169999999722449501859955489635467529296875,
        "min_lon": 33.322931699999998045313986949622631072998046875,
        "max_lat": 34.70971999999999724195731687359511852264404296875,
        "max_lon": 33.3315750000000008412825991399586200714111328125
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 305.19999999999998863131622783839702606201171875,
    "avg_distance_m": 312.6000000000000227373675443232059478759765625,
    "distance_consistency_m": 15.5,
    "duration_minutes": 144,
    "overlap_duration_s": 8638,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.11000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0.40000000000000002220446049250313080847263336181640625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.11000000000000000055511151231257827021181583404541015625,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-06T23:08:19+00:00",
        "end": "2026-09-07T01:32:17+00:00"
    },
    "points_count": {
        "vessel_a": 25,
        "vessel_b": 25
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 77,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 305m, avg 313m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 144 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b116m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 305m, avg 313m) for 144 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 Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70875350000000025829649530351161956787109375,
            "lon": 33.32173480000000154177541844546794891357421875
        },
        "time_window": {
            "start_ts": "2026-09-06T23:08:19+00:00",
            "end_ts": "2026-09-07T01:32:17+00:00"
        },
        "searched_at": "2026-09-07T05:45:01.994785+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": 209.80000000000001136868377216160297393798828125,
    "points_in_zone": 69,
    "first_point": {
        "ts": "2026-09-06T23:00:15+00:00",
        "lat": 34.70971670000000131039996631443500518798828125,
        "lon": 33.3229749999999995679900166578590869903564453125
    },
    "last_point": {
        "ts": "2026-09-07T02:30:05+00:00",
        "lat": 34.55353170000000062600520323030650615692138671875,
        "lon": 33.295036699999997154009179212152957916259765625
    }
}

{
    "radius_m": 952.1000000000000227373675443232059478759765625,
    "duration_minutes": 161.69999999999998863131622783839702606201171875,
    "points": 31,
    "centroid": {
        "lat": 34.70934076129032064272905699908733367919921875,
        "lon": 33.32366710000000153968358063139021396636962890625
    },
    "bbox": {
        "min_lat": 34.70377169999999722449501859955489635467529296875,
        "min_lon": 33.32292830000000094514689408242702484130859375,
        "max_lat": 34.7097466999999966219547786749899387359619140625,
        "max_lon": 33.3315750000000008412825991399586200714111328125
    },
    "zone_id": "discovered_039"
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 242.30000000000001136868377216160297393798828125,
    "points_in_zone": 76,
    "first_point": {
        "ts": "2026-09-06T22:27:46+00:00",
        "lat": 34.7097449999999980718712322413921356201171875,
        "lon": 33.32300330000000343488864018581807613372802734375
    },
    "last_point": {
        "ts": "2026-09-07T02:30:05+00:00",
        "lat": 34.55353170000000062600520323030650615692138671875,
        "lon": 33.295036699999997154009179212152957916259765625
    }
}

