SOLARIS

IMO 9333436

Vessel information

Vessel Name SOLARIS View name history 📜
IMO Number 9333436
MMSI 461000248
Vessel Type Oil Products Tanker
Flag 🇴🇲 Oman View flag history 📜
Gross Tonnage 29,844 GT
Year Built 2007

Sanctioned by

Company & Ownership

🏢
White Agate Marine SPC
IMO Company: 0138702
Address C/O: Dreamer Shipmanagement LLC-FZ 6th Floor, Meydan Grandstand, Al Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates.
Status Active
Fleet 13.0 owner, 0.0 operator, 0.0 manager, 0.0 beneficial

Management & Operations

ISM Manager
GRACE SHIPMANAGEMENT – FZCO
6th Floor, Meydan Grandstand, Al Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates.
Commercial Manager
DREAMER SHIPMANAGEMENT LLC-FZ
6th Floor, Meydan Grandstand, Al Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates.
Registered Owner
WHITE AGATE MARINE SPC
C/O: Dreamer Shipmanagement LLC-FZ 6th Floor, Meydan Grandstand, Al Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates.

Classification & Safety

Current Classification
DNV-GL (ex DNV) (IACS) Delivered

Port State Control (PSC) Inspections

⚠️
Risk Level
LOW
Last 36 Months
1
Inspections
Last Inspection
📍 Novorossiisk
📅 2025-07-07

Survey Renewal & Certificates

Code Type Issuer Issued Expires
501 Cargo Ship Safety Construction Indian Register of Shipping (150) 31/12/2022 13/12/2027
502 Cargo Ship Safety Equipment Indian Register of Shipping (150) 31/12/2022 13/12/2027

Programs & Notes

SEMA (Canada) — vessel designations | UKRAINE-EO13662] [RUSSIA-EO14024 | The Russia (Sanctions) (EU Exit) Regulations 2019 | Added in EU Sanctions Package 14 | (Council Decision (CFSP) 2024/1744, Annex XLII (new listing framework)) | Press Release | Official Journal

DateOfListing: 2024-06-25 || Secondary sanctions risk: See Section 11 of Executive Order 14024.; alt. Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201 and/or 589.209; Vessel Registration Identification IMO 9333436; MMSI 314893000; Linked To: JOINT STOCK COMPANY SOVCOMFLOT. || DateDesignated: 2024-07-31 | Shipping sanctions: (see “Other information”) | Shipping sanctions: a specified ship is prohibited from being provided with access to or having its master or pilot cause it to enter a port in the UK, may have its registration on the UK Ship Register terminated, and a master or pilot of a specified ship may be given a port barring direction, a detention direction, and a port entry direction or a movement direction. | SCF AMUR (IMO 9333436) is involved in activity whose object or effect is to destabilise Ukraine or undermine or threaten the territorial integrity, sovereignty or independence of Ukraine or to obtain a benefit from or support the Government of Russia. Namely, SCF AMUR is involved in carrying oil and/or oil products that originated in Russia from a place in Russia to a third country.

AIS Events

50 events detected • 2 zones • Last: Oct 23, 2026

Sts🛰️✗ Sakhalin South Approach Oct 23, 2026 08:06 UTC 72/100
Vessel A: SOLARIS (SOLARIS) OMAN
Vessel B: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
  • Minimum Distance: 68 meters
  • Average Distance: 155 meters
  • Duration: 40 minutes
  • Period: 2026-10-23T08:06:06+00:00 to 2026-10-23T08:46:08+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Sakhalin South Approach

Confidence Analysis

Score: 72/100

Moderate-confidence STS candidate. Two tankers (SOLARIS and BUKHTA NAGAEVA) maintained close proximity (min 68m, avg 155m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 68m, avg 155m
Duration5/25Duration 40 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±49m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Sakhalin South Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T09:45:03.770125+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "vessel_b": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "min_distance_m": 68.400000000000005684341886080801486968994140625,
    "avg_distance_m": 154.900000000000005684341886080801486968994140625,
    "distance_consistency_m": 49.39999999999999857891452847979962825775146484375,
    "duration_minutes": 40,
    "overlap_duration_s": 2402,
    "speed_a_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_a_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0.059999999999999997779553950749686919152736663818359375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-10-23T08:06:06+00:00",
        "end": "2026-10-23T08:46:08+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 72,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 155m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b149m"
            },
            "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 (SOLARIS and BUKHTA NAGAEVA) maintained close proximity (min 68m, avg 155m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6499450000000024374458007514476776123046875,
            "lon": 142.54302999999998746716300956904888153076171875
        },
        "time_window": {
            "start_ts": "2026-10-23T08:06:06+00:00",
            "end_ts": "2026-10-23T08:46:08+00:00"
        },
        "searched_at": "2026-10-23T09:45:03.770125+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Prigorodnoye/Sakhalin LNG Oct 23, 2026 08:06 UTC 72/100
Vessel A: SOLARIS (SOLARIS) OMAN
Vessel B: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
  • Minimum Distance: 68 meters
  • Average Distance: 155 meters
  • Duration: 40 minutes
  • Period: 2026-10-23T08:06:06+00:00 to 2026-10-23T08:46:08+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Prigorodnoye/Sakhalin LNG

