TM HAI HA 568

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 163.099999999999994315658113919198513031005859375,
    "points_in_zone": 34,
    "first_point": {
        "ts": "2026-09-15T08:48:41+00:00",
        "lat": 31.518899999999998584598870365880429744720458984375,
        "lon": 32.40046670000000261779860011301934719085693359375
    },
    "last_point": {
        "ts": "2026-09-15T11:31:49+00:00",
        "lat": 31.51887669999999985748218023218214511871337890625,
        "lon": 32.4005300000000033833202905952930450439453125
    }
}

{
    "radius_m": 20.39999999999999857891452847979962825775146484375,
    "duration_minutes": 163.099999999999994315658113919198513031005859375,
    "points": 34,
    "centroid": {
        "lat": 31.5189381411764628637683927081525325775146484375,
        "lon": 32.4003273558823394751016166992485523223876953125
    },
    "bbox": {
        "min_lat": 31.51887669999999985748218023218214511871337890625,
        "min_lon": 32.4001700000000028012436814606189727783203125,
        "max_lat": 31.518996699999998867269823676906526088714599609375,
        "max_lon": 32.4005300000000033833202905952930450439453125
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 391.5,
    "points_in_zone": 16,
    "first_point": {
        "ts": "2026-09-15T03:12:00+00:00",
        "lat": 31.518899999999998584598870365880429744720458984375,
        "lon": 32.40111329999999867368387640453875064849853515625
    },
    "last_point": {
        "ts": "2026-09-15T09:43:29+00:00",
        "lat": 31.51895329999999972869773046113550662994384765625,
        "lon": 32.4003067000000015696059563197195529937744140625
    }
}

{
    "radius_m": 67.7000000000000028421709430404007434844970703125,
    "duration_minutes": 391.5,
    "points": 16,
    "centroid": {
        "lat": 31.51894043124999456040313816629350185394287109375,
        "lon": 32.40040208750000516602085554040968418121337890625
    },
    "bbox": {
        "min_lat": 31.518899999999998584598870365880429744720458984375,
        "min_lon": 32.40028000000000218960849451832473278045654296875,
        "max_lat": 31.518976699999999624424162902869284152984619140625,
        "max_lon": 32.40111329999999867368387640453875064849853515625
    },
    "zone_id": "discovered_167"
}

{
    "radius_m": 74.7000000000000028421709430404007434844970703125,
    "duration_minutes": 397.30000000000001136868377216160297393798828125,
    "points": 12,
    "centroid": {
        "lat": 31.518939183333340992021476267836987972259521484375,
        "lon": 32.4005202833333356693401583470404148101806640625
    },
    "bbox": {
        "min_lat": 31.518899999999998584598870365880429744720458984375,
        "min_lon": 32.4002966999999983954694471322000026702880859375,
        "max_lat": 31.518976699999999624424162902869284152984619140625,
        "max_lon": 32.40130669999999923902578302659094333648681640625
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 397.30000000000001136868377216160297393798828125,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-09-15T02:50:40+00:00",
        "lat": 31.5189467000000007601556717418134212493896484375,
        "lon": 32.40130669999999923902578302659094333648681640625
    },
    "last_point": {
        "ts": "2026-09-15T09:27:59+00:00",
        "lat": 31.51895999999999986584953148849308490753173828125,
        "lon": 32.4002966999999983954694471322000026702880859375
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 131.69999999999998863131622783839702606201171875,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-09-15T01:00:19+00:00",
        "lat": 31.518896699999999100327841006219387054443359375,
        "lon": 32.40126670000000075333446147851645946502685546875
    },
    "last_point": {
        "ts": "2026-09-15T03:12:00+00:00",
        "lat": 31.518899999999998584598870365880429744720458984375,
        "lon": 32.40111329999999867368387640453875064849853515625
    }
}

{
    "radius_m": 13.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 131.69999999999998863131622783839702606201171875,
    "points": 23,
    "centroid": {
        "lat": 31.5189182652173940368811599910259246826171875,
        "lon": 32.4011691304347806408259202726185321807861328125
    },
    "bbox": {
        "min_lat": 31.518853299999999961755747790448367595672607421875,
        "min_lon": 32.4010999999999995679900166578590869903564453125,
        "max_lat": 31.518976699999999624424162902869284152984619140625,
        "max_lon": 32.40130669999999923902578302659094333648681640625
    },
    "zone_id": "discovered_167"
}

{
    "radius_m": 92.2000000000000028421709430404007434844970703125,
    "duration_minutes": 177.69999999999998863131622783839702606201171875,
    "points": 33,
    "centroid": {
        "lat": 31.518963536363632016445990302599966526031494140625,
        "lon": 32.40104020000000417667251895181834697723388671875
    },
    "bbox": {
        "min_lat": 31.518853299999999961755747790448367595672607421875,
        "min_lon": 32.400069999999999481588019989430904388427734375,
        "max_lat": 31.519603299999999990177457220852375030517578125,
        "max_lon": 32.40130669999999923902578302659094333648681640625
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 191.5,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-09-15T00:00:29+00:00",
        "lat": 31.515266700000001520720616099424660205841064453125,
        "lon": 32.39149330000000048812580644153058528900146484375
    },
    "last_point": {
        "ts": "2026-09-15T03:12:00+00:00",
        "lat": 31.518899999999998584598870365880429744720458984375,
        "lon": 32.40111329999999867368387640453875064849853515625
    }
}

