PUTUOSHAN

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 74.2000000000000028421709430404007434844970703125,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-06-02T00:21:50+00:00",
        "lat": 35.86758329999999972415025695227086544036865234375,
        "lon": -4.724750000000000227373675443232059478759765625
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    "last_point": {
        "ts": "2026-06-02T01:36:01+00:00",
        "lat": 35.81096670000000159461706061847507953643798828125,
        "lon": -4.7141166999999999376314008259214460849761962890625
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}

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 96.2000000000000028421709430404007434844970703125,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-06-01T16:07:30+00:00",
        "lat": 35.79554999999999864712663111276924610137939453125,
        "lon": -4.78934999999999977404741002828814089298248291015625
    },
    "last_point": {
        "ts": "2026-06-01T17:43:40+00:00",
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        "lon": -4.78150000000000030553337637684307992458343505859375
    }
}

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 148.19999999999998863131622783839702606201171875,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-06-01T15:15:31+00:00",
        "lat": 35.776915000000002464730641804635524749755859375,
        "lon": -4.79028329999999957777845338569022715091705322265625
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    "last_point": {
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        "lon": -4.78150000000000030553337637684307992458343505859375
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}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
    },
    "min_distance_m": 37.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 110.099999999999994315658113919198513031005859375,
    "distance_consistency_m": 60.89999999999999857891452847979962825775146484375,
    "duration_minutes": 67.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 4059,
    "speed_a_avg": 1.2199999999999999733546474089962430298328399658203125,
    "speed_a_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.2199999999999999733546474089962430298328399658203125,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
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        "vessel_b": {
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            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-06-01T15:15:31+00:00",
        "end": "2026-06-01T16:23:10+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 73,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 38m, avg 110m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 68 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b161m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and MAMMA MARIA) maintained close proximity (min 38m, avg 110m) for 68 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
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    "first_point": {
        "ts": "2026-06-01T14:01:30+00:00",
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        "lon": -4.790964999999999918145476840436458587646484375
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        "lat": 35.82771670000000341360646416433155536651611328125,
        "lon": -4.78150000000000030553337637684307992458343505859375
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}

{
    "vessel_a": {
        "mmsi": 636022195,
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        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
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    "avg_distance_m": 75,
    "distance_consistency_m": 57.7000000000000028421709430404007434844970703125,
    "duration_minutes": 141.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 8500,
    "speed_a_avg": 1.20999999999999996447286321199499070644378662109375,
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    "speed_b_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_b_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 1.3000000000000000444089209850062616169452667236328125
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        "vessel_b": {
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            "max_sog": 1.3000000000000000444089209850062616169452667236328125
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    },
    "time_window": {
        "start": "2026-06-01T14:01:30+00:00",
        "end": "2026-06-01T16:23:10+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 7m, avg 75m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 142 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b158m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PUTUOSHAN and MAMMA MARIA) maintained close proximity (min 7m, avg 75m) for 142 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 35.773081799999999930150806903839111328125,
            "lon": -4.7900679999999997704662746400572359561920166015625
        },
        "time_window": {
            "start_ts": "2026-06-01T14:01:30+00:00",
            "end_ts": "2026-06-01T16:23:10+00:00"
        },
        "searched_at": "2026-06-01T21:00:04.035642+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
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        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
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    "min_distance_m": 3.899999999999999911182158029987476766109466552734375,
    "avg_distance_m": 66.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 54.10000000000000142108547152020037174224853515625,
    "duration_minutes": 193.5,
    "overlap_duration_s": 11610,
    "speed_a_avg": 1.1699999999999999289457264239899814128875732421875,
    "speed_a_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_avg": 1.1599999999999999200639422269887290894985198974609375,
    "speed_b_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_summary": {
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            "max_sog": 1.3000000000000000444089209850062616169452667236328125
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    },
    "time_window": {
        "start": "2026-06-01T13:09:40+00:00",
        "end": "2026-06-01T16:23:10+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 4m, avg 66m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 194 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b154m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PUTUOSHAN and MAMMA MARIA) maintained close proximity (min 4m, avg 66m) for 194 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    }
}

{
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    "dwell_minutes": 147.80000000000001136868377216160297393798828125,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-05-21T05:30:06+00:00",
        "lat": 37.084616699999997990744304843246936798095703125,
        "lon": 26.11651669999999825222403160296380519866943359375
    },
    "last_point": {
        "ts": "2026-05-21T07:57:53+00:00",
        "lat": 37.53509999999999990905052982270717620849609375,
        "lon": 25.8575333000000000538420863449573516845703125
    }
}