{
    "radius_m": 966,
    "duration_minutes": 194.19999999999998863131622783839702606201171875,
    "points": 38,
    "centroid": {
        "lat": 34.7094083421052488347413600422441959381103515625,
        "lon": 33.32353798684210488545431871898472309112548828125
    },
    "bbox": {
        "min_lat": 34.70377169999999722449501859955489635467529296875,
        "min_lon": 33.32292830000000094514689408242702484130859375,
        "max_lat": 34.7097466999999966219547786749899387359619140625,
        "max_lon": 33.3315750000000008412825991399586200714111328125
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 6.0999999999999996447286321199499070644378662109375,
    "avg_distance_m": 303,
    "distance_consistency_m": 55,
    "duration_minutes": 190.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 11457,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.34999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-06T22:21:20+00:00",
        "end": "2026-09-07T01:32:17+00:00"
    },
    "points_count": {
        "vessel_a": 33,
        "vessel_b": 33
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 303m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 191 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b155m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 303m) for 191 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.618098500000002104570739902555942535400390625,
            "lon": 33.402871599999997442864696495234966278076171875
        },
        "time_window": {
            "start_ts": "2026-09-06T22:21:20+00:00",
            "end_ts": "2026-09-07T01:32:17+00:00"
        },
        "searched_at": "2026-09-07T04:45:01.350614+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 6.0999999999999996447286321199499070644378662109375,
    "avg_distance_m": 304.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 50.60000000000000142108547152020037174224853515625,
    "duration_minutes": 254.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 15247,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-06T21:18:10+00:00",
        "end": "2026-09-07T01:32:17+00:00"
    },
    "points_count": {
        "vessel_a": 39,
        "vessel_b": 39
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 304m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 254 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b151m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 304m) for 254 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.63204710000000119407559395767748355865478515625,
            "lon": 33.3903861000000006242771632969379425048828125
        },
        "time_window": {
            "start_ts": "2026-09-06T21:18:10+00:00",
            "end_ts": "2026-09-07T01:32:17+00:00"
        },
        "searched_at": "2026-09-07T03:45:01.835021+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": 65.900000000000005684341886080801486968994140625,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-09-06T21:02:31+00:00",
        "lat": 34.70971670000000131039996631443500518798828125,
        "lon": 33.32295500000000032514435588382184505462646484375
    },
    "last_point": {
        "ts": "2026-09-06T22:08:26+00:00",
        "lat": 34.70977169999999745186869404278695583343505859375,
        "lon": 33.323008299999997916529537178575992584228515625
    }
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 6.0999999999999996447286321199499070644378662109375,
    "avg_distance_m": 305.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 46.5,
    "duration_minutes": 320.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 19208,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-06T20:12:09+00:00",
        "end": "2026-09-07T01:32:17+00:00"
    },
    "points_count": {
        "vessel_a": 46,
        "vessel_b": 46
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 305m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 320 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b146m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 305m) for 320 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 Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.643720000000001846274244599044322967529296875,
            "lon": 33.37993680000000296104190056212246417999267578125
        },
        "time_window": {
            "start_ts": "2026-09-06T20:12:09+00:00",
            "end_ts": "2026-09-07T01:32:17+00:00"
        },
        "searched_at": "2026-09-07T02:45:01.829861+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": 116.900000000000005684341886080801486968994140625,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-09-06T20:11:30+00:00",
        "lat": 34.7097566999999997960912878625094890594482421875,
        "lon": 33.32298329999999708661562181077897548675537109375
    },
    "last_point": {
        "ts": "2026-09-06T22:08:26+00:00",
        "lat": 34.70977169999999745186869404278695583343505859375,
        "lon": 33.323008299999997916529537178575992584228515625
    }
}

{
    "radius_m": 11,
    "duration_minutes": 116.900000000000005684341886080801486968994140625,
    "points": 17,
    "centroid": {
        "lat": 34.70971656470587873855038196779787540435791015625,
        "lon": 33.3229521588235257922860910184681415557861328125
    },
    "bbox": {
        "min_lat": 34.709648299999997789200278930366039276123046875,
        "min_lon": 33.3228500000000025238477974198758602142333984375,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.323008299999997916529537178575992584228515625
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 6.0999999999999996447286321199499070644378662109375,
    "avg_distance_m": 306.5,
    "distance_consistency_m": 42.2000000000000028421709430404007434844970703125,
    "duration_minutes": 377.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 22626,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_std": 0.270000000000000017763568394002504646778106689453125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-06T19:15:11+00:00",
        "end": "2026-09-07T01:32:17+00:00"
    },
    "points_count": {
        "vessel_a": 56,
        "vessel_b": 56
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 306m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 377 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b142m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 306m) for 377 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 Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.65533479999999855181158636696636676788330078125,
            "lon": 33.3695402000000029829607228748500347137451171875
        },
        "time_window": {
            "start_ts": "2026-09-06T19:15:11+00:00",
            "end_ts": "2026-09-07T01:32:17+00:00"
        },
        "searched_at": "2026-09-07T01:45:01.518556+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": 176.900000000000005684341886080801486968994140625,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-09-06T19:11:32+00:00",
        "lat": 34.7097150000000027603164198808372020721435546875,
        "lon": 33.32296500000000349928086507134139537811279296875
    },
    "last_point": {
        "ts": "2026-09-06T22:08:26+00:00",
        "lat": 34.70977169999999745186869404278695583343505859375,
        "lon": 33.323008299999997916529537178575992584228515625
    }
}