{
    "radius_m": 1575.5,
    "duration_minutes": 199.900000000000005684341886080801486968994140625,
    "points": 37,
    "centroid": {
        "lat": 31.51843468648649349006518605165183544158935546875,
        "lon": 32.39986756486486996209350763820111751556396484375
    },
    "bbox": {
        "min_lat": 31.510709999999999553210727754049003124237060546875,
        "min_lon": 32.38594669999999808851498528383672237396240234375,
        "max_lat": 31.519603299999999990177457220852375030517578125,
        "max_lon": 32.40130669999999923902578302659094333648681640625
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 223.599999999999994315658113919198513031005859375,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-09-14T23:28:26+00:00",
        "lat": 31.507266699999998849079929641447961330413818359375,
        "lon": 32.38481329999999758229023427702486515045166015625
    },
    "last_point": {
        "ts": "2026-09-15T03:12:00+00:00",
        "lat": 31.518899999999998584598870365880429744720458984375,
        "lon": 32.40111329999999867368387640453875064849853515625
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 392.3999999999999772626324556767940521240234375,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-09-14T17:31:17+00:00",
        "lat": 31.507233299999999331930666812695562839508056640625,
        "lon": 32.38527330000000148402250488288700580596923828125
    },
    "last_point": {
        "ts": "2026-09-15T00:03:38+00:00",
        "lat": 31.5167900000000003046807250939309597015380859375,
        "lon": 32.39395999999999986584953148849308490753173828125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 90.099999999999994315658113919198513031005859375,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-09-14T16:01:11+00:00",
        "lat": 31.507400000000000517275111633352935314178466796875,
        "lon": 32.38555999999999812644091434776782989501953125
    },
    "last_point": {
        "ts": "2026-09-14T17:31:17+00:00",
        "lat": 31.507233299999999331930666812695562839508056640625,
        "lon": 32.38527330000000148402250488288700580596923828125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 98.900000000000005684341886080801486968994140625,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-09-14T15:52:23+00:00",
        "lat": 31.507316700000000508907760377041995525360107421875,
        "lon": 32.3854299999999994952304405160248279571533203125
    },
    "last_point": {
        "ts": "2026-09-14T17:31:17+00:00",
        "lat": 31.507233299999999331930666812695562839508056640625,
        "lon": 32.38527330000000148402250488288700580596923828125
    }
}

{
    "vessel_a": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "min_distance_m": 47.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 56.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 5.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 34,
    "overlap_duration_s": 2038,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-14T15:48:36+00:00",
        "end": "2026-09-14T16:22:34+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 48m, avg 57m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 34 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SPHERE and TM HAI HA 568) maintained close proximity (min 48m, avg 57m) for 34 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.507193499999999630745151080191135406494140625,
            "lon": 32.38526379999999704750734963454306125640869140625
        },
        "time_window": {
            "start_ts": "2026-09-14T15:48:36+00:00",
            "end_ts": "2026-09-14T16:22:34+00:00"
        },
        "searched_at": "2026-09-14T17:45:02.196468+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 53.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 56.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.5,
    "duration_minutes": 189,
    "overlap_duration_s": 11340,
    "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": "2026-09-14T14:22:17+00:00",
        "end": "2026-09-14T17:31:17+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 54m, avg 57m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 189 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 54m, avg 57m) for 189 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.50721419999999994843165040947496891021728515625,
            "lon": 32.38534010000000051832103054039180278778076171875
        },
        "time_window": {
            "start_ts": "2026-09-14T14:22:17+00:00",
            "end_ts": "2026-09-14T17:31:17+00:00"
        },
        "searched_at": "2026-09-14T21:00:01.495237+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 204,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-09-14T14:07:16+00:00",
        "lat": 31.507483300000000525642462889663875102996826171875,
        "lon": 32.3858000000000032514435588382184505462646484375
    },
    "last_point": {
        "ts": "2026-09-14T17:31:17+00:00",
        "lat": 31.507233299999999331930666812695562839508056640625,
        "lon": 32.38527330000000148402250488288700580596923828125
    }
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 49.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 55.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 3.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 255.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 15308,
    "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": "2026-09-14T13:16:09+00:00",
        "end": "2026-09-14T17:31:17+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 50m, avg 55m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 255 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 50m, avg 55m) for 255 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 266.8999999999999772626324556767940521240234375,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-09-14T13:04:26+00:00",
        "lat": 31.507633299999998399698597495444118976593017578125,
        "lon": 32.38600999999999885403667576611042022705078125
    },
    "last_point": {
        "ts": "2026-09-14T17:31:17+00:00",
        "lat": 31.507233299999999331930666812695562839508056640625,
        "lon": 32.38527330000000148402250488288700580596923828125
    }
}

{
    "radius_m": 46.89999999999999857891452847979962825775146484375,
    "duration_minutes": 266.8999999999999772626324556767940521240234375,
    "points": 10,
    "centroid": {
        "lat": 31.50745098999999527222826145589351654052734375,
        "lon": 32.38569632999999470257534994743764400482177734375
    },
    "bbox": {
        "min_lat": 31.507233299999999331930666812695562839508056640625,
        "min_lon": 32.38527330000000148402250488288700580596923828125,
        "max_lat": 31.507633299999998399698597495444118976593017578125,
        "max_lon": 32.38600999999999885403667576611042022705078125
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 374.8999999999999772626324556767940521240234375,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-09-14T11:16:24+00:00",
        "lat": 31.5076533000000011952579370699822902679443359375,
        "lon": 32.38599330000000264817572315223515033721923828125
    },
    "last_point": {
        "ts": "2026-09-14T17:31:17+00:00",
        "lat": 31.507233299999999331930666812695562839508056640625,
        "lon": 32.38527330000000148402250488288700580596923828125
    }
}

{
    "radius_m": 63.2999999999999971578290569595992565155029296875,
    "duration_minutes": 374.8999999999999772626324556767940521240234375,
    "points": 14,
    "centroid": {
        "lat": 31.50754284285714135194211849011480808258056640625,
        "lon": 32.3858330928571405138427508063614368438720703125
    },
    "bbox": {
        "min_lat": 31.507233299999999331930666812695562839508056640625,
        "min_lon": 32.38527330000000148402250488288700580596923828125,
        "max_lat": 31.507883299999999593410393572412431240081787109375,
        "max_lon": 32.3863367000000010875737643800675868988037109375
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 371.8999999999999772626324556767940521240234375,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-09-14T10:10:22+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38580329999999918300090939737856388092041015625
    },
    "last_point": {
        "ts": "2026-09-14T16:22:17+00:00",
        "lat": 31.507343299999998720295479870401322841644287109375,
        "lon": 32.3854467000000028065187507309019565582275390625
    }
}