{
    "zone_id": "discovered_086",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 80.7000000000000028421709430404007434844970703125,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-05-21T05:03:24+00:00",
        "lat": 37.00276670000000223126335185952484607696533203125,
        "lon": 26.16499999999999914734871708787977695465087890625
    },
    "last_point": {
        "ts": "2026-05-21T06:24:04+00:00",
        "lat": 37.24763329999999683650457882322371006011962890625,
        "lon": 26.023166700000000872705641086213290691375732421875
    }
}

{
    "zone_id": "discovered_086",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 86.5,
    "points_in_zone": 43,
    "first_point": {
        "ts": "2026-05-21T04:57:33+00:00",
        "lat": 36.9844317000000017969796317629516124725341796875,
        "lon": 26.175650000000000972022462519817054271697998046875
    },
    "last_point": {
        "ts": "2026-05-21T06:24:04+00:00",
        "lat": 37.24763329999999683650457882322371006011962890625,
        "lon": 26.023166700000000872705641086213290691375732421875
    }
}

{
    "zone_id": "discovered_018",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 111.5,
    "points_in_zone": 52,
    "first_point": {
        "ts": "2026-05-12T06:00:53+00:00",
        "lat": 31.676983299999999843521436559967696666717529296875,
        "lon": 32.5186666999999971494617057032883167266845703125
    },
    "last_point": {
        "ts": "2026-05-12T07:52:22+00:00",
        "lat": 31.424250000000000682121026329696178436279296875,
        "lon": 32.35766670000000289064701064489781856536865234375
    }
}

{
    "zone_id": "discovered_018",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 171.69999999999998863131622783839702606201171875,
    "points_in_zone": 77,
    "first_point": {
        "ts": "2026-05-12T05:00:43+00:00",
        "lat": 31.812033299999999513829607167281210422515869140625,
        "lon": 32.59349999999999880628820392303168773651123046875
    },
    "last_point": {
        "ts": "2026-05-12T07:52:22+00:00",
        "lat": 31.424250000000000682121026329696178436279296875,
        "lon": 32.35766670000000289064701064489781856536865234375
    }
}

{
    "zone_id": "discovered_018",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 182,
    "points_in_zone": 80,
    "first_point": {
        "ts": "2026-05-12T04:50:22+00:00",
        "lat": 31.8459332999999986668626661412417888641357421875,
        "lon": 32.590266700000000810177880339324474334716796875
    },
    "last_point": {
        "ts": "2026-05-12T07:52:22+00:00",
        "lat": 31.424250000000000682121026329696178436279296875,
        "lon": 32.35766670000000289064701064489781856536865234375
    }
}

{
    "zone_id": "discovered_018",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 119.2999999999999971578290569595992565155029296875,
    "points_in_zone": 51,
    "first_point": {
        "ts": "2026-05-12T02:00:14+00:00",
        "lat": 32.39715000000000344471118296496570110321044921875,
        "lon": 32.6585333000000019865183276124298572540283203125
    },
    "last_point": {
        "ts": "2026-05-12T03:59:33+00:00",
        "lat": 32.0137833000000000538420863449573516845703125,
        "lon": 32.60253329999999749588823760859668254852294921875
    }
}