{
    "radius_m": 11.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 176.900000000000005684341886080801486968994140625,
    "points": 29,
    "centroid": {
        "lat": 34.709716037931030996332992799580097198486328125,
        "lon": 33.322956962068957409428548999130725860595703125
    },
    "bbox": {
        "min_lat": 34.709648299999997789200278930366039276123046875,
        "min_lon": 33.3228500000000025238477974198758602142333984375,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.323008299999997916529537178575992584228515625
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 6.0999999999999996447286321199499070644378662109375,
    "avg_distance_m": 305.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 38.7999999999999971578290569595992565155029296875,
    "duration_minutes": 383.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 22989,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-09-06T18:36:08+00:00",
        "end": "2026-09-07T00:59:17+00:00"
    },
    "points_count": {
        "vessel_a": 62,
        "vessel_b": 62
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 306m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 383 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b139m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 306m) for 383 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": 245.900000000000005684341886080801486968994140625,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-09-06T18:02:30+00:00",
        "lat": 34.70967830000000020618244889192283153533935546875,
        "lon": 33.32296999999999798092176206409931182861328125
    },
    "last_point": {
        "ts": "2026-09-06T22:08:26+00:00",
        "lat": 34.70977169999999745186869404278695583343505859375,
        "lon": 33.323008299999997916529537178575992584228515625
    }
}

{
    "radius_m": 11.5,
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    "points": 42,
    "centroid": {
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    "bbox": {
        "min_lat": 34.709648299999997789200278930366039276123046875,
        "min_lon": 33.3228500000000025238477974198758602142333984375,
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        "max_lon": 33.323008299999997916529537178575992584228515625
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}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 6.0999999999999996447286321199499070644378662109375,
    "avg_distance_m": 306,
    "distance_consistency_m": 38.5,
    "duration_minutes": 389.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 23349,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
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    },
    "time_window": {
        "start": "2026-09-06T17:54:09+00:00",
        "end": "2026-09-07T00:23:18+00:00"
    },
    "points_count": {
        "vessel_a": 63,
        "vessel_b": 63
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 306m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 389 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b138m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 306m) for 389 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
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    "last_point": {
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        "lat": 34.70977169999999745186869404278695583343505859375,
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}

{
    "radius_m": 11.699999999999999289457264239899814128875732421875,
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{
    "zone_id": "discovered_039",
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    "points_in_zone": 63,
    "first_point": {
        "ts": "2026-09-06T16:07:09+00:00",
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}

{
    "radius_m": 11.800000000000000710542735760100185871124267578125,
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{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "speed_summary": {
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        "vessel_b": {
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    "time_window": {
        "start": "2026-09-06T16:57:09+00:00",
        "end": "2026-09-06T23:17:17+00:00"
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    "points_count": {
        "vessel_a": 55,
        "vessel_b": 55
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    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 306m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 380 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b141m"
            },
            "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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 6m, avg 306m) for 380 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": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 306.6000000000000227373675443232059478759765625,
    "avg_distance_m": 311.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 2.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 378,
    "overlap_duration_s": 22680,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
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    },
    "time_window": {
        "start": "2026-09-06T15:39:10+00:00",
        "end": "2026-09-06T21:57:10+00:00"
    },
    "points_count": {
        "vessel_a": 55,
        "vessel_b": 55
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 307m, avg 312m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 378 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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 307m, avg 312m) for 378 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",
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        "ts": "2026-09-06T22:08:26+00:00",
        "lat": 34.70977169999999745186869404278695583343505859375,
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{
    "radius_m": 12,
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{
    "zone_id": "discovered_039",
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    "dwell_minutes": 394.3999999999999772626324556767940521240234375,
    "points_in_zone": 69,
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{
    "radius_m": 8.9000000000000003552713678800500929355621337890625,
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{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "avg_distance_m": 312.1000000000000227373675443232059478759765625,
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    "overlap_duration_s": 22678,
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    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
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    "speed_summary": {
        "vessel_a": {
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        "vessel_b": {
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    },
    "time_window": {
        "start": "2026-09-06T14:36:10+00:00",
        "end": "2026-09-06T20:54:08+00:00"
    },
    "points_count": {
        "vessel_a": 57,
        "vessel_b": 57
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 307m, avg 312m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 378 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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 307m, avg 312m) for 378 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": 391.3999999999999772626324556767940521240234375,
    "points_in_zone": 72,
    "first_point": {
        "ts": "2026-09-06T13:55:09+00:00",
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        "lon": 33.32295169999999728815964772365987300872802734375
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        "lat": 34.7097449999999980718712322413921356201171875,
        "lon": 33.322980000000001155058271251618862152099609375
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{
    "radius_m": 9.0999999999999996447286321199499070644378662109375,
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{
    "vessel_a": {
        "mmsi": 636023504,
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        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    },
    "time_window": {
        "start": "2026-09-06T13:45:08+00:00",
        "end": "2026-09-06T20:03:10+00:00"
    },
    "points_count": {
        "vessel_a": 56,
        "vessel_b": 56
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 308m, avg 312m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 378 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 (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 308m, avg 312m) for 378 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
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{
    "radius_m": 9.5,
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{
    "vessel_a": {
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        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
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    },
    "time_window": {
        "start": "2026-09-06T12:19:08+00:00",
        "end": "2026-09-06T14:16:09+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
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    "zone_id": "discovered_039",
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    "score": {
        "value": 80,
        "components": {
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                "score": 15,
                "max": 25,
                "detail": "Min distance 300m, avg 313m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 117 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
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        },
        "summary": "High-confidence STS candidate. Two tankers (ARDMORE ENTERPRISE and YANBU) maintained close proximity (min 300m, avg 313m) for 117 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."
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{
    "zone_id": "discovered_039",
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{
    "radius_m": 9.699999999999999289457264239899814128875732421875,
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{
    "zone_id": "discovered_039",
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    "radius_m": 7.9000000000000003552713678800500929355621337890625,
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{
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{
    "radius_m": 7.9000000000000003552713678800500929355621337890625,
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{
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{
    "radius_m": 7.70000000000000017763568394002504646778106689453125,
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{
    "zone_id": "discovered_039",
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    "points_in_zone": 66,
    "first_point": {
        "ts": "2026-09-06T07:40:48+00:00",
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        "lat": 34.709665000000001100488589145243167877197265625,
        "lon": 33.32296000000000191221261047758162021636962890625
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{
    "radius_m": 7.79999999999999982236431605997495353221893310546875,
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    "points": 66,
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{
    "zone_id": "discovered_039",
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    "dwell_minutes": 392.3999999999999772626324556767940521240234375,
    "points_in_zone": 67,
    "first_point": {
        "ts": "2026-09-06T06:52:49+00:00",
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    "last_point": {
        "ts": "2026-09-06T13:25:11+00:00",
        "lat": 34.70971329999999710480551584623754024505615234375,
        "lon": 33.32295669999999887522790231741964817047119140625
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{
    "radius_m": 7.70000000000000017763568394002504646778106689453125,
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    "points": 67,
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}