{
    "radius_m": 59.89999999999999857891452847979962825775146484375,
    "duration_minutes": 371.8999999999999772626324556767940521240234375,
    "points": 20,
    "centroid": {
        "lat": 31.50755766500000021324012777768075466156005859375,
        "lon": 32.3858169950000132075729197822511196136474609375
    },
    "bbox": {
        "min_lat": 31.507316700000000508907760377041995525360107421875,
        "min_lon": 32.3854299999999994952304405160248279571533203125,
        "max_lat": 31.507883299999999593410393572412431240081787109375,
        "max_lon": 32.3863367000000010875737643800675868988037109375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 47.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 54.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 4.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 353.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 21233,
    "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": "2026-09-14T10:28:24+00:00",
        "end": "2026-09-14T16:22:17+00:00"
    },
    "points_count": {
        "vessel_a": 16,
        "vessel_b": 16
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 47m, avg 55m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 354 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 47m, avg 55m) for 354 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 312.19999999999998863131622783839702606201171875,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-09-14T09:16:15+00:00",
        "lat": 31.507600000000000051159076974727213382720947265625,
        "lon": 32.38582670000000263144102063961327075958251953125
    },
    "last_point": {
        "ts": "2026-09-14T14:28:26+00:00",
        "lat": 31.5075199999999995270627550780773162841796875,
        "lon": 32.38582670000000263144102063961327075958251953125
    }
}

{
    "radius_m": 53.10000000000000142108547152020037174224853515625,
    "duration_minutes": 312.19999999999998863131622783839702606201171875,
    "points": 18,
    "centroid": {
        "lat": 31.50759407222221852862276136875152587890625,
        "lon": 32.385873883333346157087362371385097503662109375
    },
    "bbox": {
        "min_lat": 31.507470000000001419948603142984211444854736328125,
        "min_lon": 32.38559670000000068057488533668220043182373046875,
        "max_lat": 31.507883299999999593410393572412431240081787109375,
        "max_lon": 32.3863367000000010875737643800675868988037109375
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 390.19999999999998863131622783839702606201171875,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-09-14T03:58:12+00:00",
        "lat": 31.507903299999998836256054346449673175811767578125,
        "lon": 32.3862333000000006677510100416839122772216796875
    },
    "last_point": {
        "ts": "2026-09-14T10:28:24+00:00",
        "lat": 31.507496700000000799946064944379031658172607421875,
        "lon": 32.38563330000000206609911401756107807159423828125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 347.80000000000001136868377216160297393798828125,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    },
    "last_point": {
        "ts": "2026-09-14T03:58:12+00:00",
        "lat": 31.507903299999998836256054346449673175811767578125,
        "lon": 32.3862333000000006677510100416839122772216796875
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 60.10000000000000142108547152020037174224853515625,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-09-13T21:10:19+00:00",
        "lat": 31.50753329999999863275661482475697994232177734375,
        "lon": 32.385750000000001591615728102624416351318359375
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 53.10000000000000142108547152020037174224853515625,
    "avg_distance_m": 55.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.5,
    "duration_minutes": 96,
    "overlap_duration_s": 5757,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-13T20:34:27+00:00",
        "end": "2026-09-13T22:10:24+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 53m, avg 56m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 96 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 53m, avg 56m) for 96 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.507353099999999557212504441849887371063232421875,
            "lon": 32.38557420000000064419509726576507091522216796875
        },
        "time_window": {
            "start_ts": "2026-09-13T20:34:27+00:00",
            "end_ts": "2026-09-13T22:10:24+00:00"
        },
        "searched_at": "2026-09-14T01:45:01.456833+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 96,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-09-13T20:34:27+00:00",
        "lat": 31.507503299999999768488123663701117038726806640625,
        "lon": 32.38573000000000234877006732858717441558837890625
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 186,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-09-13T19:04:26+00:00",
        "lat": 31.507600000000000051159076974727213382720947265625,
        "lon": 32.385930000000001882654032669961452484130859375
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 240,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-09-13T18:10:24+00:00",
        "lat": 31.5075633000000010497387847863137722015380859375,
        "lon": 32.38598329999999947403921396471560001373291015625
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 267,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-09-13T17:43:22+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38608330000000279369487543590366840362548828125
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "radius_m": 26.10000000000000142108547152020037174224853515625,
    "duration_minutes": 267,
    "points": 10,
    "centroid": {
        "lat": 31.507579659999993992869349312968552112579345703125,
        "lon": 32.38591932000000639391146251000463962554931640625
    },
    "bbox": {
        "min_lat": 31.5074800000000010413714335300028324127197265625,
        "min_lon": 32.38566999999999751480572740547358989715576171875,
        "max_lat": 31.50763669999999905257936916314065456390380859375,
        "max_lon": 32.38608330000000279369487543590366840362548828125
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 48,
    "avg_distance_m": 55,
    "distance_consistency_m": 4.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 267,
    "overlap_duration_s": 16022,
    "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": "2026-09-13T17:43:22+00:00",
        "end": "2026-09-13T22:10:24+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 48m, avg 55m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 267 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 48m, avg 55m) for 267 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 366.1000000000000227373675443232059478759765625,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-09-13T16:04:16+00:00",
        "lat": 31.50772669999999919809852144680917263031005859375,
        "lon": 32.38617670000000003938112058676779270172119140625
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "radius_m": 33.89999999999999857891452847979962825775146484375,
    "duration_minutes": 366.1000000000000227373675443232059478759765625,
    "points": 15,
    "centroid": {
        "lat": 31.50761221999999861509422771632671356201171875,
        "lon": 32.38599199333332734340729075483977794647216796875
    },
    "bbox": {
        "min_lat": 31.5074800000000010413714335300028324127197265625,
        "min_lon": 32.38566999999999751480572740547358989715576171875,
        "max_lat": 31.50772669999999919809852144680917263031005859375,
        "max_lon": 32.38617670000000003938112058676779270172119140625
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 16,
    "first_point": {
        "ts": "2026-09-13T15:40:26+00:00",
        "lat": 31.507639999999998536850398522801697254180908203125,
        "lon": 32.38611670000000231084413826465606689453125
    },
    "last_point": {
        "ts": "2026-09-13T22:10:24+00:00",
        "lat": 31.50763669999999905257936916314065456390380859375,
        "lon": 32.38593999999999795136318425647914409637451171875
    }
}

