IMO 9621077
Vessel information
Vessel Name
PACIFIC ARCADIA
IMO Number
9621077
MMSI
311072200
Vessel Type
Tanker
Flag
🇧🇸 Bahamas
Call Sign
C6ZY6
Length
288 m
Beam
49 m
Detected Events (100)
Ais Gap🛰️✗
Prigorodnoye/Sakhalin LNG
- Gap Duration: 4h 32m
- Last Seen: 2026-09-08T03:41:43+00:00 at 46.0325, 142.5778 (Zone: Prigorodnoye/Sakhalin LNG)
- Next Seen: 2026-09-08T08:14:02+00:00 at 45.8223, 141.7191
🛰️ Gap Corroboration
No Imagery
These are snapshots that may corroborate presence during the gap. They do not reconstruct a continuous route.
SAR Imagery (Sentinel-1)
Status: ✗ No SAR coverage
No Sentinel-1 scenes covering corridor and time window
VIIRS Thermal Anomaly
Status: ✗ No detections
No VIIRS thermal/light detections in corridor
Show Raw Evidence JSON
{
"gap_minutes": 272.30000000000001136868377216160297393798828125,
"last_seen": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875,
"sog": 10.4000000000000003552713678800500929355621337890625,
"zone_id": "russia_prigorodnoye"
},
"next_seen": {
"ts": "2026-09-08T08:14:02+00:00",
"lat": 45.822311700000000200816430151462554931640625,
"lon": 141.7191149999999879582901485264301300048828125,
"zone_ids": [
"discovered_058"
]
},
"gap_enrichment": {
"status": "not_found",
"corridor": {
"start": {
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875,
"ts": "2026-09-08T03:41:43+00:00"
},
"end": {
"lat": 45.822311700000000200816430151462554931640625,
"lon": 141.7191149999999879582901485264301300048828125,
"ts": "2026-09-08T08:14:02+00:00"
},
"bbox": {
"min_lat": 45.64213199999999659439708921127021312713623046875,
"min_lon": 141.460074999999989131538313813507556915283203125,
"max_lat": 46.21264800000000150248524732887744903564453125,
"max_lon": 142.83683999999999514329829253256320953369140625
},
"buffer_km": 20
},
"sar": {
"status": "not_found",
"notes": "No Sentinel-1 scenes covering corridor and time window"
},
"viirs": {
"status": "not_found",
"notes": "No VIIRS thermal\/light detections in corridor"
},
"searched_at": "2026-09-08T08:30:01.636111+00:00"
}
}
Methodology: 2026.01.18
Ais Gap🛰️✗
Sakhalin South Approach
- Gap Duration: 4h 32m
- Last Seen: 2026-09-08T03:41:43+00:00 at 46.0325, 142.5778 (Zone: Sakhalin South Approach)
- Next Seen: 2026-09-08T08:14:02+00:00 at 45.8223, 141.7191
🛰️ Gap Corroboration
No Imagery
These are snapshots that may corroborate presence during the gap. They do not reconstruct a continuous route.
SAR Imagery (Sentinel-1)
Status: ✗ No SAR coverage
No Sentinel-1 scenes covering corridor and time window
VIIRS Thermal Anomaly
Status: ✗ No detections
No VIIRS thermal/light detections in corridor
Show Raw Evidence JSON
{
"gap_minutes": 272.30000000000001136868377216160297393798828125,
"last_seen": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875,
"sog": 10.4000000000000003552713678800500929355621337890625,
"zone_id": "russia_sakhalin_south"
},
"next_seen": {
"ts": "2026-09-08T08:14:02+00:00",
"lat": 45.822311700000000200816430151462554931640625,
"lon": 141.7191149999999879582901485264301300048828125,
"zone_ids": [
"discovered_058"
]
},
"gap_enrichment": {
"status": "not_found",
"corridor": {
"start": {
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875,
"ts": "2026-09-08T03:41:43+00:00"
},
"end": {
"lat": 45.822311700000000200816430151462554931640625,
"lon": 141.7191149999999879582901485264301300048828125,
"ts": "2026-09-08T08:14:02+00:00"
},
"bbox": {
"min_lat": 45.64213199999999659439708921127021312713623046875,
"min_lon": 141.460074999999989131538313813507556915283203125,
"max_lat": 46.21264800000000150248524732887744903564453125,
"max_lon": 142.83683999999999514329829253256320953369140625
},
"buffer_km": 20
},
"sar": {
"status": "not_found",
"notes": "No Sentinel-1 scenes covering corridor and time window"
},
"viirs": {
"status": "not_found",
"notes": "No VIIRS thermal\/light detections in corridor"
},
"searched_at": "2026-09-08T08:30:05.030762+00:00"
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 1h 41m
- Data Points: 55 AIS positions
- Period: 2026-09-08T02:00:04+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 101.7000000000000028421709430404007434844970703125,
"points_in_zone": 55,
"first_point": {
"ts": "2026-09-08T02:00:04+00:00",
"lat": 46.3007582999999982575900503434240818023681640625,
"lon": 142.775271699999990460128174163401126861572265625
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 1h 41m
- Data Points: 55 AIS positions
- Period: 2026-09-08T02:00:04+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 101.7000000000000028421709430404007434844970703125,
"points_in_zone": 55,
"first_point": {
"ts": "2026-09-08T02:00:04+00:00",
"lat": 46.3007582999999982575900503434240818023681640625,
"lon": 142.775271699999990460128174163401126861572265625
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 2h 39m
- Data Points: 92 AIS positions
- Period: 2026-09-08T01:02:03+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 159.69999999999998863131622783839702606201171875,
"points_in_zone": 92,
"first_point": {
"ts": "2026-09-08T01:02:03+00:00",
"lat": 46.46089829999999665233190171420574188232421875,
"lon": 142.867028299999986984403221867978572845458984375
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 2h 39m
- Data Points: 92 AIS positions
- Period: 2026-09-08T01:02:03+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 159.69999999999998863131622783839702606201171875,
"points_in_zone": 92,
"first_point": {
"ts": "2026-09-08T01:02:03+00:00",
"lat": 46.46089829999999665233190171420574188232421875,
"lon": 142.867028299999986984403221867978572845458984375
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 3h 40m
- Data Points: 123 AIS positions
- Period: 2026-09-08T00:00:52+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 220.80000000000001136868377216160297393798828125,
"points_in_zone": 123,
"first_point": {
"ts": "2026-09-08T00:00:52+00:00",
"lat": 46.6174749999999988858689903281629085540771484375,
"lon": 142.89663669999998774073901586234569549560546875
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 3h 40m
- Data Points: 123 AIS positions
- Period: 2026-09-08T00:00:52+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 220.80000000000001136868377216160297393798828125,
"points_in_zone": 123,
"first_point": {
"ts": "2026-09-08T00:00:52+00:00",
"lat": 46.6174749999999988858689903281629085540771484375,
"lon": 142.89663669999998774073901586234569549560546875
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 4h 32m
- Data Points: 135 AIS positions
- Period: 2026-09-07T23:09:41+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 272,
"points_in_zone": 135,
"first_point": {
"ts": "2026-09-07T23:09:41+00:00",
"lat": 46.61975000000000335376171278767287731170654296875,
"lon": 142.899481699999995498728821985423564910888671875
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 4h 32m
- Data Points: 135 AIS positions