{
    "vessel_a": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
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    "avg_distance_m": 95.900000000000005684341886080801486968994140625,
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    "duration_minutes": 42,
    "overlap_duration_s": 2520,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.57999999999999996003197111349436454474925994873046875,
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    "speed_summary": {
        "vessel_a": {
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    },
    "time_window": {
        "start": "2026-09-06T06:49:50+00:00",
        "end": "2026-09-06T07:31:50+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 64,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 96m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 42 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both very slow; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b135m"
            },
            "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 (ARDMORE ENTERPRISE and NAVIG8 EXPRESS) maintained close proximity (min 68m, avg 96m) for 42 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.6 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": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 67.599999999999994315658113919198513031005859375,
    "avg_distance_m": 74.5,
    "distance_consistency_m": 13.199999999999999289457264239899814128875732421875,
    "duration_minutes": 135.599999999999994315658113919198513031005859375,
    "overlap_duration_s": 8133,
    "speed_a_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_a_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.059999999999999997779553950749686919152736663818359375,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-06T05:10:30+00:00",
        "end": "2026-09-06T07:26:03+00:00"
    },
    "points_count": {
        "vessel_a": 29,
        "vessel_b": 29
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 74m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 136 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: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 68m, avg 74m) for 136 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": 34.70991670000000084428393165580928325653076171875,
            "lon": 33.32266340000000326426743413321673870086669921875
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        "time_window": {
            "start_ts": "2026-09-06T05:10:30+00:00",
            "end_ts": "2026-09-06T07:26:03+00:00"
        },
        "searched_at": "2026-09-06T11:45:01.708892+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
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        "lon": 33.3229867000000012922100722789764404296875
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}

{
    "radius_m": 7.79999999999999982236431605997495353221893310546875,
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    "centroid": {
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{
    "vessel_a": {
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        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "min_distance_m": 65.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 73.599999999999994315658113919198513031005859375,
    "distance_consistency_m": 12.300000000000000710542735760100185871124267578125,
    "duration_minutes": 198.599999999999994315658113919198513031005859375,
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    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
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        "vessel_b": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-06T04:07:30+00:00",
        "end": "2026-09-06T07:26:03+00:00"
    },
    "points_count": {
        "vessel_a": 34,
        "vessel_b": 34
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 74m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 199 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: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 66m, avg 74m) for 199 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": {
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            "start_ts": "2026-09-06T04:07:30+00:00",
            "end_ts": "2026-09-06T07:26:03+00:00"
        },
        "searched_at": "2026-09-06T10:45:01.494120+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
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        "lon": 33.32296170000000046229615691117942333221435546875
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}

