ZAPRAVSHCHIK 05

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "min_distance_m": 203.099999999999994315658113919198513031005859375,
    "avg_distance_m": 205,
    "distance_consistency_m": 1.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 371,
    "overlap_duration_s": 22259,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-23T02:06:45+00:00",
        "end": "2026-07-23T08:17:44+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 203m, avg 205m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 371 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 203m, avg 205m) for 371 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62550449999999813144313520751893520355224609375,
            "lon": 142.767396999999988338458933867514133453369140625
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        "time_window": {
            "start_ts": "2026-07-23T02:06:45+00:00",
            "end_ts": "2026-07-23T08:17:44+00:00"
        },
        "searched_at": "2026-07-23T08:45:05.221349+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "min_distance_m": 203.099999999999994315658113919198513031005859375,
    "avg_distance_m": 205,
    "distance_consistency_m": 1.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 371,
    "overlap_duration_s": 22259,
    "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
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    },
    "time_window": {
        "start": "2026-07-23T02:06:45+00:00",
        "end": "2026-07-23T08:17:44+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 203m, avg 205m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 371 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 203m, avg 205m) for 371 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 Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
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        "time_window": {
            "start_ts": "2026-07-23T02:06:45+00:00",
            "end_ts": "2026-07-23T08:17:44+00:00"
        },
        "searched_at": "2026-07-23T08:45:08.992244+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 395,
    "points_in_zone": 30,
    "first_point": {
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{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 395,
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    "zone_id": "russia_prigorodnoye"
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    "zone_id": "russia_sakhalin_south"
}

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "min_distance_m": 203.099999999999994315658113919198513031005859375,
    "avg_distance_m": 209.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 28.5,
    "duration_minutes": 317,
    "overlap_duration_s": 19020,
    "speed_a_avg": 0,
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    "speed_summary": {
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    },
    "time_window": {
        "start": "2026-07-23T01:33:43+00:00",
        "end": "2026-07-23T06:50:43+00:00"
    },
    "points_count": {
        "vessel_a": 43,
        "vessel_b": 43
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 203m, avg 209m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 317 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b128m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 203m, avg 209m) for 317 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
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    "avg_distance_m": 209.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 28.5,
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    "overlap_duration_s": 19020,
    "speed_a_avg": 0,
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    },
    "time_window": {
        "start": "2026-07-23T01:33:43+00:00",
        "end": "2026-07-23T06:50:43+00:00"
    },
    "points_count": {
        "vessel_a": 43,
        "vessel_b": 43
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 203m, avg 209m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 317 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b128m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 203m, avg 209m) for 317 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 Sakhalin South Approach, a known STS activity area."
    }
}