{
    "zone_id": "discovered_018",
    "zone_name": "Eastern Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 155.80000000000001136868377216160297393798828125,
    "points_in_zone": 74,
    "first_point": {
        "ts": "2026-05-12T01:23:44+00:00",
        "lat": 32.52103329999999914434738457202911376953125,
        "lon": 32.679433299999999462670530192553997039794921875
    },
    "last_point": {
        "ts": "2026-05-12T03:59:33+00:00",
        "lat": 32.0137833000000000538420863449573516845703125,
        "lon": 32.60253329999999749588823760859668254852294921875
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 622108300,
        "imo": 9260809,
        "name": "ETC RAMSIS",
        "flag": "EGYPT"
    },
    "min_distance_m": 33.5,
    "avg_distance_m": 109.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 42.39999999999999857891452847979962825775146484375,
    "duration_minutes": 30.800000000000000710542735760100185871124267578125,
    "overlap_duration_s": 1850,
    "speed_a_avg": 0.299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.330000000000000015543122344752191565930843353271484375,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.299999999999999988897769753748434595763683319091796875,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-05-10T17:27:31+00:00",
        "end": "2026-05-10T17:58:21+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 69,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 34m, avg 109m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 31 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b142m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and ETC RAMSIS) maintained close proximity (min 34m, avg 109m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717510399999998327302819234319031238555908203125,
            "lon": 35.99890309999999971068973536603152751922607421875
        },
        "time_window": {
            "start_ts": "2026-05-10T17:27:31+00:00",
            "end_ts": "2026-05-10T17:58:21+00:00"
        },
        "searched_at": "2026-05-10T21:30:01.501849+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636015372,
        "imo": 9611541,
        "name": "THALIA",
        "flag": "Liberia"
    },
    "min_distance_m": 32.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 114.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 44,
    "duration_minutes": 34,
    "overlap_duration_s": 2037,
    "speed_a_avg": 0.2600000000000000088817841970012523233890533447265625,
    "speed_a_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.2600000000000000088817841970012523233890533447265625,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-05-10T17:24:24+00:00",
        "end": "2026-05-10T17:58:21+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 69,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 32m, avg 114m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 34 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b144m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and THALIA) maintained close proximity (min 32m, avg 114m) for 34 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 631010090,
        "imo": 9250531,
        "name": "ROZMARINE",
        "flag": "EQUATORIAL GUINEA"
    },
    "min_distance_m": 17.300000000000000710542735760100185871124267578125,
    "avg_distance_m": 71,
    "distance_consistency_m": 31.199999999999999289457264239899814128875732421875,
    "duration_minutes": 34,
    "overlap_duration_s": 2037,
    "speed_a_avg": 0.2600000000000000088817841970012523233890533447265625,
    "speed_a_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.2600000000000000088817841970012523233890533447265625,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0.1499999999999999944488848768742172978818416595458984375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-05-10T17:24:24+00:00",
        "end": "2026-05-10T17:58:21+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 69,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 17m, avg 71m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 34 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b131m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and ROZMARINE) maintained close proximity (min 17m, avg 71m) for 34 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717464599999999563806341029703617095947265625,
            "lon": 35.99842919999999679703250876627862453460693359375
        },
        "time_window": {
            "start_ts": "2026-05-10T17:24:24+00:00",
            "end_ts": "2026-05-10T17:58:21+00:00"
        },
        "searched_at": "2026-05-10T20:30:01.594962+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_032",
    "zone_name": "Gulf of Oman Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 61.2999999999999971578290569595992565155029296875,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-05-10T16:19:17+00:00",
        "lat": 34.3933166999999997415216057561337947845458984375,
        "lon": 34.0208999999999974761522025801241397857666015625
    },
    "last_point": {
        "ts": "2026-05-10T17:20:37+00:00",
        "lat": 34.2314166999999969220880302600562572479248046875,
        "lon": 33.84609999999999985220711096189916133880615234375
    }
}