- Period: 2026-09-07T23:09:41+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 272,
"points_in_zone": 135,
"first_point": {
"ts": "2026-09-07T23:09:41+00:00",
"lat": 46.61975000000000335376171278767287731170654296875,
"lon": 142.899481699999995498728821985423564910888671875
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 5h 29m
- Data Points: 142 AIS positions
- Period: 2026-09-07T22:12:36+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 329.1000000000000227373675443232059478759765625,
"points_in_zone": 142,
"first_point": {
"ts": "2026-09-07T22:12:36+00:00",
"lat": 46.6197599999999994224708643741905689239501953125,
"lon": 142.8995032999999921230482868850231170654296875
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 5h 29m
- Data Points: 142 AIS positions
- Period: 2026-09-07T22:12:36+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 329.1000000000000227373675443232059478759765625,
"points_in_zone": 142,
"first_point": {
"ts": "2026-09-07T22:12:36+00:00",
"lat": 46.6197599999999994224708643741905689239501953125,
"lon": 142.8995032999999921230482868850231170654296875
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 1h 56m
- Radius: 986 meters
- Data Points: 23 AIS positions
- Centroid: 46.6188, 142.8985
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 986.200000000000045474735088646411895751953125,
"duration_minutes": 116.400000000000005684341886080801486968994140625,
"points": 23,
"centroid": {
"lat": 46.61881717391305102182741393335163593292236328125,
"lon": 142.898507034782596747390925884246826171875
},
"bbox": {
"min_lat": 46.61086499999999688270690967328846454620361328125,
"min_lon": 142.892799999999994042809703387320041656494140625,
"max_lat": 46.6197767000000027337591745890676975250244140625,
"max_lon": 142.8995032999999921230482868850231170654296875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 1h 56m
- Radius: 986 meters
- Data Points: 23 AIS positions
- Centroid: 46.6188, 142.8985
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 986.200000000000045474735088646411895751953125,
"duration_minutes": 116.400000000000005684341886080801486968994140625,
"points": 23,
"centroid": {
"lat": 46.61881717391305102182741393335163593292236328125,
"lon": 142.898507034782596747390925884246826171875
},
"bbox": {
"min_lat": 46.61086499999999688270690967328846454620361328125,
"min_lon": 142.892799999999994042809703387320041656494140625,
"max_lat": 46.6197767000000027337591745890676975250244140625,
"max_lon": 142.8995032999999921230482868850231170654296875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 26m
- Data Points: 145 AIS positions
- Period: 2026-09-07T21:15:37+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 386.1000000000000227373675443232059478759765625,
"points_in_zone": 145,
"first_point": {
"ts": "2026-09-07T21:15:37+00:00",
"lat": 46.61976829999999694109646952711045742034912109375,
"lon": 142.899448299999988876152201555669307708740234375
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 26m
- Data Points: 145 AIS positions
- Period: 2026-09-07T21:15:37+00:00 to 2026-09-08T03:41:43+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 386.1000000000000227373675443232059478759765625,
"points_in_zone": 145,
"first_point": {
"ts": "2026-09-07T21:15:37+00:00",
"lat": 46.61976829999999694109646952711045742034912109375,
"lon": 142.899448299999988876152201555669307708740234375
},
"last_point": {
"ts": "2026-09-08T03:41:43+00:00",
"lat": 46.03246829999999789606590638868510723114013671875,
"lon": 142.577799999999996316546457819640636444091796875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 2h 59m
- Radius: 1,005 meters
- Data Points: 27 AIS positions
- Centroid: 46.6190, 142.8986
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1005,
"duration_minutes": 179.400000000000005684341886080801486968994140625,
"points": 27,
"centroid": {
"lat": 46.618957466666671507482533343136310577392578125,
"lon": 142.898648833333339780438109301030635833740234375
},
"bbox": {
"min_lat": 46.61086499999999688270690967328846454620361328125,
"min_lon": 142.892799999999994042809703387320041656494140625,
"max_lat": 46.6197767000000027337591745890676975250244140625,
"max_lon": 142.8995032999999921230482868850231170654296875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 2h 59m
- Radius: 1,005 meters
- Data Points: 27 AIS positions
- Centroid: 46.6190, 142.8986
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1005,
"duration_minutes": 179.400000000000005684341886080801486968994140625,
"points": 27,
"centroid": {
"lat": 46.618957466666671507482533343136310577392578125,
"lon": 142.898648833333339780438109301030635833740234375
},
"bbox": {
"min_lat": 46.61086499999999688270690967328846454620361328125,
"min_lon": 142.892799999999994042809703387320041656494140625,
"max_lat": 46.6197767000000027337591745890676975250244140625,
"max_lon": 142.8995032999999921230482868850231170654296875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 37m
- Data Points: 140 AIS positions
- Period: 2026-09-07T20:51:37+00:00 to 2026-09-08T03:29:11+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 397.6000000000000227373675443232059478759765625,
"points_in_zone": 140,
"first_point": {
"ts": "2026-09-07T20:51:37+00:00",
"lat": 46.61977999999999866531652514822781085968017578125,
"lon": 142.899488300000001572698238305747509002685546875
},
"last_point": {
"ts": "2026-09-08T03:29:11+00:00",
"lat": 46.06495670000000330901457346044480800628662109375,
"lon": 142.6012617000000091138645075261592864990234375
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 37m
- Data Points: 140 AIS positions
- Period: 2026-09-07T20:51:37+00:00 to 2026-09-08T03:29:11+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 397.6000000000000227373675443232059478759765625,
"points_in_zone": 140,
"first_point": {
"ts": "2026-09-07T20:51:37+00:00",
"lat": 46.61977999999999866531652514822781085968017578125,
"lon": 142.899488300000001572698238305747509002685546875
},
"last_point": {
"ts": "2026-09-08T03:29:11+00:00",
"lat": 46.06495670000000330901457346044480800628662109375,
"lon": 142.6012617000000091138645075261592864990234375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 3h 59m
- Radius: 1,025 meters
- Data Points: 33 AIS positions
- Centroid: 46.6191, 142.8988
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1024.5,
"duration_minutes": 239.400000000000005684341886080801486968994140625,
"points": 33,
"centroid": {
"lat": 46.6191019666666619514217018149793148040771484375,
"lon": 142.89880005454546108012436889111995697021484375
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"bbox": {
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"max_lat": 46.61977999999999866531652514822781085968017578125,
"max_lon": 142.8995032999999921230482868850231170654296875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 3h 59m