Confidence Analysis

Score: 72/100

Moderate-confidence STS candidate. Two tankers (SOLARIS and BUKHTA NAGAEVA) maintained close proximity (min 68m, avg 155m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye/Sakhalin LNG, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 68m, avg 155m
Duration5/25Duration 40 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±49m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Prigorodnoye/Sakhalin LNG

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T09:45:01.336324+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "vessel_b": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "min_distance_m": 68.400000000000005684341886080801486968994140625,
    "avg_distance_m": 154.900000000000005684341886080801486968994140625,
    "distance_consistency_m": 49.39999999999999857891452847979962825775146484375,
    "duration_minutes": 40,
    "overlap_duration_s": 2402,
    "speed_a_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_a_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0.059999999999999997779553950749686919152736663818359375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-10-23T08:06:06+00:00",
        "end": "2026-10-23T08:46:08+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 72,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 155m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b149m"
            },
            "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 (SOLARIS and BUKHTA NAGAEVA) maintained close proximity (min 68m, avg 155m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6499450000000024374458007514476776123046875,
            "lon": 142.54302999999998746716300956904888153076171875
        },
        "time_window": {
            "start_ts": "2026-10-23T08:06:06+00:00",
            "end_ts": "2026-10-23T08:46:08+00:00"
        },
        "searched_at": "2026-10-23T09:45:01.336324+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Sakhalin South Approach Oct 23, 2026 07:40 UTC 82/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 68 meters
  • Average Distance: 155 meters
  • Duration: 1h 4m
  • Period: 2026-10-23T07:40:37+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Sakhalin South Approach

Confidence Analysis

Score: 82/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 68m, avg 155m) for 64 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 68m, avg 155m
Duration15/25Duration 64 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±39m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Sakhalin South Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T13:30:04.136586+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 68.400000000000005684341886080801486968994140625,
    "avg_distance_m": 154.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 39.2999999999999971578290569595992565155029296875,
    "duration_minutes": 64.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 3857,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-10-23T07:40:37+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 82,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 155m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 64 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b139m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Sakhalin South Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 68m, avg 155m) for 64 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6499189999999970268618199042975902557373046875,
            "lon": 142.542867900000004510729922913014888763427734375
        },
        "time_window": {
            "start_ts": "2026-10-23T07:40:37+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T13:30:04.136586+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Prigorodnoye/Sakhalin LNG Oct 23, 2026 07:40 UTC 82/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 68 meters
  • Average Distance: 155 meters
  • Duration: 1h 4m
  • Period: 2026-10-23T07:40:37+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Prigorodnoye/Sakhalin LNG

Confidence Analysis

Score: 82/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 68m, avg 155m) for 64 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye/Sakhalin LNG, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 68m, avg 155m
Duration15/25Duration 64 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±39m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Prigorodnoye/Sakhalin LNG

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T13:30:01.431178+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 68.400000000000005684341886080801486968994140625,
    "avg_distance_m": 154.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 39.2999999999999971578290569595992565155029296875,
    "duration_minutes": 64.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 3857,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-10-23T07:40:37+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 82,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 155m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 64 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b139m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Prigorodnoye\/Sakhalin LNG"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 68m, avg 155m) for 64 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6499189999999970268618199042975902557373046875,
            "lon": 142.542867900000004510729922913014888763427734375
        },
        "time_window": {
            "start_ts": "2026-10-23T07:40:37+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T13:30:01.431178+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 07:01 UTC 75.0%
  • Duration: 1h 44m
  • Radius: 383 meters
  • Data Points: 13 AIS positions
  • Centroid: 46.6502, 142.5431
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 382.80000000000001136868377216160297393798828125,
    "duration_minutes": 104.5,
    "points": 13,
    "centroid": {
        "lat": 46.6502333307692396147103863768279552459716796875,
        "lon": 142.543108969230758020785287953913211822509765625
    },
    "bbox": {
        "min_lat": 46.6467999999999989313437254168093204498291015625,
        "min_lon": 142.5409832999999935054802335798740386962890625,
        "max_lat": 46.65093329999999838264557183720171451568603515625,
        "max_lon": 142.543800000000004501998773775994777679443359375
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 07:01 UTC 75.0%
  • Duration: 1h 44m
  • Radius: 383 meters
  • Data Points: 13 AIS positions
  • Centroid: 46.6502, 142.5431
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 382.80000000000001136868377216160297393798828125,
    "duration_minutes": 104.5,
    "points": 13,
    "centroid": {
        "lat": 46.6502333307692396147103863768279552459716796875,
        "lon": 142.543108969230758020785287953913211822509765625
    },
    "bbox": {
        "min_lat": 46.6467999999999989313437254168093204498291015625,
        "min_lon": 142.5409832999999935054802335798740386962890625,
        "max_lat": 46.65093329999999838264557183720171451568603515625,
        "max_lon": 142.543800000000004501998773775994777679443359375
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 07:01 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 1h 44m
  • Data Points: 13 AIS positions
  • Period: 2026-10-23T07:01:37+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 104.5,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-10-23T07:01:37+00:00",
        "lat": 46.6467999999999989313437254168093204498291015625,
        "lon": 142.543499999999994543031789362430572509765625
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 07:01 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 1h 44m
  • Data Points: 13 AIS positions
  • Period: 2026-10-23T07:01:37+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 104.5,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-10-23T07:01:37+00:00",
        "lat": 46.6467999999999989313437254168093204498291015625,
        "lon": 142.543499999999994543031789362430572509765625
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Sakhalin South Approach Oct 23, 2026 06:34 UTC 88/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 141 meters
  • Duration: 2h 10m
  • Period: 2026-10-23T06:34:34+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Sakhalin South Approach