{
    "radius_m": 34.7000000000000028421709430404007434844970703125,
    "duration_minutes": 390,
    "points": 16,
    "centroid": {
        "lat": 31.507613956249997499980963766574859619140625,
        "lon": 32.38599978749999763749656267464160919189453125
    },
    "bbox": {
        "min_lat": 31.5074800000000010413714335300028324127197265625,
        "min_lon": 32.38566999999999751480572740547358989715576171875,
        "max_lat": 31.50772669999999919809852144680917263031005859375,
        "max_lon": 32.38617670000000003938112058676779270172119140625
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "min_distance_m": 32.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 41.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 12.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 38.60000000000000142108547152020037174224853515625,
    "overlap_duration_s": 2319,
    "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": "2026-09-13T15:33:32+00:00",
        "end": "2026-09-13T16:12:11+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 33m, avg 42m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 39 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b112m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SPHERE and TM HAI HA 568) maintained close proximity (min 33m, avg 42m) for 39 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.507424199999999103738446137867867946624755859375,
            "lon": 32.38594359999999738874976173974573612213134765625
        },
        "time_window": {
            "start_ts": "2026-09-13T15:33:32+00:00",
            "end_ts": "2026-09-13T16:12:11+00:00"
        },
        "searched_at": "2026-09-13T17:45:06.519906+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "min_distance_m": 46.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 51.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 30,
    "overlap_duration_s": 1800,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-13T14:12:28+00:00",
        "end": "2026-09-13T14:42:28+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 47m, avg 52m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SPHERE and TM HAI HA 568) maintained close proximity (min 47m, avg 52m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.507456000000001239413904841057956218719482421875,
            "lon": 32.3859635000000025684130378067493438720703125
        },
        "time_window": {
            "start_ts": "2026-09-13T14:12:28+00:00",
            "end_ts": "2026-09-13T14:42:28+00:00"
        },
        "searched_at": "2026-09-13T20:45:01.615528+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 392.69999999999998863131622783839702606201171875,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-09-13T14:04:25+00:00",
        "lat": 31.5076566999999982954250299371778964996337890625,
        "lon": 32.3861500000000006593836587853729724884033203125
    },
    "last_point": {
        "ts": "2026-09-13T20:37:09+00:00",
        "lat": 31.5074800000000010413714335300028324127197265625,
        "lon": 32.38566999999999751480572740547358989715576171875
    }
}

{
    "radius_m": 40,
    "duration_minutes": 392.69999999999998863131622783839702606201171875,
    "points": 20,
    "centroid": {
        "lat": 31.5076295000000072832335717976093292236328125,
        "lon": 32.3860533299999957534964778460562229156494140625
    },
    "bbox": {
        "min_lat": 31.5074800000000010413714335300028324127197265625,
        "min_lon": 32.38566999999999751480572740547358989715576171875,
        "max_lat": 31.50772669999999919809852144680917263031005859375,
        "max_lon": 32.38617670000000003938112058676779270172119140625
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 36.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 53,
    "distance_consistency_m": 6,
    "duration_minutes": 179.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 10796,
    "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": "2026-09-13T13:07:17+00:00",
        "end": "2026-09-13T16:07:13+00:00"
    },
    "points_count": {
        "vessel_a": 11,
        "vessel_b": 11
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 37m, avg 53m"
            },
            "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 \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 37m, avg 53m) 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 357.1000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-09-13T13:07:17+00:00",
        "lat": 31.507850000000001244870873051695525646209716796875,
        "lon": 32.38633999999999701913111493922770023345947265625
    },
    "last_point": {
        "ts": "2026-09-13T19:04:26+00:00",
        "lat": 31.507600000000000051159076974727213382720947265625,
        "lon": 32.385930000000001882654032669961452484130859375
    }
}

{
    "radius_m": 30.800000000000000710542735760100185871124267578125,
    "duration_minutes": 357.1000000000000227373675443232059478759765625,
    "points": 20,
    "centroid": {
        "lat": 31.50765616999999707559254602529108524322509765625,
        "lon": 32.3861083299999990003925631754100322723388671875
    },
    "bbox": {
        "min_lat": 31.50753999999999876990841585211455821990966796875,
        "min_lon": 32.385930000000001882654032669961452484130859375,
        "max_lat": 31.507850000000001244870873051695525646209716796875,
        "max_lon": 32.38633999999999701913111493922770023345947265625
    },
    "zone_id": "discovered_167"
}

{
    "radius_m": 179.80000000000001136868377216160297393798828125,
    "duration_minutes": 395.3999999999999772626324556767940521240234375,
    "points": 18,
    "centroid": {
        "lat": 31.507857227777776643051765859127044677734375,
        "lon": 32.3861588888888860537917935289442539215087890625
    },
    "bbox": {
        "min_lat": 31.50753999999999876990841585211455821990966796875,
        "min_lon": 32.3860432999999972025761962868273258209228515625,
        "max_lat": 31.50947670000000044865373638458549976348876953125,
        "max_lon": 32.38642329999999702749846619553864002227783203125
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 27.699999999999999289457264239899814128875732421875,
    "avg_distance_m": 55.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 14.699999999999999289457264239899814128875732421875,
    "duration_minutes": 303.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 18233,
    "speed_a_avg": 0.1600000000000000033306690738754696212708950042724609375,
    "speed_a_std": 0.40000000000000002220446049250313080847263336181640625,
    "speed_b_avg": 0.190000000000000002220446049250313080847263336181640625,
    "speed_b_std": 0.40000000000000002220446049250313080847263336181640625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1600000000000000033306690738754696212708950042724609375,
            "max_sog": 1.6999999999999999555910790149937383830547332763671875
        },
        "vessel_b": {
            "avg_sog": 0.190000000000000002220446049250313080847263336181640625,
            "max_sog": 1.6999999999999999555910790149937383830547332763671875
        }
    },
    "time_window": {
        "start": "2026-09-13T11:03:20+00:00",
        "end": "2026-09-13T16:07:13+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 28m, avg 56m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 304 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b115m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 28m, avg 56m) for 304 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.508272999999999086639945744536817073822021484375,
            "lon": 32.3860849000000001751686795614659786224365234375
        },
        "time_window": {
            "start_ts": "2026-09-13T11:03:20+00:00",
            "end_ts": "2026-09-13T16:07:13+00:00"
        },
        "searched_at": "2026-09-13T17:00:01.319888+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 395.3999999999999772626324556767940521240234375,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-09-13T11:22:59+00:00",
        "lat": 31.50947670000000044865373638458549976348876953125,
        "lon": 32.3862467000000009420546120963990688323974609375
    },
    "last_point": {
        "ts": "2026-09-13T17:58:25+00:00",
        "lat": 31.50758330000000029258444556035101413726806640625,
        "lon": 32.3860432999999972025761962868273258209228515625
    }
}