- Radius: 1,025 meters
- Data Points: 33 AIS positions
- Centroid: 46.6191, 142.8988
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1024.5,
"duration_minutes": 239.400000000000005684341886080801486968994140625,
"points": 33,
"centroid": {
"lat": 46.6191019666666619514217018149793148040771484375,
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"bbox": {
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"max_lon": 142.8995032999999921230482868850231170654296875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 1h 22m
- Data Points: 25 AIS positions
- Period: 2026-09-06T19:02:51+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 82.2000000000000028421709430404007434844970703125,
"points_in_zone": 25,
"first_point": {
"ts": "2026-09-06T19:02:51+00:00",
"lat": 46.57192330000000168865881278179585933685302734375,
"lon": 142.871373299999987693809089250862598419189453125
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 1h 22m
- Data Points: 25 AIS positions
- Period: 2026-09-06T19:02:51+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 82.2000000000000028421709430404007434844970703125,
"points_in_zone": 25,
"first_point": {
"ts": "2026-09-06T19:02:51+00:00",
"lat": 46.57192330000000168865881278179585933685302734375,
"lon": 142.871373299999987693809089250862598419189453125
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 2h 23m
- Data Points: 43 AIS positions
- Period: 2026-09-06T18:01:19+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 143.69999999999998863131622783839702606201171875,
"points_in_zone": 43,
"first_point": {
"ts": "2026-09-06T18:01:19+00:00",
"lat": 46.5518383000000000038198777474462985992431640625,
"lon": 142.85858830000000807558535598218441009521484375
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 2h 23m
- Data Points: 43 AIS positions
- Period: 2026-09-06T18:01:19+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 143.69999999999998863131622783839702606201171875,
"points_in_zone": 43,
"first_point": {
"ts": "2026-09-06T18:01:19+00:00",
"lat": 46.5518383000000000038198777474462985992431640625,
"lon": 142.85858830000000807558535598218441009521484375
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 3h 17m
- Data Points: 54 AIS positions
- Period: 2026-09-06T17:07:16+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 197.69999999999998863131622783839702606201171875,
"points_in_zone": 54,
"first_point": {
"ts": "2026-09-06T17:07:16+00:00",
"lat": 46.55165670000000233130776905454695224761962890625,
"lon": 142.85980000000000700310920365154743194580078125
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 3h 17m
- Data Points: 54 AIS positions
- Period: 2026-09-06T17:07:16+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 197.69999999999998863131622783839702606201171875,
"points_in_zone": 54,
"first_point": {
"ts": "2026-09-06T17:07:16+00:00",
"lat": 46.55165670000000233130776905454695224761962890625,
"lon": 142.85980000000000700310920365154743194580078125
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 1h 44m
- Radius: 1,008 meters
- Data Points: 26 AIS positions
- Centroid: 46.5517, 142.8600
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1007.6000000000000227373675443232059478759765625,
"duration_minutes": 104.599999999999994315658113919198513031005859375,
"points": 26,
"centroid": {
"lat": 46.55165647692307828720004181377589702606201171875,
"lon": 142.86002769230771036745863966643810272216796875
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"bbox": {
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"min_lon": 142.857118299999996224869391880929470062255859375,
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"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 1h 44m
- Radius: 1,008 meters
- Data Points: 26 AIS positions
- Centroid: 46.5517, 142.8600
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1007.6000000000000227373675443232059478759765625,
"duration_minutes": 104.599999999999994315658113919198513031005859375,
"points": 26,
"centroid": {
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"bbox": {
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"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 4h 17m
- Data Points: 64 AIS positions
- Period: 2026-09-06T16:07:22+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 257.6000000000000227373675443232059478759765625,
"points_in_zone": 64,
"first_point": {
"ts": "2026-09-06T16:07:22+00:00",
"lat": 46.55192670000000276786522590555250644683837890625,
"lon": 142.85971330000000989457475952804088592529296875
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 4h 17m
- Data Points: 64 AIS positions
- Period: 2026-09-06T16:07:22+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 257.6000000000000227373675443232059478759765625,
"points_in_zone": 64,
"first_point": {
"ts": "2026-09-06T16:07:22+00:00",
"lat": 46.55192670000000276786522590555250644683837890625,
"lon": 142.85971330000000989457475952804088592529296875
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 2h 44m
- Radius: 1,006 meters
- Data Points: 36 AIS positions
- Centroid: 46.5517, 142.8600
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1005.799999999999954525264911353588104248046875,
"duration_minutes": 164.5,
"points": 36,
"centroid": {
"lat": 46.551685602777780559335951693356037139892578125,
"lon": 142.86001009444447618079720996320247650146484375
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"bbox": {
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"min_lon": 142.857118299999996224869391880929470062255859375,
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"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 2h 44m
- Radius: 1,006 meters
- Data Points: 36 AIS positions
- Centroid: 46.5517, 142.8600
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1005.799999999999954525264911353588104248046875,
"duration_minutes": 164.5,
"points": 36,
"centroid": {
"lat": 46.551685602777780559335951693356037139892578125,
"lon": 142.86001009444447618079720996320247650146484375
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"bbox": {
"min_lat": 46.5471016999999989138814271427690982818603515625,
"min_lon": 142.857118299999996224869391880929470062255859375,
"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 5h 23m
- Data Points: 75 AIS positions
- Period: 2026-09-06T15:01:16+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 323.69999999999998863131622783839702606201171875,
"points_in_zone": 75,
"first_point": {
"ts": "2026-09-06T15:01:16+00:00",
"lat": 46.55188170000000269510564976371824741363525390625,
"lon": 142.859375
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 5h 23m
- Data Points: 75 AIS positions
- Period: 2026-09-06T15:01:16+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 323.69999999999998863131622783839702606201171875,
"points_in_zone": 75,
"first_point": {