Confidence Analysis

Score: 88/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 141m) for 130 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 141m
Duration25/25Duration 130 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±50m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Sakhalin South Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T12:45:10.712340+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 140.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 50.2000000000000028421709430404007434844970703125,
    "duration_minutes": 130.30000000000001136868377216160297393798828125,
    "overlap_duration_s": 7820,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-10-23T06:34:34+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 141m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 130 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b150m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 141m) for 130 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6496518000000008896677172742784023284912109375,
            "lon": 142.542968500000000631189323030412197113037109375
        },
        "time_window": {
            "start_ts": "2026-10-23T06:34:34+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T12:45:10.712340+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Prigorodnoye/Sakhalin LNG Oct 23, 2026 06:34 UTC 88/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 141 meters
  • Duration: 2h 10m
  • Period: 2026-10-23T06:34:34+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Prigorodnoye/Sakhalin LNG

Confidence Analysis

Score: 88/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 141m) for 130 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye/Sakhalin LNG, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 141m
Duration25/25Duration 130 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±50m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Prigorodnoye/Sakhalin LNG

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T12:45:08.328258+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 140.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 50.2000000000000028421709430404007434844970703125,
    "duration_minutes": 130.30000000000001136868377216160297393798828125,
    "overlap_duration_s": 7820,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-10-23T06:34:34+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 141m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 130 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b150m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 141m) for 130 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.6496518000000008896677172742784023284912109375,
            "lon": 142.542968500000000631189323030412197113037109375
        },
        "time_window": {
            "start_ts": "2026-10-23T06:34:34+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T12:45:08.328258+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 06:05 UTC 75.0%
  • Duration: 2h 40m
  • Radius: 361 meters
  • Data Points: 20 AIS positions
  • Centroid: 46.6500, 142.5426
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 361.19999999999998863131622783839702606201171875,
    "duration_minutes": 160.30000000000001136868377216160297393798828125,
    "points": 20,
    "centroid": {
        "lat": 46.6499916650000017170896171592175960540771484375,
        "lon": 142.54261249999996152837411500513553619384765625
    },
    "bbox": {
        "min_lat": 46.6467999999999989313437254168093204498291015625,
        "min_lon": 142.5405332999999927778844721615314483642578125,
        "max_lat": 46.65093329999999838264557183720171451568603515625,
        "max_lon": 142.5443500000000085492501966655254364013671875
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 06:05 UTC 75.0%
  • Duration: 2h 40m
  • Radius: 361 meters
  • Data Points: 20 AIS positions
  • Centroid: 46.6500, 142.5426
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 361.19999999999998863131622783839702606201171875,
    "duration_minutes": 160.30000000000001136868377216160297393798828125,
    "points": 20,
    "centroid": {
        "lat": 46.6499916650000017170896171592175960540771484375,
        "lon": 142.54261249999996152837411500513553619384765625
    },
    "bbox": {
        "min_lat": 46.6467999999999989313437254168093204498291015625,
        "min_lon": 142.5405332999999927778844721615314483642578125,
        "max_lat": 46.65093329999999838264557183720171451568603515625,
        "max_lon": 142.5443500000000085492501966655254364013671875
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 06:05 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 2h 40m
  • Data Points: 20 AIS positions
  • Period: 2026-10-23T06:05:51+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 160.30000000000001136868377216160297393798828125,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-10-23T06:05:51+00:00",
        "lat": 46.6502167000000014240868040360510349273681640625,
        "lon": 142.5405332999999927778844721615314483642578125
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 06:05 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 2h 40m
  • Data Points: 20 AIS positions
  • Period: 2026-10-23T06:05:51+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 160.30000000000001136868377216160297393798828125,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-10-23T06:05:51+00:00",
        "lat": 46.6502167000000014240868040360510349273681640625,
        "lon": 142.5405332999999927778844721615314483642578125
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 05:16 UTC 75.0%
  • Duration: 3h 29m
  • Radius: 374 meters
  • Data Points: 23 AIS positions
  • Centroid: 46.6501, 142.5426
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 373.8999999999999772626324556767940521240234375,
    "duration_minutes": 209.5,
    "points": 23,
    "centroid": {
        "lat": 46.65011159130434492681160918436944484710693359375,
        "lon": 142.5426485521738868555985391139984130859375
    },
    "bbox": {
        "min_lat": 46.6467999999999989313437254168093204498291015625,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.544516700000002629167283885180950164794921875
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 05:16 UTC 75.0%
  • Duration: 3h 29m
  • Radius: 374 meters
  • Data Points: 23 AIS positions
  • Centroid: 46.6501, 142.5426
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 373.8999999999999772626324556767940521240234375,
    "duration_minutes": 209.5,
    "points": 23,
    "centroid": {
        "lat": 46.65011159130434492681160918436944484710693359375,
        "lon": 142.5426485521738868555985391139984130859375
    },
    "bbox": {
        "min_lat": 46.6467999999999989313437254168093204498291015625,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.544516700000002629167283885180950164794921875
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 05:16 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 3h 29m
  • Data Points: 23 AIS positions
  • Period: 2026-10-23T05:16:36+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 209.5,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-10-23T05:16:36+00:00",
        "lat": 46.6516333000000003039531293325126171112060546875,
        "lon": 142.5439000000000078216544352471828460693359375
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 05:16 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 3h 29m
  • Data Points: 23 AIS positions
  • Period: 2026-10-23T05:16:36+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 209.5,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-10-23T05:16:36+00:00",
        "lat": 46.6516333000000003039531293325126171112060546875,
        "lon": 142.5439000000000078216544352471828460693359375
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Sakhalin South Approach Oct 23, 2026 04:25 UTC 92/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 147 meters
  • Duration: 4h 18m
  • Period: 2026-10-23T04:25:59+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Sakhalin South Approach