{
    "radius_m": 849,
    "duration_minutes": 362.8999999999999772626324556767940521240234375,
    "points": 23,
    "centroid": {
        "lat": 31.50821507391304265865983325056731700897216796875,
        "lon": 32.38683449565218097632168792188167572021484375
    },
    "bbox": {
        "min_lat": 31.50584669999999931633283267728984355926513671875,
        "min_lon": 32.38572330000000221161826630122959613800048828125,
        "max_lat": 31.51018330000000133850335259921848773956298828125,
        "max_lon": 32.39533329999999722303982707671821117401123046875
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 394.80000000000001136868377216160297393798828125,
    "points_in_zone": 34,
    "first_point": {
        "ts": "2026-09-13T10:20:29+00:00",
        "lat": 31.501903299999998608882378903217613697052001953125,
        "lon": 32.43501330000000137943061417900025844573974609375
    },
    "last_point": {
        "ts": "2026-09-13T16:55:14+00:00",
        "lat": 31.507703299999999302372089005075395107269287109375,
        "lon": 32.3861500000000006593836587853729724884033203125
    }
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 273122220,
        "imo": 9323974,
        "name": "SPHERE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 27.699999999999999289457264239899814128875732421875,
    "avg_distance_m": 60,
    "distance_consistency_m": 18.300000000000000710542735760100185871124267578125,
    "duration_minutes": 346.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 20806,
    "speed_a_avg": 0.330000000000000015543122344752191565930843353271484375,
    "speed_a_std": 0.60999999999999998667732370449812151491641998291015625,
    "speed_b_avg": 0.38000000000000000444089209850062616169452667236328125,
    "speed_b_std": 0.61999999999999999555910790149937383830547332763671875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.330000000000000015543122344752191565930843353271484375,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 0.38000000000000000444089209850062616169452667236328125,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-13T09:53:40+00:00",
        "end": "2026-09-13T15:40:26+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 89,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 28m, avg 60m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 347 minutes"
            },
            "speed_stability": {
                "score": 14,
                "max": 20,
                "detail": "both nearly stationary; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b118m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and SPHERE) maintained close proximity (min 28m, avg 60m) for 347 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.4 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 396.19999999999998863131622783839702606201171875,
    "points_in_zone": 43,
    "first_point": {
        "ts": "2026-09-13T09:30:59+00:00",
        "lat": 31.52191669999999845686033950187265872955322265625,
        "lon": 32.43102999999999980218490236438810825347900390625
    },
    "last_point": {
        "ts": "2026-09-13T16:07:13+00:00",
        "lat": 31.50753999999999876990841585211455821990966796875,
        "lon": 32.3860600000000005138645065017044544219970703125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 357.5,
    "points_in_zone": 54,
    "first_point": {
        "ts": "2026-09-13T08:36:39+00:00",
        "lat": 31.53892330000000043810359784401953220367431640625,
        "lon": 32.37264330000000001064108801074326038360595703125
    },
    "last_point": {
        "ts": "2026-09-13T14:34:11+00:00",
        "lat": 31.5076099999999996725819073617458343505859375,
        "lon": 32.38609999999999899955582804977893829345703125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 379.6000000000000227373675443232059478759765625,
    "points_in_zone": 54,
    "first_point": {
        "ts": "2026-09-13T07:53:51+00:00",
        "lat": 31.537756699999999199235389824025332927703857421875,
        "lon": 32.36436669999999793390088598243892192840576171875
    },
    "last_point": {
        "ts": "2026-09-13T14:13:27+00:00",
        "lat": 31.507709999999999439523890032432973384857177734375,
        "lon": 32.38615999999999672809281037189066410064697265625
    }
}

{
    "radius_m": 1048.40000000000009094947017729282379150390625,
    "duration_minutes": 93.7999999999999971578290569595992565155029296875,
    "points": 10,
    "centroid": {
        "lat": 31.536909329999996742799339699558913707733154296875,
        "lon": 32.369101679999999987558112479746341705322265625
    },
    "bbox": {
        "min_lat": 31.532263300000000327827365254051983356475830078125,
        "min_lon": 32.36433670000000262234607362188398838043212890625,
        "max_lat": 31.53892330000000043810359784401953220367431640625,
        "max_lon": 32.3787166999999982408553478308022022247314453125
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-09-13T02:01:08+00:00",
        "lat": 31.537013300000001692069417913444340229034423828125,
        "lon": 32.3641166999999967401890899054706096649169921875
    },
    "last_point": {
        "ts": "2026-09-13T08:36:39+00:00",
        "lat": 31.53892330000000043810359784401953220367431640625,
        "lon": 32.37264330000000001064108801074326038360595703125
    }
}

{
    "vessel_a": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "vessel_b": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "min_distance_m": 48.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 53.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 3.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 42,
    "overlap_duration_s": 2519,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-13T01:02:32+00:00",
        "end": "2026-09-13T01:44:31+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 49m, avg 53m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 42 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (BLUE EMBER and TM HAI HA 568) maintained close proximity (min 49m, avg 53m) for 42 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 398.5,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-09-13T01:20:40+00:00",
        "lat": 31.5370233000000013134922483004629611968994140625,
        "lon": 32.3641532999999981257133185863494873046875
    },
    "last_point": {
        "ts": "2026-09-13T07:59:10+00:00",
        "lat": 31.53770670000000109212123788893222808837890625,
        "lon": 32.3643799999999970395947457291185855865478515625
    }
}

{
    "radius_m": 63.7000000000000028421709430404007434844970703125,
    "duration_minutes": 398.5,
    "points": 18,
    "centroid": {
        "lat": 31.5372007499999966739778756164014339447021484375,
        "lon": 32.36419945555555699456817819736897945404052734375
    },
    "bbox": {
        "min_lat": 31.53696000000000054797055781818926334381103515625,
        "min_lon": 32.36408000000000129148247651755809783935546875,
        "max_lat": 31.537756699999999199235389824025332927703857421875,
        "max_lon": 32.36442000000000263071342487819492816925048828125
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 118.2999999999999971578290569595992565155029296875,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-09-13T00:06:11+00:00",
        "lat": 31.5371999999999985675458447076380252838134765625,
        "lon": 32.36419670000000081699909060262143611907958984375
    },
    "last_point": {
        "ts": "2026-09-13T02:04:30+00:00",
        "lat": 31.5370367000000015877958503551781177520751953125,
        "lon": 32.3641532999999981257133185863494873046875
    }
}