"ts": "2026-09-06T15:01:16+00:00",
"lat": 46.55188170000000269510564976371824741363525390625,
"lon": 142.859375
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 3h 50m
- Radius: 1,006 meters
- Data Points: 47 AIS positions
- Centroid: 46.5517, 142.8600
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1006.200000000000045474735088646411895751953125,
"duration_minutes": 230.599999999999994315658113919198513031005859375,
"points": 47,
"centroid": {
"lat": 46.551707159574476690977462567389011383056640625,
"lon": 142.8599595765957701587467454373836517333984375
},
"bbox": {
"min_lat": 46.5471016999999989138814271427690982818603515625,
"min_lon": 142.857118299999996224869391880929470062255859375,
"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 3h 50m
- Radius: 1,006 meters
- Data Points: 47 AIS positions
- Centroid: 46.5517, 142.8600
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1006.200000000000045474735088646411895751953125,
"duration_minutes": 230.599999999999994315658113919198513031005859375,
"points": 47,
"centroid": {
"lat": 46.551707159574476690977462567389011383056640625,
"lon": 142.8599595765957701587467454373836517333984375
},
"bbox": {
"min_lat": 46.5471016999999989138814271427690982818603515625,
"min_lon": 142.857118299999996224869391880929470062255859375,
"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 23m
- Data Points: 86 AIS positions
- Period: 2026-09-06T14:01:16+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 383.69999999999998863131622783839702606201171875,
"points_in_zone": 86,
"first_point": {
"ts": "2026-09-06T14:01:16+00:00",
"lat": 46.5520082999999971207216731272637844085693359375,
"lon": 142.8591016999999965264578349888324737548828125
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 23m
- Data Points: 86 AIS positions
- Period: 2026-09-06T14:01:16+00:00 to 2026-09-06T20:25:00+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 383.69999999999998863131622783839702606201171875,
"points_in_zone": 86,
"first_point": {
"ts": "2026-09-06T14:01:16+00:00",
"lat": 46.5520082999999971207216731272637844085693359375,
"lon": 142.8591016999999965264578349888324737548828125
},
"last_point": {
"ts": "2026-09-06T20:25:00+00:00",
"lat": 46.6197250000000025238477974198758602142333984375,
"lon": 142.899491699999998672865331172943115234375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 4h 50m
- Radius: 1,011 meters
- Data Points: 58 AIS positions
- Centroid: 46.5517, 142.8598
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1011.299999999999954525264911353588104248046875,
"duration_minutes": 290.6000000000000227373675443232059478759765625,
"points": 58,
"centroid": {
"lat": 46.5517489344827453123798477463424205780029296875,
"lon": 142.8597714379310446020099334418773651123046875
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"bbox": {
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"min_lon": 142.857118299999996224869391880929470062255859375,
"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 4h 50m
- Radius: 1,011 meters
- Data Points: 58 AIS positions
- Centroid: 46.5517, 142.8598
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1011.299999999999954525264911353588104248046875,
"duration_minutes": 290.6000000000000227373675443232059478759765625,
"points": 58,
"centroid": {
"lat": 46.5517489344827453123798477463424205780029296875,
"lon": 142.8597714379310446020099334418773651123046875
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"bbox": {
"min_lat": 46.5471016999999989138814271427690982818603515625,
"min_lon": 142.857118299999996224869391880929470062255859375,
"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 32m
- Data Points: 85 AIS positions
- Period: 2026-09-06T13:46:18+00:00 to 2026-09-06T20:18:30+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 392.19999999999998863131622783839702606201171875,
"points_in_zone": 85,
"first_point": {
"ts": "2026-09-06T13:46:18+00:00",
"lat": 46.55204169999999663787093595601618289947509765625,
"lon": 142.858640000000008285496733151376247406005859375
},
"last_point": {
"ts": "2026-09-06T20:18:30+00:00",
"lat": 46.61966670000000334539436153136193752288818359375,
"lon": 142.8994966999999860490788705646991729736328125
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 32m
- Data Points: 85 AIS positions
- Period: 2026-09-06T13:46:18+00:00 to 2026-09-06T20:18:30+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 392.19999999999998863131622783839702606201171875,
"points_in_zone": 85,
"first_point": {
"ts": "2026-09-06T13:46:18+00:00",
"lat": 46.55204169999999663787093595601618289947509765625,
"lon": 142.858640000000008285496733151376247406005859375
},
"last_point": {
"ts": "2026-09-06T20:18:30+00:00",
"lat": 46.61966670000000334539436153136193752288818359375,
"lon": 142.8994966999999860490788705646991729736328125
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 5h 50m
- Radius: 1,030 meters
- Data Points: 69 AIS positions
- Centroid: 46.5518, 142.8594
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1029.5,
"duration_minutes": 350.5,
"points": 69,
"centroid": {
"lat": 46.55175388695651150783305638469755649566650390625,
"lon": 142.8593824405796794962952844798564910888671875
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"min_lon": 142.85673669999999901847331784665584564208984375,
"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 5h 50m
- Radius: 1,030 meters
- Data Points: 69 AIS positions
- Centroid: 46.5518, 142.8594
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1029.5,
"duration_minutes": 350.5,
"points": 69,
"centroid": {
"lat": 46.55175388695651150783305638469755649566650390625,
"lon": 142.8593824405796794962952844798564910888671875
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"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 30m
- Data Points: 78 AIS positions
- Period: 2026-09-06T12:55:20+00:00 to 2026-09-06T19:25:30+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 390.19999999999998863131622783839702606201171875,
"points_in_zone": 78,
"first_point": {
"ts": "2026-09-06T12:55:20+00:00",
"lat": 46.5518416999999971039869706146419048309326171875,
"lon": 142.85701829999999290521373040974140167236328125
},
"last_point": {
"ts": "2026-09-06T19:25:30+00:00",
"lat": 46.6112049999999982219378580339252948760986328125,
"lon": 142.88673000000000001818989403545856475830078125
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 30m
- Data Points: 78 AIS positions
- Period: 2026-09-06T12:55:20+00:00 to 2026-09-06T19:25:30+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 390.19999999999998863131622783839702606201171875,
"points_in_zone": 78,
"first_point": {
"ts": "2026-09-06T12:55:20+00:00",
"lat": 46.5518416999999971039869706146419048309326171875,
"lon": 142.85701829999999290521373040974140167236328125
},
"last_point": {
"ts": "2026-09-06T19:25:30+00:00",
"lat": 46.6112049999999982219378580339252948760986328125,