Confidence Analysis

Score: 92/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 147m) for 259 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 147m
Duration25/25Duration 259 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±50m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Sakhalin South Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T10:45:10.431778+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 147.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 49.89999999999999857891452847979962825775146484375,
    "duration_minutes": 258.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 15535,
    "speed_a_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_a_std": 0.0899999999999999966693309261245303787291049957275390625,
    "speed_b_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_std": 0.11000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-10-23T04:25:59+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 147m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 259 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b150m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 147m) for 259 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.64946809999999999263309291563928127288818359375,
            "lon": 142.542810400000007575727067887783050537109375
        },
        "time_window": {
            "start_ts": "2026-10-23T04:25:59+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T10:45:10.431778+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Prigorodnoye/Sakhalin LNG Oct 23, 2026 04:25 UTC 92/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 147 meters
  • Duration: 4h 18m
  • Period: 2026-10-23T04:25:59+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Prigorodnoye/Sakhalin LNG

Confidence Analysis

Score: 92/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 147m) for 259 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye/Sakhalin LNG, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 147m
Duration25/25Duration 259 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±50m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Prigorodnoye/Sakhalin LNG

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T10:45:07.932799+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 147.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 49.89999999999999857891452847979962825775146484375,
    "duration_minutes": 258.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 15535,
    "speed_a_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_a_std": 0.0899999999999999966693309261245303787291049957275390625,
    "speed_b_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_std": 0.11000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-10-23T04:25:59+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 147m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 259 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b150m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 147m) for 259 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.64946809999999999263309291563928127288818359375,
            "lon": 142.542810400000007575727067887783050537109375
        },
        "time_window": {
            "start_ts": "2026-10-23T04:25:59+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T10:45:07.932799+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 04:07 UTC 75.0%
  • Duration: 4h 38m
  • Radius: 436 meters
  • Data Points: 30 AIS positions
  • Centroid: 46.6497, 142.5426
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 436.30000000000001136868377216160297393798828125,
    "duration_minutes": 278.80000000000001136868377216160297393798828125,
    "points": 30,
    "centroid": {
        "lat": 46.6496649999999846158971195109188556671142578125,
        "lon": 142.5426261100000147052924148738384246826171875
    },
    "bbox": {
        "min_lat": 46.6459167000000007874405127950012683868408203125,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.544516700000002629167283885180950164794921875
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 04:07 UTC 75.0%
  • Duration: 4h 38m
  • Radius: 436 meters
  • Data Points: 30 AIS positions
  • Centroid: 46.6497, 142.5426
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 436.30000000000001136868377216160297393798828125,
    "duration_minutes": 278.80000000000001136868377216160297393798828125,
    "points": 30,
    "centroid": {
        "lat": 46.6496649999999846158971195109188556671142578125,
        "lon": 142.5426261100000147052924148738384246826171875
    },
    "bbox": {
        "min_lat": 46.6459167000000007874405127950012683868408203125,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.544516700000002629167283885180950164794921875
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 04:07 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 4h 38m
  • Data Points: 30 AIS positions
  • Period: 2026-10-23T04:07:22+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 278.80000000000001136868377216160297393798828125,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-10-23T04:07:22+00:00",
        "lat": 46.6459167000000007874405127950012683868408203125,
        "lon": 142.544316699999995989855960942804813385009765625
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 04:07 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 4h 38m
  • Data Points: 30 AIS positions
  • Period: 2026-10-23T04:07:22+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 278.80000000000001136868377216160297393798828125,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-10-23T04:07:22+00:00",
        "lat": 46.6459167000000007874405127950012683868408203125,
        "lon": 142.544316699999995989855960942804813385009765625
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Sakhalin South Approach Oct 23, 2026 03:04 UTC 88/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 159 meters
  • Duration: 5h 40m
  • Period: 2026-10-23T03:04:49+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.2 knots
  • Zone: Sakhalin South Approach

Confidence Analysis

Score: 88/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 159m) for 340 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 159m
Duration25/25Duration 340 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±72m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Sakhalin South Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T09:45:12.668636+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 159.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 71.7999999999999971578290569595992565155029296875,
    "duration_minutes": 340.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 20405,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_avg": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_b_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.1499999999999999944488848768742172978818416595458984375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-10-23T03:04:49+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 159m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 340 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b172m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 159m) for 340 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.649187200000000075306161306798458099365234375,