{
    "radius_m": 20.39999999999999857891452847979962825775146484375,
    "duration_minutes": 118.2999999999999971578290569595992565155029296875,
    "points": 17,
    "centroid": {
        "lat": 31.537026482352946032960971933789551258087158203125,
        "lon": 32.36412510588235136310686357319355010986328125
    },
    "bbox": {
        "min_lat": 31.53696000000000054797055781818926334381103515625,
        "min_lon": 32.36408000000000129148247651755809783935546875,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 184.30000000000001136868377216160297393798828125,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-09-12T23:00:10+00:00",
        "lat": 31.5371099999999984220266924239695072174072265625,
        "lon": 32.36413999999999902001945883966982364654541015625
    },
    "last_point": {
        "ts": "2026-09-13T02:04:30+00:00",
        "lat": 31.5370367000000015877958503551781177520751953125,
        "lon": 32.3641532999999981257133185863494873046875
    }
}

{
    "radius_m": 19.300000000000000710542735760100185871124267578125,
    "duration_minutes": 184.30000000000001136868377216160297393798828125,
    "points": 20,
    "centroid": {
        "lat": 31.53703668000000703841578797437250614166259765625,
        "lon": 32.3641263399999985495014698244631290435791015625
    },
    "bbox": {
        "min_lat": 31.53696000000000054797055781818926334381103515625,
        "min_lon": 32.36408000000000129148247651755809783935546875,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 243.19999999999998863131622783839702606201171875,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-09-12T22:01:19+00:00",
        "lat": 31.536943300000000789395926403813064098358154296875,
        "lon": 32.364069999999998117345967330038547515869140625
    },
    "last_point": {
        "ts": "2026-09-13T02:04:30+00:00",
        "lat": 31.5370367000000015877958503551781177520751953125,
        "lon": 32.3641532999999981257133185863494873046875
    }
}

{
    "radius_m": 20.10000000000000142108547152020037174224853515625,
    "duration_minutes": 243.19999999999998863131622783839702606201171875,
    "points": 25,
    "centroid": {
        "lat": 31.5370300080000021125670173205435276031494140625,
        "lon": 32.36412347199999572922024526633322238922119140625
    },
    "bbox": {
        "min_lat": 31.536943300000000789395926403813064098358154296875,
        "min_lon": 32.364069999999998117345967330038547515869140625,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "vessel_b": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "min_distance_m": 50.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 53.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 1.5,
    "duration_minutes": 108,
    "overlap_duration_s": 6480,
    "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": "2026-09-12T21:11:31+00:00",
        "end": "2026-09-12T22:59:31+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 51m, avg 53m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 108 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (BLUE EMBER and TM HAI HA 568) maintained close proximity (min 51m, avg 53m) for 108 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.536745700000000880436346051283180713653564453125,
            "lon": 32.3639107999999993126039044000208377838134765625
        },
        "time_window": {
            "start_ts": "2026-09-12T21:11:31+00:00",
            "end_ts": "2026-09-12T22:59:31+00:00"
        },
        "searched_at": "2026-09-13T03:45:01.895325+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 301.19999999999998863131622783839702606201171875,
    "points_in_zone": 38,
    "first_point": {
        "ts": "2026-09-12T21:03:20+00:00",
        "lat": 31.53696670000000068512235884554684162139892578125,
        "lon": 32.36406670000000218578861677087843418121337890625
    },
    "last_point": {
        "ts": "2026-09-13T02:04:30+00:00",
        "lat": 31.5370367000000015877958503551781177520751953125,
        "lon": 32.3641532999999981257133185863494873046875
    }
}

{
    "radius_m": 26.199999999999999289457264239899814128875732421875,
    "duration_minutes": 301.19999999999998863131622783839702606201171875,
    "points": 38,
    "centroid": {
        "lat": 31.5369830763157779074390418827533721923828125,
        "lon": 32.36408728684210700521362014114856719970703125
    },
    "bbox": {
        "min_lat": 31.536829999999998364046405185945332050323486328125,
        "min_lon": 32.36395999999999872898115427233278751373291015625,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "min_distance_m": 49.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 54.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 100,
    "overlap_duration_s": 6001,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-12T20:25:59+00:00",
        "end": "2026-09-12T22:06:00+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 49m, avg 55m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 100 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and BLUE EMBER) maintained close proximity (min 49m, avg 55m) for 100 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.536677399999998527846400975249707698822021484375,
            "lon": 32.3638576000000028898284654133021831512451171875
        },
        "time_window": {
            "start_ts": "2026-09-12T20:25:59+00:00",
            "end_ts": "2026-09-12T22:06:00+00:00"
        },
        "searched_at": "2026-09-13T02:45:21.421481+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 355.80000000000001136868377216160297393798828125,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-09-12T20:08:40+00:00",
        "lat": 31.53663329999999831443346920423209667205810546875,
        "lon": 32.36379670000000174923115991987287998199462890625
    },
    "last_point": {
        "ts": "2026-09-13T02:04:30+00:00",
        "lat": 31.5370367000000015877958503551781177520751953125,
        "lon": 32.3641532999999981257133185863494873046875
    }
}