{
    "vessel_a": {
        "mmsi": 511101725,
        "imo": 9153733,
        "name": "ROBA",
        "flag": "PALAU"
    },
    "vessel_b": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "min_distance_m": 34,
    "avg_distance_m": 94.099999999999994315658113919198513031005859375,
    "distance_consistency_m": 79,
    "duration_minutes": 195.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 11754,
    "speed_a_avg": 0.979999999999999982236431605997495353221893310546875,
    "speed_a_std": 0.63000000000000000444089209850062616169452667236328125,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.979999999999999982236431605997495353221893310546875,
            "max_sog": 1.6999999999999999555910790149937383830547332763671875
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-05-10T14:33:18+00:00",
        "end": "2026-05-10T17:49:12+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 34m, avg 94m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 196 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both very slow; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b179m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ROBA and PUTUOSHAN) maintained close proximity (min 34m, avg 94m) for 196 minutes. Both vessels were slow-moving (avg speeds 1.0 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636015372,
        "imo": 9611541,
        "name": "THALIA",
        "flag": "Liberia"
    },
    "min_distance_m": 32.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 86.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 46.2999999999999971578290569595992565155029296875,
    "duration_minutes": 190.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 11414,
    "speed_a_avg": 0.1600000000000000033306690738754696212708950042724609375,
    "speed_a_std": 0.270000000000000017763568394002504646778106689453125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1600000000000000033306690738754696212708950042724609375,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-05-10T14:48:07+00:00",
        "end": "2026-05-10T17:58:21+00:00"
    },
    "points_count": {
        "vessel_a": 14,
        "vessel_b": 14
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 32m, avg 87m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 190 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b146m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PUTUOSHAN and THALIA) maintained close proximity (min 32m, avg 87m) for 190 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 352003390,
        "imo": 9328132,
        "name": "SINO PROSPERITY",
        "flag": "Panama"
    },
    "min_distance_m": 29.699999999999999289457264239899814128875732421875,
    "avg_distance_m": 97.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 60.89999999999999857891452847979962825775146484375,
    "duration_minutes": 53.10000000000000142108547152020037174224853515625,
    "overlap_duration_s": 3189,
    "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": "2026-05-10T13:47:48+00:00",
        "end": "2026-05-10T14:40:57+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 73,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 30m, avg 97m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 53 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b161m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and SINO PROSPERITY) maintained close proximity (min 30m, avg 97m) for 53 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636015372,
        "imo": 9611541,
        "name": "THALIA",
        "flag": "Liberia"
    },
    "min_distance_m": 29.5,
    "avg_distance_m": 86.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 47.2000000000000028421709430404007434844970703125,
    "duration_minutes": 250.599999999999994315658113919198513031005859375,
    "overlap_duration_s": 15033,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0.2300000000000000099920072216264088638126850128173828125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-05-10T13:47:48+00:00",
        "end": "2026-05-10T17:58:21+00:00"
    },
    "points_count": {
        "vessel_a": 21,
        "vessel_b": 21
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 30m, avg 87m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 251 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b147m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PUTUOSHAN and THALIA) maintained close proximity (min 30m, avg 87m) for 251 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717261400000001714261088636703789234161376953125,
            "lon": 35.9992572999999964622475090436637401580810546875
        },
        "time_window": {
            "start_ts": "2026-05-10T13:47:48+00:00",
            "end_ts": "2026-05-10T17:58:21+00:00"
        },
        "searched_at": "2026-05-10T20:30:04.413152+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "dwell_minutes": 78.599999999999994315658113919198513031005859375,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-05-10T13:41:41+00:00",
        "lat": 31.7179000000000002046363078989088535308837890625,
        "lon": 35.9988000000000027966962079517543315887451171875
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    "last_point": {
        "ts": "2026-05-10T15:00:17+00:00",
        "lat": 31.71688329999999922392817097716033458709716796875,
        "lon": 35.9997333000000026004272513091564178466796875
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}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 311039900,
        "imo": 9486922,
        "name": "ALBERTA",
        "flag": "BAHAMAS"
    },
    "min_distance_m": 51.5,
    "avg_distance_m": 236.5,
    "distance_consistency_m": 176,
    "duration_minutes": 38.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 2300,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-05-10T05:43:51+00:00",
        "end": "2026-05-10T06:22:11+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 62,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 52m, avg 236m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 38 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 2,
                "max": 15,
                "detail": "Distance variance \u00b1176m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and ALBERTA) maintained close proximity (min 52m, avg 236m) for 38 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.7161913999999995894540916197001934051513671875,
            "lon": 35.99931219999999854053385206498205661773681640625
        },
        "time_window": {
            "start_ts": "2026-05-10T05:43:51+00:00",
            "end_ts": "2026-05-10T06:22:11+00:00"
        },
        "searched_at": "2026-05-10T12:30:04.015728+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636015372,
        "imo": 9611541,
        "name": "THALIA",
        "flag": "Liberia"
    },
    "min_distance_m": 260.1000000000000227373675443232059478759765625,
    "avg_distance_m": 367.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 93.7999999999999971578290569595992565155029296875,
    "duration_minutes": 38.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 2300,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-05-10T05:43:51+00:00",
        "end": "2026-05-10T06:22:11+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 58,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 260m, avg 367m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 38 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b194m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (PUTUOSHAN and THALIA) maintained close proximity (min 260m, avg 367m) for 38 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 563178300,
        "imo": 9366275,
        "name": "ALPINE EAGLE",
        "flag": "Singapore"
    },
    "min_distance_m": 2.399999999999999911182158029987476766109466552734375,
    "avg_distance_m": 168.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 201,
    "duration_minutes": 41,
    "overlap_duration_s": 2460,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-05-10T05:41:11+00:00",
        "end": "2026-05-10T06:22:11+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "discovered_104",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 62,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 2m, avg 169m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 41 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 2,
                "max": 15,
                "detail": "Distance variance \u00b1201m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and ALPINE EAGLE) maintained close proximity (min 2m, avg 169m) for 41 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
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            "end_ts": "2026-05-10T06:22:11+00:00"
        },
        "searched_at": "2026-05-10T06:30:14.311413+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_014",
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{
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{
    "radius_m": 277,
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{
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{
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{
    "radius_m": 315.30000000000001136868377216160297393798828125,
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{
    "zone_id": "discovered_014",
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{
    "zone_id": "discovered_014",
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{
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