            "lon": 142.542925599999989572097547352313995361328125
        },
        "time_window": {
            "start_ts": "2026-10-23T03:04:49+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T09:45:12.668636+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Prigorodnoye/Sakhalin LNG Oct 23, 2026 03:04 UTC 88/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 159 meters
  • Duration: 5h 40m
  • Period: 2026-10-23T03:04:49+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.2 knots
  • Zone: Prigorodnoye/Sakhalin LNG

Confidence Analysis

Score: 88/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 159m) for 340 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye/Sakhalin LNG, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 159m
Duration25/25Duration 340 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±72m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Prigorodnoye/Sakhalin LNG

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-10-23T09:45:09.775084+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 159.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 71.7999999999999971578290569595992565155029296875,
    "duration_minutes": 340.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 20405,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_avg": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_b_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.05000000000000000277555756156289135105907917022705078125,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.1499999999999999944488848768742172978818416595458984375,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-10-23T03:04:49+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 159m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 340 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b172m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 159m) for 340 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 46.649187200000000075306161306798458099365234375,
            "lon": 142.542925599999989572097547352313995361328125
        },
        "time_window": {
            "start_ts": "2026-10-23T03:04:49+00:00",
            "end_ts": "2026-10-23T08:44:54+00:00"
        },
        "searched_at": "2026-10-23T09:45:09.775084+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 03:02 UTC 75.0%
  • Duration: 5h 43m
  • Radius: 482 meters
  • Data Points: 37 AIS positions
  • Centroid: 46.6493, 142.5428
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 481.6000000000000227373675443232059478759765625,
    "duration_minutes": 343.30000000000001136868377216160297393798828125,
    "points": 37,
    "centroid": {
        "lat": 46.64930315405404570583414169959723949432373046875,
        "lon": 142.542842340540545365001889877021312713623046875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.544516700000002629167283885180950164794921875
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 03:02 UTC 75.0%
  • Duration: 5h 43m
  • Radius: 482 meters
  • Data Points: 37 AIS positions
  • Centroid: 46.6493, 142.5428
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 481.6000000000000227373675443232059478759765625,
    "duration_minutes": 343.30000000000001136868377216160297393798828125,
    "points": 37,
    "centroid": {
        "lat": 46.64930315405404570583414169959723949432373046875,
        "lon": 142.542842340540545365001889877021312713623046875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.544516700000002629167283885180950164794921875
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 03:02 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 5h 43m
  • Data Points: 37 AIS positions
  • Period: 2026-10-23T03:02:52+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 343.30000000000001136868377216160297393798828125,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-10-23T03:02:52+00:00",
        "lat": 46.64833329999999733672666479833424091339111328125,
        "lon": 142.544499999999999317878973670303821563720703125
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 03:02 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 5h 43m
  • Data Points: 37 AIS positions
  • Period: 2026-10-23T03:02:52+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 343.30000000000001136868377216160297393798828125,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-10-23T03:02:52+00:00",
        "lat": 46.64833329999999733672666479833424091339111328125,
        "lon": 142.544499999999999317878973670303821563720703125
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 02:05 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 476 meters
  • Data Points: 41 AIS positions
  • Centroid: 46.6493, 142.5429
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 475.69999999999998863131622783839702606201171875,
    "duration_minutes": 393.5,
    "points": 41,
    "centroid": {
        "lat": 46.64925243902438722898295964114367961883544921875,
        "lon": 142.542875202439034865165012888610363006591796875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.5446666999999933977960608899593353271484375
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 02:05 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 476 meters
  • Data Points: 41 AIS positions
  • Centroid: 46.6493, 142.5429
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 475.69999999999998863131622783839702606201171875,
    "duration_minutes": 393.5,
    "points": 41,
    "centroid": {
        "lat": 46.64925243902438722898295964114367961883544921875,
        "lon": 142.542875202439034865165012888610363006591796875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.5446666999999933977960608899593353271484375
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 02:05 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 6h 33m
  • Data Points: 41 AIS positions
  • Period: 2026-10-23T02:12:37+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 393.5,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-10-23T02:12:37+00:00",
        "lat": 46.65104999999999790816218592226505279541015625,
        "lon": 142.5446666999999933977960608899593353271484375
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 02:05 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 6h 33m
  • Data Points: 41 AIS positions
  • Period: 2026-10-23T02:12:37+00:00 to 2026-10-23T08:46:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 393.5,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-10-23T02:12:37+00:00",
        "lat": 46.65104999999999790816218592226505279541015625,
        "lon": 142.5446666999999933977960608899593353271484375
    },
    "last_point": {
        "ts": "2026-10-23T08:46:08+00:00",
        "lat": 46.65008329999999858728187973611056804656982421875,
        "lon": 142.5409832999999935054802335798740386962890625
    }
}

