DENEB

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{
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{
    "vessel_a": {
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        "imo": 9301524,
        "name": "DENEB",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 273271850,
        "imo": 9288746,
        "name": "MARATHON",
        "flag": "Russia"
    },
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    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-12T11:41:48+00:00",
        "end": "2026-07-12T12:19:39+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 36m, avg 41m"
            },
            "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": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Black Sea Sanctioned Vessel Monitoring Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (DENEB and MARATHON) maintained close proximity (min 36m, avg 41m) for 38 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 Black Sea Sanctioned Vessel Monitoring Zone, a known STS activity area."
    },
    "sar": {
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            "end_ts": "2026-07-12T12:19:39+00:00"
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        "searched_at": "2026-07-12T13:15:07.871535+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

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{
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        "name": "MARATHON",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 667002369,
        "imo": 9301524,
        "name": "DENEB",
        "flag": "SIERRA LEONE"
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    "speed_summary": {
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            "max_sog": 0
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            "max_sog": 0
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    "time_window": {
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        "end": "2026-07-12T00:02:07+00:00"
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    "zone_id": "discovered_025",
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    "score": {
        "value": 80,
        "components": {
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                "max": 25,
                "detail": "Min distance 37m, avg 42m"
            },
            "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 \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Black Sea Sanctioned Vessel Monitoring Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (MARATHON and DENEB) maintained close proximity (min 37m, avg 42m) 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 Black Sea Sanctioned Vessel Monitoring Zone, a known STS activity area."
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        "searched_at": "2026-07-12T05:30:01.795211+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

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                "max": 25,
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                "detail": "In monitored zone: Black Sea Sanctioned Vessel Monitoring Zone"
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