{
    "radius_m": 9.5999999999999996447286321199499070644378662109375,
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{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 73.5,
    "distance_consistency_m": 11.5,
    "duration_minutes": 258.6000000000000227373675443232059478759765625,
    "overlap_duration_s": 15515,
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    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
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    },
    "time_window": {
        "start": "2026-09-06T03:07:28+00:00",
        "end": "2026-09-06T07:26:03+00:00"
    },
    "points_count": {
        "vessel_a": 39,
        "vessel_b": 39
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 74m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 259 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: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 66m, avg 74m) for 259 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": {
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        "time_window": {
            "start_ts": "2026-09-06T03:07:28+00:00",
            "end_ts": "2026-09-06T07:26:03+00:00"
        },
        "searched_at": "2026-09-06T08:45:10.697313+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": 79,
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    "last_point": {
        "ts": "2026-09-06T10:16:47+00:00",
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        "lon": 33.32295669999999887522790231741964817047119140625
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}

{
    "radius_m": 9.4000000000000003552713678800500929355621337890625,
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    "points": 79,
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{
    "vessel_a": {
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        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
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        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
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    "time_window": {
        "start": "2026-09-06T02:28:24+00:00",
        "end": "2026-09-06T07:26:03+00:00"
    },
    "points_count": {
        "vessel_a": 40,
        "vessel_b": 40
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 74m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 298 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b111m"
            },
            "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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 66m, avg 74m) for 298 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 77,
    "first_point": {
        "ts": "2026-09-06T02:55:48+00:00",
        "lat": 34.70972499999999882902557146735489368438720703125,
        "lon": 33.32296670000000204936441150493919849395751953125
    },
    "last_point": {
        "ts": "2026-09-06T09:25:47+00:00",
        "lat": 34.70971829999999869187377043999731540679931640625,
        "lon": 33.32295169999999728815964772365987300872802734375
    }
}