Methodology: 2026.01.18

Sts Sakhalin South Approach Oct 23, 2026 02:05 UTC 88/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 167 meters
  • Duration: 6h 25m
  • Period: 2026-10-23T02:18:59+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.2 knots
  • Zone: Sakhalin South Approach

Confidence Analysis

Score: 88/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 167m) for 386 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 167m
Duration25/25Duration 386 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±82m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 167.099999999999994315658113919198513031005859375,
    "distance_consistency_m": 82.2999999999999971578290569595992565155029296875,
    "duration_minutes": 385.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 23155,
    "speed_a_avg": 0.11999999999999999555910790149937383830547332763671875,
    "speed_a_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_b_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.11999999999999999555910790149937383830547332763671875,
            "max_sog": 0.59999999999999997779553950749686919152736663818359375
        },
        "vessel_b": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-10-23T02:18:59+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 25,
        "vessel_b": 25
    },
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 167m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 386 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b182m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 167m) for 386 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Sakhalin South Approach, a known STS activity area."
    }
}

Methodology: 2026.01.18

Sts Prigorodnoye/Sakhalin LNG Oct 23, 2026 02:05 UTC 88/100
Vessel A: IMO 9183817 (BUKHTA NAGAEVA) RUSSIA
Vessel B: SOLARIS (SOLARIS) OMAN
  • Minimum Distance: 43 meters
  • Average Distance: 167 meters
  • Duration: 6h 25m
  • Period: 2026-10-23T02:18:59+00:00 to 2026-10-23T08:44:54+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.2 knots
  • Zone: Prigorodnoye/Sakhalin LNG