{
    "radius_m": 43,
    "duration_minutes": 355.80000000000001136868377216160297393798828125,
    "points": 47,
    "centroid": {
        "lat": 31.53694709574467225365879130549728870391845703125,
        "lon": 32.36406284042553949120701872743666172027587890625
    },
    "bbox": {
        "min_lat": 31.53663329999999831443346920423209667205810546875,
        "min_lon": 32.36379670000000174923115991987287998199462890625,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "min_distance_m": 49.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 54.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 158.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 9491,
    "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": "2026-09-12T19:27:49+00:00",
        "end": "2026-09-12T22:06:00+00:00"
    },
    "points_count": {
        "vessel_a": 30,
        "vessel_b": 30
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 49m, avg 55m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 158 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (TM HAI HA 568 and BLUE EMBER) maintained close proximity (min 49m, avg 55m) for 158 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 394.30000000000001136868377216160297393798828125,
    "points_in_zone": 52,
    "first_point": {
        "ts": "2026-09-12T19:30:10+00:00",
        "lat": 31.536699999999999732835931354202330112457275390625,
        "lon": 32.3638667000000026519046514295041561126708984375
    },
    "last_point": {
        "ts": "2026-09-13T02:04:30+00:00",
        "lat": 31.5370367000000015877958503551781177520751953125,
        "lon": 32.3641532999999981257133185863494873046875
    }
}

{
    "radius_m": 39.2999999999999971578290569595992565155029296875,
    "duration_minutes": 394.30000000000001136868377216160297393798828125,
    "points": 52,
    "centroid": {
        "lat": 31.536918913461530422637224546633660793304443359375,
        "lon": 32.36404122115384751623423653654754161834716796875
    },
    "bbox": {
        "min_lat": 31.53663329999999831443346920423209667205810546875,
        "min_lon": 32.36379670000000174923115991987287998199462890625,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "min_distance_m": 51.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 54.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 3.5,
    "duration_minutes": 30.5,
    "overlap_duration_s": 1830,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-12T18:04:39+00:00",
        "end": "2026-09-12T18:35:09+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 51m, avg 54m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (TM HAI HA 568 and BLUE EMBER) maintained close proximity (min 51m, avg 54m) for 30 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.53639390000000020108927856199443340301513671875,
            "lon": 32.36360640000000188365447684191167354583740234375
        },
        "time_window": {
            "start_ts": "2026-09-12T18:04:39+00:00",
            "end_ts": "2026-09-12T18:35:09+00:00"
        },
        "searched_at": "2026-09-13T00:45:14.656640+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 368.69999999999998863131622783839702606201171875,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-09-12T18:00:29+00:00",
        "lat": 31.5365733000000005858964868821203708648681640625,
        "lon": 32.3637666999999993322489899583160877227783203125
    },
    "last_point": {
        "ts": "2026-09-13T00:09:10+00:00",
        "lat": 31.5371999999999985675458447076380252838134765625,
        "lon": 32.36419670000000081699909060262143611907958984375
    }
}

{
    "radius_m": 46.5,
    "duration_minutes": 368.69999999999998863131622783839702606201171875,
    "points": 47,
    "centroid": {
        "lat": 31.536827091489357144382665865123271942138671875,
        "lon": 32.36397198723403789699659682810306549072265625
    },
    "bbox": {
        "min_lat": 31.536539999999998684643287560902535915374755859375,
        "min_lon": 32.36375000000000312638803734444081783294677734375,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "vessel_b": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "min_distance_m": 51.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 54.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 39.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2381,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-12T17:55:28+00:00",
        "end": "2026-09-12T18:35:09+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 51m, avg 55m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (TM HAI HA 568 and BLUE EMBER) maintained close proximity (min 51m, avg 55m) for 40 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.536398299999998329212758108042180538177490234375,
            "lon": 32.36358820000000235950210480950772762298583984375
        },
        "time_window": {
            "start_ts": "2026-09-12T17:55:28+00:00",
            "end_ts": "2026-09-12T18:35:09+00:00"
        },
        "searched_at": "2026-09-12T20:15:01.243486+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 391.8999999999999772626324556767940521240234375,
    "points_in_zone": 52,
    "first_point": {
        "ts": "2026-09-12T17:37:19+00:00",
        "lat": 31.536436699999999433430275530554354190826416015625,
        "lon": 32.36366000000000298086888506077229976654052734375
    },
    "last_point": {
        "ts": "2026-09-13T00:09:10+00:00",
        "lat": 31.5371999999999985675458447076380252838134765625,
        "lon": 32.36419670000000081699909060262143611907958984375
    }
}