{
    "radius_m": 9.5,
    "duration_minutes": 390,
    "points": 77,
    "centroid": {
        "lat": 34.7096995441558391348735312931239604949951171875,
        "lon": 33.322956388311695263837464153766632080078125
    },
    "bbox": {
        "min_lat": 34.709620000000001027729013003408908843994140625,
        "min_lon": 33.3228950000000025966073735617101192474365234375,
        "max_lat": 34.70975829999999717756509198807179927825927734375,
        "max_lon": 33.32299330000000026075213099829852581024169921875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 566030000,
        "imo": 9431288,
        "name": "MAERSK KAYA",
        "flag": "SINGAPORE"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 3,
    "avg_distance_m": 11.300000000000000710542735760100185871124267578125,
    "distance_consistency_m": 4.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 32,
    "overlap_duration_s": 1921,
    "speed_a_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_a_std": 0.200000000000000011102230246251565404236316680908203125,
    "speed_b_avg": 0.11000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.59999999999999997779553950749686919152736663818359375
        },
        "vessel_b": {
            "avg_sog": 0.11000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-09-06T01:26:55+00:00",
        "end": "2026-09-06T01:58:56+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 3m, avg 11m"
            },
            "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 \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (MAERSK KAYA and ARDMORE ENTERPRISE) maintained close proximity (min 3m, avg 11m) for 32 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 Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717110600000001596754373167641460895538330078125,
            "lon": 35.9993534999999980072971084155142307281494140625
        },
        "time_window": {
            "start_ts": "2026-09-06T01:26:55+00:00",
            "end_ts": "2026-09-06T01:58:56+00:00"
        },
        "searched_at": "2026-09-06T02:45:12.514507+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 325896057,
        "name": "RINA",
        "flag": "DOMINICA"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 3.100000000000000088817841970012523233890533447265625,
    "avg_distance_m": 8.800000000000000710542735760100185871124267578125,
    "distance_consistency_m": 3.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 36,
    "overlap_duration_s": 2159,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_std": 0.190000000000000002220446049250313080847263336181640625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-09-06T01:26:50+00:00",
        "end": "2026-09-06T02:02:49+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 3m, avg 9m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 36 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: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (RINA and ARDMORE ENTERPRISE) maintained close proximity (min 3m, avg 9m) for 36 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 Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717094800000001697526386124081909656524658203125,
            "lon": 35.99935239999999936344465822912752628326416015625
        },
        "time_window": {
            "start_ts": "2026-09-06T01:26:50+00:00",
            "end_ts": "2026-09-06T02:02:49+00:00"
        },
        "searched_at": "2026-09-06T02:45:04.588054+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636015372,
        "imo": 9611541,
        "name": "THALIA",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 0.90000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 24.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 46.10000000000000142108547152020037174224853515625,
    "duration_minutes": 38.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2291,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.11000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0.1600000000000000033306690738754696212708950042724609375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.11000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-09-06T01:24:02+00:00",
        "end": "2026-09-06T02:02:13+00:00"
    },
    "points_count": {
        "vessel_a": 14,
        "vessel_b": 14
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 72,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 24m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 38 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b146m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (THALIA and ARDMORE ENTERPRISE) maintained close proximity (min 1m, avg 24m) for 38 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 Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.71709200000000095087671070359647274017333984375,
            "lon": 35.9994382000000001653461367823183536529541015625
        },
        "time_window": {
            "start_ts": "2026-09-06T01:24:02+00:00",
            "end_ts": "2026-09-06T02:02:13+00:00"
        },
        "searched_at": "2026-09-06T02:45:07.581941+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 3.600000000000000088817841970012523233890533447265625,
    "avg_distance_m": 12.300000000000000710542735760100185871124267578125,
    "distance_consistency_m": 5.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 37.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 2240,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_b_std": 0.200000000000000011102230246251565404236316680908203125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.1499999999999999944488848768742172978818416595458984375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-09-06T01:23:21+00:00",
        "end": "2026-09-06T02:00:41+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 4m, avg 12m"
            },
            "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 \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (YANBU and ARDMORE ENTERPRISE) maintained close proximity (min 4m, avg 12m) for 37 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 Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.71712099999999878718881518580019474029541015625,
            "lon": 35.99936960000000141235432238318026065826416015625
        },
        "time_window": {
            "start_ts": "2026-09-06T01:23:21+00:00",
            "end_ts": "2026-09-06T02:00:41+00:00"
        },
        "searched_at": "2026-09-06T02:45:10.069061+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 68.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3,
    "duration_minutes": 63,
    "overlap_duration_s": 3779,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-06T00:14:35+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 68m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 63 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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 68m) for 63 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": 34.709918299999998225757735781371593475341796875,
            "lon": 33.3226542000000023335815058089792728424072265625
        },
        "time_window": {
            "start_ts": "2026-09-06T00:14:35+00:00",
            "end_ts": "2026-09-06T01:17:34+00:00"
        },
        "searched_at": "2026-09-06T06:45:01.376524+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": 73.2000000000000028421709430404007434844970703125,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-09-06T00:07:30+00:00",
        "lat": 34.7096599999999995134203345514833927154541015625,
        "lon": 33.32295669999999887522790231741964817047119140625
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
    }
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 69.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 125.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 7556,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-05T23:11:38+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 126 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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 126 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": 34.70991360000000014451870811171829700469970703125,
            "lon": 33.32265749999999826513885636813938617706298828125
        },
        "time_window": {
            "start_ts": "2026-09-05T23:11:38+00:00",
            "end_ts": "2026-09-06T01:17:34+00:00"
        },
        "searched_at": "2026-09-06T06:00:02.220934+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": 133.19999999999998863131622783839702606201171875,
    "points_in_zone": 21,
    "first_point": {
        "ts": "2026-09-05T23:07:29+00:00",
        "lat": 34.70972669999999737910911790095269680023193359375,
        "lon": 33.3229850000000027421265258453786373138427734375
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
    }
}

{
    "radius_m": 5.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 111,
    "points": 16,
    "centroid": {
        "lat": 34.709704275000007100970833562314510345458984375,
        "lon": 33.32294802499999519795892410911619663238525390625
    },
    "bbox": {
        "min_lat": 34.7096599999999995134203345514833927154541015625,
        "min_lon": 33.3229232999999993580786394886672496795654296875,
        "max_lat": 34.7097449999999980718712322413921356201171875,
        "max_lon": 33.3229850000000027421265258453786373138427734375
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 70,
    "distance_consistency_m": 2.5,
    "duration_minutes": 179.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 10797,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-05T22:17:37+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 180 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 180 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70991240000000033205651561729609966278076171875,
            "lon": 33.3226580999999981713699526153504848480224609375
        },
        "time_window": {
            "start_ts": "2026-09-05T22:17:37+00:00",
            "end_ts": "2026-09-06T01:17:34+00:00"
        },
        "searched_at": "2026-09-06T04:45:10.375124+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": 199.19999999999998863131622783839702606201171875,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-09-05T22:01:29+00:00",
        "lat": 34.70969000000000193040250451304018497467041015625,
        "lon": 33.32296000000000191221261047758162021636962890625
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
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}