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{
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{
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    "time_window": {
        "start": "2026-07-23T00:23:33+00:00",
        "end": "2026-07-23T06:48:37+00:00"
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    "points_count": {
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        "vessel_b": 90
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    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 20,
                "max": 25,
                "detail": "Min distance 142m, avg 258m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 385 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b190m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 142m, avg 258m) for 385 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 141.80000000000001136868377216160297393798828125,
    "avg_distance_m": 257.8999999999999772626324556767940521240234375,
    "distance_consistency_m": 90.400000000000005684341886080801486968994140625,
    "duration_minutes": 385.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 23104,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.2600000000000000088817841970012523233890533447265625,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-23T00:23:33+00:00",
        "end": "2026-07-23T06:48:37+00:00"
    },
    "points_count": {
        "vessel_a": 90,
        "vessel_b": 90
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 20,
                "max": 25,
                "detail": "Min distance 142m, avg 258m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 385 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b190m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 142m, avg 258m) for 385 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 406.6000000000000227373675443232059478759765625,
    "avg_distance_m": 408.5,
    "distance_consistency_m": 1.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 55.60000000000000142108547152020037174224853515625,
    "overlap_duration_s": 3339,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T23:06:54+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 19,
        "vessel_b": 19
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 60,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 407m, avg 408m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 56 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 407m, avg 408m) for 56 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62355099999999907822711975313723087310791015625,
            "lon": 142.767414999999999736246536485850811004638671875
        },
        "time_window": {
            "start_ts": "2026-07-22T23:06:54+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T05:45:04.363090+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 406.6000000000000227373675443232059478759765625,
    "avg_distance_m": 408.5,
    "distance_consistency_m": 1.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 55.60000000000000142108547152020037174224853515625,
    "overlap_duration_s": 3339,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T23:06:54+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 19,
        "vessel_b": 19
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 60,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 407m, avg 408m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 56 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 407m, avg 408m) for 56 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 Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62355099999999907822711975313723087310791015625,
            "lon": 142.767414999999999736246536485850811004638671875
        },
        "time_window": {
            "start_ts": "2026-07-22T23:06:54+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T05:45:06.808775+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 391,
    "points_in_zone": 62,
    "first_point": {
        "ts": "2026-07-22T23:01:42+00:00",
        "lat": 46.6251682999999985668182489462196826934814453125,
        "lon": 142.76614330000001018561306409537792205810546875
    },
    "last_point": {
        "ts": "2026-07-23T05:32:42+00:00",
        "lat": 46.6251749999999987039700499735772609710693359375,
        "lon": 142.766153300000013359749573282897472381591796875
    }
}

{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 391,
    "points_in_zone": 62,
    "first_point": {
        "ts": "2026-07-22T23:01:42+00:00",
        "lat": 46.6251682999999985668182489462196826934814453125,
        "lon": 142.76614330000001018561306409537792205810546875
    },
    "last_point": {
        "ts": "2026-07-23T05:32:42+00:00",
        "lat": 46.6251749999999987039700499735772609710693359375,
        "lon": 142.766153300000013359749573282897472381591796875
    }
}

{
    "radius_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 391,
    "points": 62,
    "centroid": {
        "lat": 46.625171719354824517722590826451778411865234375,
        "lon": 142.766147016128996938277850858867168426513671875
    },
    "bbox": {
        "min_lat": 46.62516329999999697974999435245990753173828125,
        "min_lon": 142.766134999999991350705386139452457427978515625,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_prigorodnoye"
}

{
    "radius_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 391,
    "points": 62,
    "centroid": {
        "lat": 46.625171719354824517722590826451778411865234375,
        "lon": 142.766147016128996938277850858867168426513671875
    },
    "bbox": {
        "min_lat": 46.62516329999999697974999435245990753173828125,
        "min_lon": 142.766134999999991350705386139452457427978515625,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_sakhalin_south"
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 406.6000000000000227373675443232059478759765625,
    "avg_distance_m": 408.5,
    "distance_consistency_m": 1,
    "duration_minutes": 116,
    "overlap_duration_s": 6960,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T22:06:33+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 39,
        "vessel_b": 39
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 407m, avg 408m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 116 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 407m, avg 408m) for 116 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62354950000000286536305793561041355133056640625,
            "lon": 142.767413699999991649747244082391262054443359375
        },
        "time_window": {
            "start_ts": "2026-07-22T22:06:33+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T04:45:02.083501+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 406.6000000000000227373675443232059478759765625,
    "avg_distance_m": 408.5,
    "distance_consistency_m": 1,
    "duration_minutes": 116,
    "overlap_duration_s": 6960,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T22:06:33+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 39,
        "vessel_b": 39
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 407m, avg 408m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 116 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 407m, avg 408m) for 116 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 Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62354950000000286536305793561041355133056640625,
            "lon": 142.767413699999991649747244082391262054443359375
        },
        "time_window": {
            "start_ts": "2026-07-22T22:06:33+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T04:45:04.923319+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 391,
    "points_in_zone": 71,
    "first_point": {
        "ts": "2026-07-22T22:10:44+00:00",
        "lat": 46.62516670000000118534444482065737247467041015625,
        "lon": 142.766150000000010322764865122735500335693359375
    },
    "last_point": {
        "ts": "2026-07-23T04:41:43+00:00",
        "lat": 46.625169999999997116901795379817485809326171875,
        "lon": 142.76614169999999148785718716681003570556640625
    }
}