"lon": 142.88673000000000001818989403545856475830078125
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 26m
- Radius: 1,031 meters
- Data Points: 71 AIS positions
- Centroid: 46.5518, 142.8593
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 1031,
"duration_minutes": 386.5,
"points": 71,
"centroid": {
"lat": 46.5517579098591482988922507502138614654541015625,
"lon": 142.85934605633798355484032072126865386962890625
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"max_lat": 46.55891669999999749052221886813640594482421875,
"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 26m
- Radius: 1,031 meters
- Data Points: 71 AIS positions
- Centroid: 46.5518, 142.8593
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 1031,
"duration_minutes": 386.5,
"points": 71,
"centroid": {
"lat": 46.5517579098591482988922507502138614654541015625,
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"max_lon": 142.8678932999999915409716777503490447998046875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 35m
- Data Points: 69 AIS positions
- Period: 2026-09-06T11:52:15+00:00 to 2026-09-06T18:28:10+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 395.8999999999999772626324556767940521240234375,
"points_in_zone": 69,
"first_point": {
"ts": "2026-09-06T11:52:15+00:00",
"lat": 46.55123499999999836518327356316149234771728515625,
"lon": 142.861034999999986894181347452104091644287109375
},
"last_point": {
"ts": "2026-09-06T18:28:10+00:00",
"lat": 46.55142000000000024328983272425830364227294921875,
"lon": 142.8588300000000117506715469062328338623046875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 35m
- Data Points: 69 AIS positions
- Period: 2026-09-06T11:52:15+00:00 to 2026-09-06T18:28:10+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 395.8999999999999772626324556767940521240234375,
"points_in_zone": 69,
"first_point": {
"ts": "2026-09-06T11:52:15+00:00",
"lat": 46.55123499999999836518327356316149234771728515625,
"lon": 142.861034999999986894181347452104091644287109375
},
"last_point": {
"ts": "2026-09-06T18:28:10+00:00",
"lat": 46.55142000000000024328983272425830364227294921875,
"lon": 142.8588300000000117506715469062328338623046875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 35m
- Radius: 181 meters
- Data Points: 69 AIS positions
- Centroid: 46.5518, 142.8591
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 181.400000000000005684341886080801486968994140625,
"duration_minutes": 395.8999999999999772626324556767940521240234375,
"points": 69,
"centroid": {
"lat": 46.55176540869565116054218378849327564239501953125,
"lon": 142.859089734782600089602055959403514862060546875
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"bbox": {
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"max_lon": 142.861034999999986894181347452104091644287109375
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 35m
- Radius: 181 meters
- Data Points: 69 AIS positions
- Centroid: 46.5518, 142.8591
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 181.400000000000005684341886080801486968994140625,
"duration_minutes": 395.8999999999999772626324556767940521240234375,
"points": 69,
"centroid": {
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"lon": 142.859089734782600089602055959403514862060546875
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"bbox": {
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"max_lon": 142.861034999999986894181347452104091644287109375
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 33m
- Data Points: 67 AIS positions
- Period: 2026-09-06T10:55:14+00:00 to 2026-09-06T17:28:21+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 67,
"first_point": {
"ts": "2026-09-06T10:55:14+00:00",
"lat": 46.55125670000000326353983837179839611053466796875,
"lon": 142.86097000000000889485818333923816680908203125
},
"last_point": {
"ts": "2026-09-06T17:28:21+00:00",
"lat": 46.5519350000000002864908310584723949432373046875,
"lon": 142.85912669999999025094439275562763214111328125
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Data Points: 67 AIS positions
- Period: 2026-09-06T10:55:14+00:00 to 2026-09-06T17:28:21+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 67,
"first_point": {
"ts": "2026-09-06T10:55:14+00:00",
"lat": 46.55125670000000326353983837179839611053466796875,
"lon": 142.86097000000000889485818333923816680908203125
},
"last_point": {
"ts": "2026-09-06T17:28:21+00:00",
"lat": 46.5519350000000002864908310584723949432373046875,
"lon": 142.85912669999999025094439275562763214111328125
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Radius: 213 meters
- Data Points: 67 AIS positions
- Centroid: 46.5517, 142.8595
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 212.599999999999994315658113919198513031005859375,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 67,
"centroid": {
"lat": 46.5516649477611963447998277842998504638671875,
"lon": 142.859506989552215827643522061407566070556640625
},
"bbox": {
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"min_lon": 142.85673669999999901847331784665584564208984375,
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"max_lon": 142.861070000000012214513844810426235198974609375
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 33m
- Radius: 213 meters
- Data Points: 67 AIS positions
- Centroid: 46.5517, 142.8595
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 212.599999999999994315658113919198513031005859375,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 67,
"centroid": {
"lat": 46.5516649477611963447998277842998504638671875,
"lon": 142.859506989552215827643522061407566070556640625
},
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"min_lon": 142.85673669999999901847331784665584564208984375,
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"max_lon": 142.861070000000012214513844810426235198974609375
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 27m
- Data Points: 67 AIS positions
- Period: 2026-09-06T09:55:15+00:00 to 2026-09-06T16:22:22+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 387.1000000000000227373675443232059478759765625,
"points_in_zone": 67,
"first_point": {
"ts": "2026-09-06T09:55:15+00:00",
"lat": 46.5513949999999994133759173564612865447998046875,
"lon": 142.86101500000000896761775948107242584228515625
},
"last_point": {
"ts": "2026-09-06T16:22:22+00:00",
"lat": 46.55192670000000276786522590555250644683837890625,
"lon": 142.85993170000000418440322391688823699951171875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 27m
- Data Points: 67 AIS positions
- Period: 2026-09-06T09:55:15+00:00 to 2026-09-06T16:22:22+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 387.1000000000000227373675443232059478759765625,
"points_in_zone": 67,
"first_point": {
"ts": "2026-09-06T09:55:15+00:00",
"lat": 46.5513949999999994133759173564612865447998046875,