{
    "radius_m": 5.5,
    "duration_minutes": 177,
    "points": 26,
    "centroid": {
        "lat": 34.70970083076923629050725139677524566650390625,
        "lon": 33.3229502576923124479435500688850879669189453125
    },
    "bbox": {
        "min_lat": 34.7096599999999995134203345514833927154541015625,
        "min_lon": 33.3229232999999993580786394886672496795654296875,
        "max_lat": 34.7097449999999980718712322413921356201171875,
        "max_lon": 33.3229850000000027421265258453786373138427734375
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 70.5,
    "distance_consistency_m": 2.5,
    "duration_minutes": 245.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 14755,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-05T21:11:39+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) 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."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70991149999999691999619244597852230072021484375,
            "lon": 33.3226609999999965339156915433704853057861328125
        },
        "time_window": {
            "start_ts": "2026-09-05T21:11:39+00:00",
            "end_ts": "2026-09-06T01:17:34+00:00"
        },
        "searched_at": "2026-09-06T03:15:16.500739+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": 259.19999999999998863131622783839702606201171875,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-09-05T21:01:26+00:00",
        "lat": 34.7097399999999964848029776476323604583740234375,
        "lon": 33.32294329999999860092430026270449161529541015625
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
    }
}

{
    "radius_m": 10.199999999999999289457264239899814128875732421875,
    "duration_minutes": 237.099999999999994315658113919198513031005859375,
    "points": 36,
    "centroid": {
        "lat": 34.709706247222214869907475076615810394287109375,
        "lon": 33.32295717499999909705366007983684539794921875
    },
    "bbox": {
        "min_lat": 34.7096599999999995134203345514833927154541015625,
        "min_lon": 33.3229232999999993580786394886672496795654296875,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.32303499999999729652699897997081279754638671875
    },
    "zone_id": "discovered_039"
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 316.19999999999998863131622783839702606201171875,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-09-05T20:04:26+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229400000000026693669497035443782806396484375
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
    }
}

{
    "radius_m": 10.300000000000000710542735760100185871124267578125,
    "duration_minutes": 294.1000000000000227373675443232059478759765625,
    "points": 45,
    "centroid": {
        "lat": 34.709703962222221207412076182663440704345703125,
        "lon": 33.32295800000000696172719472087919712066650390625
    },
    "bbox": {
        "min_lat": 34.70965000000000344471118296496570110321044921875,
        "min_lon": 33.3229232999999993580786394886672496795654296875,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.32303499999999729652699897997081279754638671875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 70.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 2.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 314.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 18897,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-05T20:02:37+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 315 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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 315 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": 34.70991070000000178197296918369829654693603515625,
            "lon": 33.3226609999999965339156915433704853057861328125
        },
        "time_window": {
            "start_ts": "2026-09-05T20:02:37+00:00",
            "end_ts": "2026-09-06T01:17:34+00:00"
        },
        "searched_at": "2026-09-06T03:00:04.204879+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 70.5,
    "distance_consistency_m": 2.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 372,
    "overlap_duration_s": 22321,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-05T19:05:33+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 33,
        "vessel_b": 33
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 372 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 372 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.70990960000000313812051899731159210205078125,
            "lon": 33.32266179999999877736627240665256977081298828125
        },
        "time_window": {
            "start_ts": "2026-09-05T19:05:33+00:00",
            "end_ts": "2026-09-06T01:17:34+00:00"
        },
        "searched_at": "2026-09-06T01:45:15.664019+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": 379.19999999999998863131622783839702606201171875,
    "points_in_zone": 59,
    "first_point": {
        "ts": "2026-09-05T19:01:26+00:00",
        "lat": 34.70967830000000020618244889192283153533935546875,
        "lon": 33.3229682999999994308382156305015087127685546875
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
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}

{
    "radius_m": 10.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 357.1000000000000227373675443232059478759765625,
    "points": 54,
    "centroid": {
        "lat": 34.70970277777777113215051940642297267913818359375,
        "lon": 33.32295861111112600383421522565186023712158203125
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    "bbox": {
        "min_lat": 34.70965000000000344471118296496570110321044921875,
        "min_lon": 33.3229232999999993580786394886672496795654296875,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
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    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 65.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 70.5,
    "distance_consistency_m": 2.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 384.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 23044,
    "speed_a_avg": 0,
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    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0
        },
        "vessel_b": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-05T18:53:30+00:00",
        "end": "2026-09-06T01:17:34+00:00"
    },
    "points_count": {
        "vessel_a": 36,
        "vessel_b": 36
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 70m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 384 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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 65m, avg 70m) for 384 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 388.19999999999998863131622783839702606201171875,
    "points_in_zone": 62,
    "first_point": {
        "ts": "2026-09-05T18:52:27+00:00",
        "lat": 34.70971999999999724195731687359511852264404296875,
        "lon": 33.3229716999999965310053084976971149444580078125
    },
    "last_point": {
        "ts": "2026-09-06T01:20:41+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229816999999997051418176852166652679443359375
    }
}