{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 391,
    "points_in_zone": 71,
    "first_point": {
        "ts": "2026-07-22T22:10:44+00:00",
        "lat": 46.62516670000000118534444482065737247467041015625,
        "lon": 142.766150000000010322764865122735500335693359375
    },
    "last_point": {
        "ts": "2026-07-23T04:41:43+00:00",
        "lat": 46.625169999999997116901795379817485809326171875,
        "lon": 142.76614169999999148785718716681003570556640625
    }
}

{
    "radius_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 391,
    "points": 71,
    "centroid": {
        "lat": 46.6251709859154885862153605557978153228759765625,
        "lon": 142.766147514084451586313662119209766387939453125
    },
    "bbox": {
        "min_lat": 46.62516169999999959827619022689759731292724609375,
        "min_lon": 142.766134999999991350705386139452457427978515625,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_prigorodnoye"
}

{
    "radius_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 391,
    "points": 71,
    "centroid": {
        "lat": 46.6251709859154885862153605557978153228759765625,
        "lon": 142.766147514084451586313662119209766387939453125
    },
    "bbox": {
        "min_lat": 46.62516169999999959827619022689759731292724609375,
        "min_lon": 142.766134999999991350705386139452457427978515625,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_sakhalin_south"
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 405.5,
    "avg_distance_m": 408.6000000000000227373675443232059478759765625,
    "distance_consistency_m": 1.3000000000000000444089209850062616169452667236328125,
    "duration_minutes": 174.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 10491,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T21:07:42+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 57,
        "vessel_b": 57
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 406m, avg 409m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 175 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 406m, avg 409m) for 175 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62354810000000071568138082511723041534423828125,
            "lon": 142.767413199999992912125890143215656280517578125
        },
        "time_window": {
            "start_ts": "2026-07-22T21:07:42+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T03:45:04.910728+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 405.5,
    "avg_distance_m": 408.6000000000000227373675443232059478759765625,
    "distance_consistency_m": 1.3000000000000000444089209850062616169452667236328125,
    "duration_minutes": 174.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 10491,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T21:07:42+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 57,
        "vessel_b": 57
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 406m, avg 409m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 175 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 406m, avg 409m) for 175 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 Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62354810000000071568138082511723041534423828125,
            "lon": 142.767413199999992912125890143215656280517578125
        },
        "time_window": {
            "start_ts": "2026-07-22T21:07:42+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T03:45:07.492403+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 74,
    "first_point": {
        "ts": "2026-07-22T21:43:45+00:00",
        "lat": 46.62516329999999697974999435245990753173828125,
        "lon": 142.76615670000001045991666615009307861328125
    },
    "last_point": {
        "ts": "2026-07-23T04:19:42+00:00",
        "lat": 46.625169999999997116901795379817485809326171875,
        "lon": 142.766138299999994387690094299614429473876953125
    }
}

{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 74,
    "first_point": {
        "ts": "2026-07-22T21:43:45+00:00",
        "lat": 46.62516329999999697974999435245990753173828125,
        "lon": 142.76615670000001045991666615009307861328125
    },
    "last_point": {
        "ts": "2026-07-23T04:19:42+00:00",
        "lat": 46.625169999999997116901795379817485809326171875,
        "lon": 142.766138299999994387690094299614429473876953125
    }
}

{
    "radius_m": 1.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 395.8999999999999772626324556767940521240234375,
    "points": 74,
    "centroid": {
        "lat": 46.62517063108106185609358362853527069091796875,
        "lon": 142.76614808648645293942536227405071258544921875
    },
    "bbox": {
        "min_lat": 46.62515830000000249810909735970199108123779296875,
        "min_lon": 142.766134999999991350705386139452457427978515625,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_prigorodnoye"
}