Confidence Analysis

Score: 88/100

High-confidence STS candidate. Two tankers (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 167m) for 386 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye/Sakhalin LNG, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 43m, avg 167m
Duration25/25Duration 386 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±82m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273219140,
        "imo": 9183817,
        "name": "BUKHTA NAGAEVA",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 461000248,
        "imo": 9333436,
        "name": "SOLARIS",
        "flag": "OMAN"
    },
    "min_distance_m": 42.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 167.099999999999994315658113919198513031005859375,
    "distance_consistency_m": 82.2999999999999971578290569595992565155029296875,
    "duration_minutes": 385.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 23155,
    "speed_a_avg": 0.11999999999999999555910790149937383830547332763671875,
    "speed_a_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_b_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.11999999999999999555910790149937383830547332763671875,
            "max_sog": 0.59999999999999997779553950749686919152736663818359375
        },
        "vessel_b": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-10-23T02:18:59+00:00",
        "end": "2026-10-23T08:44:54+00:00"
    },
    "points_count": {
        "vessel_a": 25,
        "vessel_b": 25
    },
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 167m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 386 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b182m"
            },
            "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 (BUKHTA NAGAEVA and SOLARIS) maintained close proximity (min 43m, avg 167m) for 386 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Prigorodnoye\/Sakhalin LNG, a known STS activity area."
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 01:00 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 485 meters
  • Data Points: 42 AIS positions
  • Centroid: 46.6493, 142.5431
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 484.5,
    "duration_minutes": 390.80000000000001136868377216160297393798828125,
    "points": 42,
    "centroid": {
        "lat": 46.64934682619047379148469190113246440887451171875,
        "lon": 142.543102776190465874606161378324031829833984375
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 01:00 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 485 meters
  • Data Points: 42 AIS positions
  • Centroid: 46.6493, 142.5431
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 484.5,
    "duration_minutes": 390.80000000000001136868377216160297393798828125,
    "points": 42,
    "centroid": {
        "lat": 46.64934682619047379148469190113246440887451171875,
        "lon": 142.543102776190465874606161378324031829833984375
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 01:00 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 6h 30m
  • Data Points: 42 AIS positions
  • Period: 2026-10-23T01:50:24+00:00 to 2026-10-23T08:21:14+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 390.80000000000001136868377216160297393798828125,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-10-23T01:50:24+00:00",
        "lat": 46.65053329999999931487764115445315837860107421875,
        "lon": 142.546033300000004828689270652830600738525390625
    },
    "last_point": {
        "ts": "2026-10-23T08:21:14+00:00",
        "lat": 46.6508333000000021684172679670155048370361328125,
        "lon": 142.543800000000004501998773775994777679443359375
    }
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 01:00 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 6h 30m
  • Data Points: 42 AIS positions
  • Period: 2026-10-23T01:50:24+00:00 to 2026-10-23T08:21:14+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 390.80000000000001136868377216160297393798828125,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-10-23T01:50:24+00:00",
        "lat": 46.65053329999999931487764115445315837860107421875,
        "lon": 142.546033300000004828689270652830600738525390625
    },
    "last_point": {
        "ts": "2026-10-23T08:21:14+00:00",
        "lat": 46.6508333000000021684172679670155048370361328125,
        "lon": 142.543800000000004501998773775994777679443359375
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 23, 2026 00:13 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 435 meters
  • Data Points: 41 AIS positions
  • Centroid: 46.6489, 142.5430
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 434.80000000000001136868377216160297393798828125,
    "duration_minutes": 390.1000000000000227373675443232059478759765625,
    "points": 41,
    "centroid": {
        "lat": 46.6488914682926889554437366314232349395751953125,
        "lon": 142.542996746341458447204786352813243865966796875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 23, 2026 00:13 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 435 meters
  • Data Points: 41 AIS positions
  • Centroid: 46.6489, 142.5430
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 434.80000000000001136868377216160297393798828125,
    "duration_minutes": 390.1000000000000227373675443232059478759765625,
    "points": 41,
    "centroid": {
        "lat": 46.6488914682926889554437366314232349395751953125,
        "lon": 142.542996746341458447204786352813243865966796875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 23, 2026 00:13 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 6h 30m
  • Data Points: 41 AIS positions
  • Period: 2026-10-23T00:55:36+00:00 to 2026-10-23T07:25:40+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-10-23T00:55:36+00:00",
        "lat": 46.6475166999999970585122355259954929351806640625,
        "lon": 142.54391670000001113294274546205997467041015625
    },
    "last_point": {
        "ts": "2026-10-23T07:25:40+00:00",
        "lat": 46.650266700000003083914634771645069122314453125,
        "lon": 142.542433299999999007923179306089878082275390625
    }
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 23, 2026 00:13 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 6h 30m
  • Data Points: 41 AIS positions
  • Period: 2026-10-23T00:55:36+00:00 to 2026-10-23T07:25:40+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-10-23T00:55:36+00:00",
        "lat": 46.6475166999999970585122355259954929351806640625,
        "lon": 142.54391670000001113294274546205997467041015625
    },
    "last_point": {
        "ts": "2026-10-23T07:25:40+00:00",
        "lat": 46.650266700000003083914634771645069122314453125,
        "lon": 142.542433299999999007923179306089878082275390625
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 22, 2026 23:09 UTC 75.0%
  • Duration: 6h 25m
  • Radius: 430 meters
  • Data Points: 42 AIS positions
  • Centroid: 46.6489, 142.5431
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 429.8999999999999772626324556767940521240234375,
    "duration_minutes": 385.8999999999999772626324556767940521240234375,
    "points": 42,
    "centroid": {
        "lat": 46.648855161904748456436209380626678466796875,
        "lon": 142.54311785476193108479492366313934326171875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 22, 2026 23:09 UTC 75.0%
  • Duration: 6h 25m
  • Radius: 430 meters
  • Data Points: 42 AIS positions
  • Centroid: 46.6489, 142.5431
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 429.8999999999999772626324556767940521240234375,
    "duration_minutes": 385.8999999999999772626324556767940521240234375,
    "points": 42,
    "centroid": {
        "lat": 46.648855161904748456436209380626678466796875,
        "lon": 142.54311785476193108479492366313934326171875
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.540249999999986130205797962844371795654296875,
        "max_lat": 46.6522666999999984227542881853878498077392578125,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Zone Dwell Prigorodnoye/Sakhalin LNG Oct 22, 2026 23:09 UTC 80.0%
  • Zone: Prigorodnoye/Sakhalin LNG
  • Duration: 6h 25m
  • Data Points: 42 AIS positions
  • Period: 2026-10-22T23:57:57+00:00 to 2026-10-23T06:23:49+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_prigorodnoye",
    "zone_name": "Prigorodnoye\/Sakhalin LNG",
    "dwell_minutes": 385.8999999999999772626324556767940521240234375,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-10-22T23:57:57+00:00",
        "lat": 46.65084999999999837427822058089077472686767578125,
        "lon": 142.54325000000000045474735088646411895751953125
    },
    "last_point": {
        "ts": "2026-10-23T06:23:49+00:00",
        "lat": 46.6495833000000033052856451831758022308349609375,
        "lon": 142.5414167000000134066794998943805694580078125
    }
}