"lon": 142.86101500000000896761775948107242584228515625
},
"last_point": {
"ts": "2026-09-06T16:22:22+00:00",
"lat": 46.55192670000000276786522590555250644683837890625,
"lon": 142.85993170000000418440322391688823699951171875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 27m
- Radius: 226 meters
- Data Points: 67 AIS positions
- Centroid: 46.5516, 142.8597
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 225.5,
"duration_minutes": 387.1000000000000227373675443232059478759765625,
"points": 67,
"centroid": {
"lat": 46.551597040298503316080314107239246368408203125,
"lon": 142.859674477612003329340950585901737213134765625
},
"bbox": {
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"min_lon": 142.85673669999999901847331784665584564208984375,
"max_lat": 46.55208999999999974761522025801241397857666015625,
"max_lon": 142.8610883000000058018486015498638153076171875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 27m
- Radius: 226 meters
- Data Points: 67 AIS positions
- Centroid: 46.5516, 142.8597
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 225.5,
"duration_minutes": 387.1000000000000227373675443232059478759765625,
"points": 67,
"centroid": {
"lat": 46.551597040298503316080314107239246368408203125,
"lon": 142.859674477612003329340950585901737213134765625
},
"bbox": {
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"min_lon": 142.85673669999999901847331784665584564208984375,
"max_lat": 46.55208999999999974761522025801241397857666015625,
"max_lon": 142.8610883000000058018486015498638153076171875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 30m
- Data Points: 65 AIS positions
- Period: 2026-09-06T08:58:13+00:00 to 2026-09-06T15:28:16+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 390.1000000000000227373675443232059478759765625,
"points_in_zone": 65,
"first_point": {
"ts": "2026-09-06T08:58:13+00:00",
"lat": 46.55142500000000183035808731801807880401611328125,
"lon": 142.860919999999993024175637401640415191650390625
},
"last_point": {
"ts": "2026-09-06T15:28:16+00:00",
"lat": 46.5517032999999997855411493219435214996337890625,
"lon": 142.860006700000013779572327621281147003173828125
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 30m
- Data Points: 65 AIS positions
- Period: 2026-09-06T08:58:13+00:00 to 2026-09-06T15:28:16+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 390.1000000000000227373675443232059478759765625,
"points_in_zone": 65,
"first_point": {
"ts": "2026-09-06T08:58:13+00:00",
"lat": 46.55142500000000183035808731801807880401611328125,
"lon": 142.860919999999993024175637401640415191650390625
},
"last_point": {
"ts": "2026-09-06T15:28:16+00:00",
"lat": 46.5517032999999997855411493219435214996337890625,
"lon": 142.860006700000013779572327621281147003173828125
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 30m
- Radius: 233 meters
- Data Points: 65 AIS positions
- Centroid: 46.5515, 142.8598
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 233.400000000000005684341886080801486968994140625,
"duration_minutes": 390.1000000000000227373675443232059478759765625,
"points": 65,
"centroid": {
"lat": 46.551546999999999343344825319945812225341796875,
"lon": 142.8597724830768811443704180419445037841796875
},
"bbox": {
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"min_lon": 142.85673669999999901847331784665584564208984375,
"max_lat": 46.55208999999999974761522025801241397857666015625,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 30m
- Radius: 233 meters
- Data Points: 65 AIS positions
- Centroid: 46.5515, 142.8598
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 233.400000000000005684341886080801486968994140625,
"duration_minutes": 390.1000000000000227373675443232059478759765625,
"points": 65,
"centroid": {
"lat": 46.551546999999999343344825319945812225341796875,
"lon": 142.8597724830768811443704180419445037841796875
},
"bbox": {
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"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 33m
- Data Points: 59 AIS positions
- Period: 2026-09-06T07:55:15+00:00 to 2026-09-06T14:28:18+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 59,
"first_point": {
"ts": "2026-09-06T07:55:15+00:00",
"lat": 46.5513150000000024419932742603123188018798828125,
"lon": 142.86061169999999265201040543615818023681640625
},
"last_point": {
"ts": "2026-09-06T14:28:18+00:00",
"lat": 46.55208999999999974761522025801241397857666015625,
"lon": 142.858963299999999208012013696134090423583984375
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Data Points: 59 AIS positions
- Period: 2026-09-06T07:55:15+00:00 to 2026-09-06T14:28:18+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 59,
"first_point": {
"ts": "2026-09-06T07:55:15+00:00",
"lat": 46.5513150000000024419932742603123188018798828125,
"lon": 142.86061169999999265201040543615818023681640625
},
"last_point": {
"ts": "2026-09-06T14:28:18+00:00",
"lat": 46.55208999999999974761522025801241397857666015625,
"lon": 142.858963299999999208012013696134090423583984375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Radius: 246 meters
- Data Points: 59 AIS positions
- Centroid: 46.5515, 142.8599
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 245.5,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 59,
"centroid": {
"lat": 46.55148042711864064813198638148605823516845703125,
"lon": 142.859922311864380617407732643187046051025390625
},
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"max_lat": 46.55208999999999974761522025801241397857666015625,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 33m
- Radius: 246 meters
- Data Points: 59 AIS positions
- Centroid: 46.5515, 142.8599
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 245.5,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 59,
"centroid": {
"lat": 46.55148042711864064813198638148605823516845703125,
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"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Data Points: 56 AIS positions
- Period: 2026-09-06T06:55:12+00:00 to 2026-09-06T13:28:19+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 56,
"first_point": {
"ts": "2026-09-06T06:55:12+00:00",
"lat": 46.5516616999999968129486660473048686981201171875,
"lon": 142.85728000000000292857293970882892608642578125
},
"last_point": {
"ts": "2026-09-06T13:28:19+00:00",
"lat": 46.55186669999999793390088598243892192840576171875,
"lon": 142.85732999999999037754605524241924285888671875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 33m
- Data Points: 56 AIS positions
- Period: 2026-09-06T06:55:12+00:00 to 2026-09-06T13:28:19+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 56,
"first_point": {
"ts": "2026-09-06T06:55:12+00:00",
"lat": 46.5516616999999968129486660473048686981201171875,
"lon": 142.85728000000000292857293970882892608642578125
},
"last_point": {
"ts": "2026-09-06T13:28:19+00:00",