{
    "radius_m": 1.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 395.8999999999999772626324556767940521240234375,
    "points": 74,
    "centroid": {
        "lat": 46.62517063108106185609358362853527069091796875,
        "lon": 142.76614808648645293942536227405071258544921875
    },
    "bbox": {
        "min_lat": 46.62515830000000249810909735970199108123779296875,
        "min_lon": 142.766134999999991350705386139452457427978515625,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_sakhalin_south"
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 405.5,
    "avg_distance_m": 408.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 238.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 14322,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T20:03:51+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 81,
        "vessel_b": 81
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 406m, avg 409m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 239 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 406m, avg 409m) for 239 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62354619999999982837834977544844150543212890625,
            "lon": 142.7674111000000038984580896794795989990234375
        },
        "time_window": {
            "start_ts": "2026-07-22T20:03:51+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T02:45:05.374879+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 405.5,
    "avg_distance_m": 408.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 1.1999999999999999555910790149937383830547332763671875,
    "duration_minutes": 238.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 14322,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T20:03:51+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 81,
        "vessel_b": 81
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 406m, avg 409m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 239 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 406m, avg 409m) for 239 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 Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.62354619999999982837834977544844150543212890625,
            "lon": 142.7674111000000038984580896794795989990234375
        },
        "time_window": {
            "start_ts": "2026-07-22T20:03:51+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T02:45:08.447010+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 395,
    "points_in_zone": 73,
    "first_point": {
        "ts": "2026-07-22T20:52:43+00:00",
        "lat": 46.6251682999999985668182489462196826934814453125,
        "lon": 142.76614169999999148785718716681003570556640625
    },
    "last_point": {
        "ts": "2026-07-23T03:27:43+00:00",
        "lat": 46.6251783000000017409547581337392330169677734375,
        "lon": 142.766158300000000735963112674653530120849609375
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 395,
    "points_in_zone": 73,
    "first_point": {
        "ts": "2026-07-22T20:52:43+00:00",
        "lat": 46.6251682999999985668182489462196826934814453125,
        "lon": 142.76614169999999148785718716681003570556640625
    },
    "last_point": {
        "ts": "2026-07-23T03:27:43+00:00",
        "lat": 46.6251783000000017409547581337392330169677734375,
        "lon": 142.766158300000000735963112674653530120849609375
    }
}

{
    "radius_m": 1.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 395,
    "points": 73,
    "centroid": {
        "lat": 46.62516940547941857175828772597014904022216796875,
        "lon": 142.766148497260246585938148200511932373046875
    },
    "bbox": {
        "min_lat": 46.62515669999999801120793563313782215118408203125,
        "min_lon": 142.766138299999994387690094299614429473876953125,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_prigorodnoye"
}