Methodology: 2026.01.18

Zone Dwell Sakhalin South Approach Oct 22, 2026 23:09 UTC 80.0%
  • Zone: Sakhalin South Approach
  • Duration: 6h 25m
  • Data Points: 42 AIS positions
  • Period: 2026-10-22T23:57:57+00:00 to 2026-10-23T06:23:49+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_sakhalin_south",
    "zone_name": "Sakhalin South Approach",
    "dwell_minutes": 385.8999999999999772626324556767940521240234375,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-10-22T23:57:57+00:00",
        "lat": 46.65084999999999837427822058089077472686767578125,
        "lon": 142.54325000000000045474735088646411895751953125
    },
    "last_point": {
        "ts": "2026-10-23T06:23:49+00:00",
        "lat": 46.6495833000000033052856451831758022308349609375,
        "lon": 142.5414167000000134066794998943805694580078125
    }
}

Methodology: 2026.01.18

Loiter Sakhalin South Approach Oct 22, 2026 22:04 UTC 75.0%
  • Duration: 6h 28m
  • Radius: 437 meters
  • Data Points: 43 AIS positions
  • Centroid: 46.6489, 142.5437
  • Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
    "radius_m": 437.30000000000001136868377216160297393798828125,
    "duration_minutes": 388.3999999999999772626324556767940521240234375,
    "points": 43,
    "centroid": {
        "lat": 46.648932948837199319314095191657543182373046875,
        "lon": 142.543668600000074775380198843777179718017578125
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.541483300000010103758540935814380645751953125,
        "max_lat": 46.65206669999999888887032284401357173919677734375,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_sakhalin_south"
}

Methodology: 2026.01.18

Loiter Prigorodnoye/Sakhalin LNG Oct 22, 2026 22:04 UTC 75.0%
  • Duration: 6h 28m
  • Radius: 437 meters
  • Data Points: 43 AIS positions
  • Centroid: 46.6489, 142.5437
  • Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
    "radius_m": 437.30000000000001136868377216160297393798828125,
    "duration_minutes": 388.3999999999999772626324556767940521240234375,
    "points": 43,
    "centroid": {
        "lat": 46.648932948837199319314095191657543182373046875,
        "lon": 142.543668600000074775380198843777179718017578125
    },
    "bbox": {
        "min_lat": 46.64500000000000312638803734444081783294677734375,
        "min_lon": 142.541483300000010103758540935814380645751953125,
        "max_lat": 46.65206669999999888887032284401357173919677734375,
        "max_lon": 142.546033300000004828689270652830600738525390625
    },
    "zone_id": "russia_prigorodnoye"
}

Methodology: 2026.01.18

Source snapshot

SanctionerAs ofEntity ID
🇬🇧 UK2025-09-299333436
🇺🇸 US2025-09-299333436

We mirror official lists; always verify at the source.

Sanctioned on the same day

  • BODHI · IMO 9144782 🇪🇺 EU🇳🇿 NZ🇬🇧 UK
  • DHEZI · IMO 9289520 🇪🇺 EU🇬🇧 UK
  • LAVENDER · IMO 9339337 🇪🇺 EU🇳🇿 NZ🇬🇧 UK🇺🇸 US
  • MAYLO · IMO 9331153 🇪🇺 EU🇬🇧 UK
  • NEFRIT · IMO 9402471 🇪🇺 EU🇬🇧 UK
  • OSANA · IMO 9394935 🇪🇺 EU🇳🇿 NZ🇬🇧 UK
  • RIZVEL · IMO 9331141 🇪🇺 EU🇳🇿 NZ🇬🇧 UK
  • ROSALIND · IMO 9277735 🇪🇺 EU🇳🇿 NZ🇬🇧 UK