"lat": 46.55186669999999793390088598243892192840576171875,
"lon": 142.85732999999999037754605524241924285888671875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Radius: 250 meters
- Data Points: 56 AIS positions
- Centroid: 46.5514, 142.8600
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 249.900000000000005684341886080801486968994140625,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 56,
"centroid": {
"lat": 46.55141402142856321688668685965240001678466796875,
"lon": 142.8599687160714211131562478840351104736328125
},
"bbox": {
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"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 33m
- Radius: 250 meters
- Data Points: 56 AIS positions
- Centroid: 46.5514, 142.8600
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 249.900000000000005684341886080801486968994140625,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 56,
"centroid": {
"lat": 46.55141402142856321688668685965240001678466796875,
"lon": 142.8599687160714211131562478840351104736328125
},
"bbox": {
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"min_lon": 142.85673669999999901847331784665584564208984375,
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"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Data Points: 59 AIS positions
- Period: 2026-09-06T05:52:16+00:00 to 2026-09-06T12:25:19+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 59,
"first_point": {
"ts": "2026-09-06T05:52:16+00:00",
"lat": 46.5513667000000026519046514295041561126708984375,
"lon": 142.856071700000001101216184906661510467529296875
},
"last_point": {
"ts": "2026-09-06T12:25:19+00:00",
"lat": 46.55195169999999649235178367234766483306884765625,
"lon": 142.859163300000005847323336638510227203369140625
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 33m
- Data Points: 59 AIS positions
- Period: 2026-09-06T05:52:16+00:00 to 2026-09-06T12:25:19+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 59,
"first_point": {
"ts": "2026-09-06T05:52:16+00:00",
"lat": 46.5513667000000026519046514295041561126708984375,
"lon": 142.856071700000001101216184906661510467529296875
},
"last_point": {
"ts": "2026-09-06T12:25:19+00:00",
"lat": 46.55195169999999649235178367234766483306884765625,
"lon": 142.859163300000005847323336638510227203369140625
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Radius: 293 meters
- Data Points: 59 AIS positions
- Centroid: 46.5514, 142.8597
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 292.69999999999998863131622783839702606201171875,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 59,
"centroid": {
"lat": 46.55137350847456900737597607076168060302734375,
"lon": 142.85971443389831847525783814489841461181640625
},
"bbox": {
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"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 33m
- Radius: 293 meters
- Data Points: 59 AIS positions
- Centroid: 46.5514, 142.8597
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 292.69999999999998863131622783839702606201171875,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 59,
"centroid": {
"lat": 46.55137350847456900737597607076168060302734375,
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},
"bbox": {
"min_lat": 46.55117169999999759966158308088779449462890625,
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"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 36m
- Data Points: 63 AIS positions
- Period: 2026-09-06T04:52:12+00:00 to 2026-09-06T11:28:12+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 396,
"points_in_zone": 63,
"first_point": {
"ts": "2026-09-06T04:52:12+00:00",
"lat": 46.551029999999997244231053628027439117431640625,
"lon": 142.85566499999998768544173799455165863037109375
},
"last_point": {
"ts": "2026-09-06T11:28:12+00:00",
"lat": 46.5513949999999994133759173564612865447998046875,
"lon": 142.8608150000000023283064365386962890625
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 36m
- Data Points: 63 AIS positions
- Period: 2026-09-06T04:52:12+00:00 to 2026-09-06T11:28:12+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 396,
"points_in_zone": 63,
"first_point": {
"ts": "2026-09-06T04:52:12+00:00",
"lat": 46.551029999999997244231053628027439117431640625,
"lon": 142.85566499999998768544173799455165863037109375
},
"last_point": {
"ts": "2026-09-06T11:28:12+00:00",
"lat": 46.5513949999999994133759173564612865447998046875,
"lon": 142.8608150000000023283064365386962890625
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 36m
- Radius: 239 meters
- Data Points: 63 AIS positions
- Centroid: 46.5513, 142.8586
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 238.80000000000001136868377216160297393798828125,
"duration_minutes": 396,
"points": 63,
"centroid": {
"lat": 46.55134307619047007165136164985597133636474609375,
"lon": 142.85856177460317439908976666629314422607421875
},
"bbox": {
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"min_lon": 142.85548829999999043138814158737659454345703125,
"max_lat": 46.5517032999999997855411493219435214996337890625,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 36m
- Radius: 239 meters
- Data Points: 63 AIS positions
- Centroid: 46.5513, 142.8586
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 238.80000000000001136868377216160297393798828125,
"duration_minutes": 396,
"points": 63,
"centroid": {
"lat": 46.55134307619047007165136164985597133636474609375,
"lon": 142.85856177460317439908976666629314422607421875
},
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"max_lat": 46.5517032999999997855411493219435214996337890625,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 36m
- Data Points: 63 AIS positions
- Period: 2026-09-06T03:40:13+00:00 to 2026-09-06T10:16:17+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 396.1000000000000227373675443232059478759765625,
"points_in_zone": 63,
"first_point": {
"ts": "2026-09-06T03:40:13+00:00",
"lat": 46.5512767000000025063854991458356380462646484375,
"lon": 142.855866700000007085691322572529315948486328125
},
"last_point": {
"ts": "2026-09-06T10:16:17+00:00",
"lat": 46.55122999999999677811501896940171718597412109375,
"lon": 142.8610883000000058018486015498638153076171875
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 36m
- Data Points: 63 AIS positions
- Period: 2026-09-06T03:40:13+00:00 to 2026-09-06T10:16:17+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 396.1000000000000227373675443232059478759765625,
"points_in_zone": 63,
"first_point": {
"ts": "2026-09-06T03:40:13+00:00",
"lat": 46.5512767000000025063854991458356380462646484375,
"lon": 142.855866700000007085691322572529315948486328125
},
"last_point": {
"ts": "2026-09-06T10:16:17+00:00",
"lat": 46.55122999999999677811501896940171718597412109375,
"lon": 142.8610883000000058018486015498638153076171875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 36m
- Radius: 289 meters