{
    "radius_m": 1.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 395,
    "points": 73,
    "centroid": {
        "lat": 46.62516940547941857175828772597014904022216796875,
        "lon": 142.766148497260246585938148200511932373046875
    },
    "bbox": {
        "min_lat": 46.62515669999999801120793563313782215118408203125,
        "min_lon": 142.766138299999994387690094299614429473876953125,
        "max_lat": 46.6251816999999988411218510009348392486572265625,
        "max_lon": 142.7661600000000134969013743102550506591796875
    },
    "zone_id": "russia_sakhalin_south"
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 405.5,
    "avg_distance_m": 409,
    "distance_consistency_m": 1.3000000000000000444089209850062616169452667236328125,
    "duration_minutes": 298.5,
    "overlap_duration_s": 17912,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T19:04:01+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 106,
        "vessel_b": 106
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 406m, avg 409m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 298 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 406m, avg 409m) for 298 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6235453999999975849277689121663570404052734375,
            "lon": 142.76740860000001021035131998360157012939453125
        },
        "time_window": {
            "start_ts": "2026-07-22T19:04:01+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T01:45:01.775317+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "min_distance_m": 405.5,
    "avg_distance_m": 409,
    "distance_consistency_m": 1.3000000000000000444089209850062616169452667236328125,
    "duration_minutes": 298.5,
    "overlap_duration_s": 17912,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-22T19:04:01+00:00",
        "end": "2026-07-23T00:02:33+00:00"
    },
    "points_count": {
        "vessel_a": 106,
        "vessel_b": 106
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 406m, avg 409m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 298 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 406m, avg 409m) for 298 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6235453999999975849277689121663570404052734375,
            "lon": 142.76740860000001021035131998360157012939453125
        },
        "time_window": {
            "start_ts": "2026-07-22T19:04:01+00:00",
            "end_ts": "2026-07-23T00:02:33+00:00"
        },
        "searched_at": "2026-07-23T01:45:05.598979+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 397,
    "points_in_zone": 77,
    "first_point": {
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{
    "radius_m": 591.5,
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{
    "radius_m": 591.5,
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{
    "zone_id": "russia_prigorodnoye",
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{
    "zone_id": "russia_sakhalin_south",
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{
    "radius_m": 603.3999999999999772626324556767940521240234375,
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{
    "radius_m": 603.3999999999999772626324556767940521240234375,
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}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
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    "avg_distance_m": 403.69999999999998863131622783839702606201171875,
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    "overlap_duration_s": 2001,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
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        "vessel_b": {
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-19T21:19:45+00:00",
        "end": "2026-07-19T21:53:06+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 402m, avg 404m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 402m, avg 404m) for 33 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
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        "time_window": {
            "start_ts": "2026-07-19T21:19:45+00:00",
            "end_ts": "2026-07-19T21:53:06+00:00"
        },
        "searched_at": "2026-07-19T22:15:10.658205+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
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    "speed_b_std": 0,
    "speed_summary": {
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    },
    "time_window": {
        "start": "2026-07-19T21:19:45+00:00",
        "end": "2026-07-19T21:53:06+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
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    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 402m, avg 404m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 402m, avg 404m) for 33 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 Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
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            "end_ts": "2026-07-19T21:53:06+00:00"
        },
        "searched_at": "2026-07-19T22:15:17.732275+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
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        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
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    "overlap_duration_s": 2630,
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    },
    "time_window": {
        "start": "2026-07-19T20:07:36+00:00",
        "end": "2026-07-19T20:51:26+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 401m, avg 403m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 44 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 401m, avg 403m) for 44 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
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        "time_window": {
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            "end_ts": "2026-07-19T20:51:26+00:00"
        },
        "searched_at": "2026-07-20T02:45:04.832513+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
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        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
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    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
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    },
    "time_window": {
        "start": "2026-07-19T20:07:36+00:00",
        "end": "2026-07-19T20:51:26+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
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    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 401m, avg 403m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 44 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
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        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (AZOV and ZAPRAVSHCHIK 05) maintained close proximity (min 401m, avg 403m) for 44 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 Sakhalin South Approach, a known STS activity area."
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            "end_ts": "2026-07-19T20:51:26+00:00"
        },
        "searched_at": "2026-07-20T02:45:07.839459+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "russia_prigorodnoye",
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{
    "zone_id": "russia_sakhalin_south",
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{
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{
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    "speed_summary": {
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            "avg_sog": 0.11999999999999999555910790149937383830547332763671875,
            "max_sog": 1.5
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-07-19T19:54:42+00:00",
        "end": "2026-07-19T21:56:43+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 77,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 357m, avg 400m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 122 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 357m, avg 400m) for 122 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "min_distance_m": 357.1000000000000227373675443232059478759765625,
    "avg_distance_m": 399.5,
    "distance_consistency_m": 12.800000000000000710542735760100185871124267578125,
    "duration_minutes": 122,
    "overlap_duration_s": 7321,
    "speed_a_avg": 0.11999999999999999555910790149937383830547332763671875,
    "speed_a_std": 0.409999999999999975575093458246556110680103302001953125,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.11999999999999999555910790149937383830547332763671875,
            "max_sog": 1.5
        },
        "vessel_b": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-07-19T19:54:42+00:00",
        "end": "2026-07-19T21:56:43+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 77,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 357m, avg 400m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 122 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 357m, avg 400m) for 122 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 Sakhalin South Approach, a known STS activity area."
    }
}