{
    "radius_m": 50.5,
    "duration_minutes": 391.8999999999999772626324556767940521240234375,
    "points": 52,
    "centroid": {
        "lat": 31.536798463461533259533098316751420497894287109375,
        "lon": 32.3639451307692382897585048340260982513427734375
    },
    "bbox": {
        "min_lat": 31.536436699999999433430275530554354190826416015625,
        "min_lon": 32.36364999999999980673237587325274944305419921875,
        "max_lat": 31.5371999999999985675458447076380252838134765625,
        "max_lon": 32.36419670000000081699909060262143611907958984375
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 668116394,
        "imo": 9273442,
        "name": "BLUE EMBER",
        "flag": "SAO TOME AND PRINCIPE"
    },
    "vessel_b": {
        "mmsi": 574004200,
        "imo": 9274082,
        "name": "TM HAI HA 568",
        "flag": "VIETNAM"
    },
    "min_distance_m": 51.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 54.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 183.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 11034,
    "speed_a_avg": 0.11999999999999999555910790149937383830547332763671875,
    "speed_a_std": 0.14000000000000001332267629550187848508358001708984375,
    "speed_b_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.11999999999999999555910790149937383830547332763671875,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        }
    },
    "time_window": {
        "start": "2026-09-12T16:42:57+00:00",
        "end": "2026-09-12T19:46:51+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 51m, avg 55m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 184 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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (BLUE EMBER and TM HAI HA 568) maintained close proximity (min 51m, avg 55m) for 184 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "radius_m": 207.900000000000005684341886080801486968994140625,
    "duration_minutes": 385,
    "points": 60,
    "centroid": {
        "lat": 31.53683833666665492501124390400946140289306640625,
        "lon": 32.363919723333339106829953379929065704345703125
    },
    "bbox": {
        "min_lat": 31.536436699999999433430275530554354190826416015625,
        "min_lon": 32.3634033000000016500052879564464092254638671875,
        "max_lat": 31.53866000000000013869794202037155628204345703125,
        "max_lon": 32.36424000000000233967512031085789203643798828125
    },
    "zone_id": "discovered_167"
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 385,
    "points_in_zone": 60,
    "first_point": {
        "ts": "2026-09-12T16:42:28+00:00",
        "lat": 31.53866000000000013869794202037155628204345703125,
        "lon": 32.3634033000000016500052879564464092254638671875
    },
    "last_point": {
        "ts": "2026-09-12T23:07:29+00:00",
        "lat": 31.53707670000000007348717190325260162353515625,
        "lon": 32.3641266999999999143255990929901599884033203125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 376.69999999999998863131622783839702606201171875,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-09-12T15:53:29+00:00",
        "lat": 31.580049999999999954525264911353588104248046875,
        "lon": 32.39332329999999871006366447545588016510009765625
    },
    "last_point": {
        "ts": "2026-09-12T22:10:10+00:00",
        "lat": 31.5370233000000013134922483004629611968994140625,
        "lon": 32.36413999999999902001945883966982364654541015625
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 394,
    "points_in_zone": 62,
    "first_point": {
        "ts": "2026-09-12T14:53:10+00:00",
        "lat": 31.540839999999999321289578801952302455902099609375,
        "lon": 32.40623329999999668871168978512287139892578125
    },
    "last_point": {
        "ts": "2026-09-12T21:27:09+00:00",
        "lat": 31.536833300000001401031113346107304096221923828125,
        "lon": 32.36398669999999810897861607372760772705078125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 396.5,
    "points_in_zone": 65,
    "first_point": {
        "ts": "2026-09-12T13:52:39+00:00",
        "lat": 31.4948432999999994308382156305015087127685546875,
        "lon": 32.36560999999999665988070773892104625701904296875
    },
    "last_point": {
        "ts": "2026-09-12T20:29:09+00:00",
        "lat": 31.536783299999999741203282610513269901275634765625,
        "lon": 32.36395329999999859182935324497520923614501953125
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 390.80000000000001136868377216160297393798828125,
    "points_in_zone": 62,
    "first_point": {
        "ts": "2026-09-12T12:41:42+00:00",
        "lat": 31.504393300000000266436472884379327297210693359375,
        "lon": 32.33942329999999998335624695755541324615478515625
    },
    "last_point": {
        "ts": "2026-09-12T19:12:29+00:00",
        "lat": 31.536703299999999217106960713863372802734375,
        "lon": 32.3639332999999993489836924709379673004150390625
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 391.80000000000001136868377216160297393798828125,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-09-12T10:46:40+00:00",
        "lat": 31.504439999999998889279595459811389446258544921875,
        "lon": 32.33941999999999694637153879739344120025634765625
    },
    "last_point": {
        "ts": "2026-09-12T17:18:29+00:00",
        "lat": 31.53651669999999995752659742720425128936767578125,
        "lon": 32.3638533000000023776010493747889995574951171875
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 391.1000000000000227373675443232059478759765625,
    "points_in_zone": 36,
    "first_point": {
        "ts": "2026-09-12T08:56:46+00:00",
        "lat": 31.504613299999999043166098999790847301483154296875,
        "lon": 32.339533299999999371721060015261173248291015625
    },
    "last_point": {
        "ts": "2026-09-12T15:27:49+00:00",
        "lat": 31.5836800000000010868461686186492443084716796875,
        "lon": 32.40712330000000207519406103529036045074462890625
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 394.1000000000000227373675443232059478759765625,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-09-12T07:35:41+00:00",
        "lat": 31.5043466999999992594894138164818286895751953125,
        "lon": 32.3392266999999975496393744833767414093017578125
    },
    "last_point": {
        "ts": "2026-09-12T14:09:49+00:00",
        "lat": 31.495616699999999354986357502639293670654296875,
        "lon": 32.38925669999999712445060140453279018402099609375
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 117.7999999999999971578290569595992565155029296875,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-09-11T16:08:46+00:00",
        "lat": 31.503949999999999675992512493394315242767333984375,
        "lon": 32.3383333000000021684172679670155048370361328125
    },
    "last_point": {
        "ts": "2026-09-11T18:06:37+00:00",
        "lat": 31.503933299999999917417881079018115997314453125,
        "lon": 32.33829329999999657729858881793916225433349609375
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 129.80000000000001136868377216160297393798828125,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-09-11T15:56:46+00:00",
        "lat": 31.50392670000000094887582235969603061676025390625,
        "lon": 32.33845999999999776264303363859653472900390625
    },
    "last_point": {
        "ts": "2026-09-11T18:06:37+00:00",
        "lat": 31.503933299999999917417881079018115997314453125,
        "lon": 32.33829329999999657729858881793916225433349609375
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 227,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-09-11T14:19:35+00:00",
        "lat": 31.504079999999998307202986325137317180633544921875,
        "lon": 32.338723299999998062048689462244510650634765625
    },
    "last_point": {
        "ts": "2026-09-11T18:06:37+00:00",
        "lat": 31.503933299999999917417881079018115997314453125,
        "lon": 32.33829329999999657729858881793916225433349609375
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 296.8999999999999772626324556767940521240234375,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-09-11T13:09:41+00:00",
        "lat": 31.504239999999999355395630118437111377716064453125,
        "lon": 32.3391232999999971298166201449930667877197265625
    },
    "last_point": {
        "ts": "2026-09-11T18:06:37+00:00",
        "lat": 31.503933299999999917417881079018115997314453125,
        "lon": 32.33829329999999657729858881793916225433349609375
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 358.8999999999999772626324556767940521240234375,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-09-11T12:07:45+00:00",
        "lat": 31.504220000000000112549969344399869441986083984375,
        "lon": 32.33906329999999940127963782288134098052978515625
    },
    "last_point": {
        "ts": "2026-09-11T18:06:37+00:00",
        "lat": 31.503933299999999917417881079018115997314453125,
        "lon": 32.33829329999999657729858881793916225433349609375
    }
}

{
    "radius_m": 59.7000000000000028421709430404007434844970703125,
    "duration_minutes": 358.8999999999999772626324556767940521240234375,
    "points": 14,
    "centroid": {
        "lat": 31.504133335714282537765029701404273509979248046875,
        "lon": 32.33887713571427724446039064787328243255615234375
    },
    "bbox": {
        "min_lat": 31.50392670000000094887582235969603061676025390625,
        "min_lon": 32.33829329999999657729858881793916225433349609375,
        "max_lat": 31.504239999999999355395630118437111377716064453125,
        "max_lon": 32.3391232999999971298166201449930667877197265625
    },
    "zone_id": "discovered_167"
}