{
    "radius_m": 10.300000000000000710542735760100185871124267578125,
    "duration_minutes": 384,
    "points": 60,
    "centroid": {
        "lat": 34.709703583333322285398025996983051300048828125,
        "lon": 33.3229578050000014854958862997591495513916015625
    },
    "bbox": {
        "min_lat": 34.70965000000000344471118296496570110321044921875,
        "min_lon": 33.32291000000000025238477974198758602142333984375,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.32303499999999729652699897997081279754638671875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 67.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 71.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 360,
    "overlap_duration_s": 21599,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-05T17:59:35+00:00",
        "end": "2026-09-05T23:59:34+00:00"
    },
    "points_count": {
        "vessel_a": 36,
        "vessel_b": 36
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 67m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 360 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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 67m, avg 71m) for 360 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 56,
    "first_point": {
        "ts": "2026-09-05T17:37:26+00:00",
        "lat": 34.70968669999999889341779635287821292877197265625,
        "lon": 33.3229467000000028065187507309019565582275390625
    },
    "last_point": {
        "ts": "2026-09-06T00:07:30+00:00",
        "lat": 34.7096599999999995134203345514833927154541015625,
        "lon": 33.32295669999999887522790231741964817047119140625
    }
}

{
    "radius_m": 10.300000000000000710542735760100185871124267578125,
    "duration_minutes": 390.1000000000000227373675443232059478759765625,
    "points": 56,
    "centroid": {
        "lat": 34.70970181785713037925233948044478893280029296875,
        "lon": 33.32296044821428182558520347811281681060791015625
    },
    "bbox": {
        "min_lat": 34.70964169999999882065822021104395389556884765625,
        "min_lon": 33.32291000000000025238477974198758602142333984375,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.32303499999999729652699897997081279754638671875
    },
    "zone_id": "discovered_039"
}

{
    "vessel_a": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "vessel_b": {
        "mmsi": 538005092,
        "imo": 9654555,
        "name": "ARDMORE ENTERPRISE",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 69.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 72.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 87,
    "overlap_duration_s": 5217,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-05T16:08:34+00:00",
        "end": "2026-09-05T17:35:31+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 69m, avg 72m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 87 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 (NAVIG8 EXPRESS and ARDMORE ENTERPRISE) maintained close proximity (min 69m, avg 72m) for 87 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": 34.7099127999999979010681272484362125396728515625,
            "lon": 33.32266510000000181435098056681454181671142578125
        },
        "time_window": {
            "start_ts": "2026-09-05T16:08:34+00:00",
            "end_ts": "2026-09-05T17:35:31+00:00"
        },
        "searched_at": "2026-09-05T22:15:07.171253+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-09-05T16:49:26+00:00",
        "lat": 34.70969170000000048048605094663798809051513671875,
        "lon": 33.32300000000000039790393202565610408782958984375
    },
    "last_point": {
        "ts": "2026-09-05T23:19:30+00:00",
        "lat": 34.70968669999999889341779635287821292877197265625,
        "lon": 33.32295669999999887522790231741964817047119140625
    }
}

{
    "radius_m": 10.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 390.1000000000000227373675443232059478759765625,
    "points": 58,
    "centroid": {
        "lat": 34.70970040344826657019439153373241424560546875,
        "lon": 33.322962125862062521264306269586086273193359375
    },
    "bbox": {
        "min_lat": 34.70964169999999882065822021104395389556884765625,
        "min_lon": 33.32291000000000025238477974198758602142333984375,
        "max_lat": 34.70977169999999745186869404278695583343505859375,
        "max_lon": 33.32303499999999729652699897997081279754638671875
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    "zone_id": "discovered_039"
}

{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-09-05T15:55:26+00:00",
        "lat": 34.709710000000001173248165287077426910400390625,
        "lon": 33.3229467000000028065187507309019565582275390625
    },
    "last_point": {
        "ts": "2026-09-05T22:28:26+00:00",
        "lat": 34.70971329999999710480551584623754024505615234375,
        "lon": 33.3229682999999994308382156305015087127685546875
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}