{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 286,
    "points_in_zone": 38,
    "first_point": {
        "ts": "2026-07-19T19:09:40+00:00",
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        "lon": 142.766256700000013779572327621281147003173828125
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    "last_point": {
        "ts": "2026-07-19T23:55:41+00:00",
        "lat": 46.6208232999999978574123815633356571197509765625,
        "lon": 142.75781829999999672509147785604000091552734375
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}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 286,
    "points_in_zone": 38,
    "first_point": {
        "ts": "2026-07-19T19:09:40+00:00",
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        "lon": 142.766256700000013779572327621281147003173828125
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{
    "radius_m": 428.30000000000001136868377216160297393798828125,
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    "points": 38,
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        "min_lon": 142.75781499999999368810676969587802886962890625,
        "max_lat": 46.6257250000000027512214728631079196929931640625,
        "max_lon": 142.766646699999995462349033914506435394287109375
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    "zone_id": "russia_prigorodnoye"
}

{
    "radius_m": 428.30000000000001136868377216160297393798828125,
    "duration_minutes": 286,
    "points": 38,
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        "lon": 142.762209386842101821457617916166782379150390625
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}

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "min_distance_m": 357.1000000000000227373675443232059478759765625,
    "avg_distance_m": 400.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 9.800000000000000710542735760100185871124267578125,
    "duration_minutes": 227,
    "overlap_duration_s": 13620,
    "speed_a_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_a_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 1.5
        },
        "vessel_b": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-07-19T18:09:43+00:00",
        "end": "2026-07-19T21:56:43+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 77,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 357m, avg 401m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 227 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 357m, avg 401m) for 227 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 Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273439180,
        "imo": 8930744,
        "name": "ZAPRAVSHCHIK 05",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273456730,
        "imo": 9084401,
        "name": "AZOV",
        "flag": "Russia"
    },
    "min_distance_m": 357.1000000000000227373675443232059478759765625,
    "avg_distance_m": 400.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 9.800000000000000710542735760100185871124267578125,
    "duration_minutes": 227,
    "overlap_duration_s": 13620,
    "speed_a_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_a_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 1.5
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-07-19T18:09:43+00:00",
        "end": "2026-07-19T21:56:43+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 77,
        "components": {
            "distance_tightness": {
                "score": 10,
                "max": 25,
                "detail": "Min distance 357m, avg 401m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 227 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ZAPRAVSHCHIK 05 and AZOV) maintained close proximity (min 357m, avg 401m) for 227 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 Sakhalin South Approach, a known STS activity area."
    }
}

{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 355,
    "points_in_zone": 42,
    "first_point": {
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}

{
    "zone_id": "russia_prigorodnoye",
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    "dwell_minutes": 355,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-07-19T18:00:41+00:00",
        "lat": 46.6251366999999987683622748591005802154541015625,
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    "last_point": {
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{
    "radius_m": 464.30000000000001136868377216160297393798828125,
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    "points": 42,
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}

{
    "radius_m": 464.30000000000001136868377216160297393798828125,
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}

{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 381,
    "points_in_zone": 46,
    "first_point": {
        "ts": "2026-07-19T17:34:42+00:00",
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}

{
    "zone_id": "russia_sakhalin_south",
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