- Data Points: 63 AIS positions
- Centroid: 46.5512, 142.8574
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 289,
"duration_minutes": 396.1000000000000227373675443232059478759765625,
"points": 63,
"centroid": {
"lat": 46.55124699047619429848055006004869937896728515625,
"lon": 142.857435212698447912771371193230152130126953125
},
"bbox": {
"min_lat": 46.55069830000000052905306802131235599517822265625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5517032999999997855411493219435214996337890625,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 36m
- Radius: 289 meters
- Data Points: 63 AIS positions
- Centroid: 46.5512, 142.8574
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 289,
"duration_minutes": 396.1000000000000227373675443232059478759765625,
"points": 63,
"centroid": {
"lat": 46.55124699047619429848055006004869937896728515625,
"lon": 142.857435212698447912771371193230152130126953125
},
"bbox": {
"min_lat": 46.55069830000000052905306802131235599517822265625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5517032999999997855411493219435214996337890625,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 36m
- Data Points: 69 AIS positions
- Period: 2026-09-06T02:52:13+00:00 to 2026-09-06T09:28:11+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 396,
"points_in_zone": 69,
"first_point": {
"ts": "2026-09-06T02:52:13+00:00",
"lat": 46.5518100000000032423486118204891681671142578125,
"lon": 142.856843300000008412098395638167858123779296875
},
"last_point": {
"ts": "2026-09-06T09:28:11+00:00",
"lat": 46.5512250000000022964741219766438007354736328125,
"lon": 142.86120329999999967185431160032749176025390625
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 36m
- Data Points: 69 AIS positions
- Period: 2026-09-06T02:52:13+00:00 to 2026-09-06T09:28:11+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 396,
"points_in_zone": 69,
"first_point": {
"ts": "2026-09-06T02:52:13+00:00",
"lat": 46.5518100000000032423486118204891681671142578125,
"lon": 142.856843300000008412098395638167858123779296875
},
"last_point": {
"ts": "2026-09-06T09:28:11+00:00",
"lat": 46.5512250000000022964741219766438007354736328125,
"lon": 142.86120329999999967185431160032749176025390625
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 36m
- Radius: 327 meters
- Data Points: 69 AIS positions
- Centroid: 46.5513, 142.8569
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 327.3999999999999772626324556767940521240234375,
"duration_minutes": 396,
"points": 69,
"centroid": {
"lat": 46.55131770869567020554313785396516323089599609375,
"lon": 142.85693683478262983044260181486606597900390625
},
"bbox": {
"min_lat": 46.55069830000000052905306802131235599517822265625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5518100000000032423486118204891681671142578125,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 36m
- Radius: 327 meters
- Data Points: 69 AIS positions
- Centroid: 46.5513, 142.8569
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 327.3999999999999772626324556767940521240234375,
"duration_minutes": 396,
"points": 69,
"centroid": {
"lat": 46.55131770869567020554313785396516323089599609375,
"lon": 142.85693683478262983044260181486606597900390625
},
"bbox": {
"min_lat": 46.55069830000000052905306802131235599517822265625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5518100000000032423486118204891681671142578125,
"max_lon": 142.86120329999999967185431160032749176025390625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Data Points: 80 AIS positions
- Period: 2026-09-06T01:52:13+00:00 to 2026-09-06T08:25:20+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 80,
"first_point": {
"ts": "2026-09-06T01:52:13+00:00",
"lat": 46.5510900000000020781953935511410236358642578125,
"lon": 142.856223300000010567600838840007781982421875
},
"last_point": {
"ts": "2026-09-06T08:25:20+00:00",
"lat": 46.55143170000000196750988834537565708160400390625,
"lon": 142.860538300000001754597178660333156585693359375
}
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 33m
- Data Points: 80 AIS positions
- Period: 2026-09-06T01:52:13+00:00 to 2026-09-06T08:25:20+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 393.1000000000000227373675443232059478759765625,
"points_in_zone": 80,
"first_point": {
"ts": "2026-09-06T01:52:13+00:00",
"lat": 46.5510900000000020781953935511410236358642578125,
"lon": 142.856223300000010567600838840007781982421875
},
"last_point": {
"ts": "2026-09-06T08:25:20+00:00",
"lat": 46.55143170000000196750988834537565708160400390625,
"lon": 142.860538300000001754597178660333156585693359375
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 33m
- Radius: 312 meters
- Data Points: 80 AIS positions
- Centroid: 46.5513, 142.8566
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 311.6000000000000227373675443232059478759765625,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 80,
"centroid": {
"lat": 46.55131450249999858215232961811125278472900390625,
"lon": 142.856588063750024275577743537724018096923828125
},
"bbox": {
"min_lat": 46.55069830000000052905306802131235599517822265625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5518100000000032423486118204891681671142578125,
"max_lon": 142.860648300000008248389349319040775299072265625
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 33m
- Radius: 312 meters
- Data Points: 80 AIS positions
- Centroid: 46.5513, 142.8566
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 311.6000000000000227373675443232059478759765625,
"duration_minutes": 393.1000000000000227373675443232059478759765625,
"points": 80,
"centroid": {
"lat": 46.55131450249999858215232961811125278472900390625,
"lon": 142.856588063750024275577743537724018096923828125
},
"bbox": {
"min_lat": 46.55069830000000052905306802131235599517822265625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5518100000000032423486118204891681671142578125,
"max_lon": 142.860648300000008248389349319040775299072265625
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 29m
- Data Points: 83 AIS positions
- Period: 2026-09-06T00:31:15+00:00 to 2026-09-06T07:01:12+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 389.8999999999999772626324556767940521240234375,
"points_in_zone": 83,
"first_point": {
"ts": "2026-09-06T00:31:15+00:00",
"lat": 46.5481316999999990002834238111972808837890625,
"lon": 142.856864999999999099600245244801044464111328125
},
"last_point": {
"ts": "2026-09-06T07:01:12+00:00",
"lat": 46.5516716999999999870851752348244190216064453125,
"lon": 142.857474999999993769961292855441570281982421875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 29m
- Data Points: 83 AIS positions
- Period: 2026-09-06T00:31:15+00:00 to 2026-09-06T07:01:12+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 389.8999999999999772626324556767940521240234375,
"points_in_zone": 83,
"first_point": {
"ts": "2026-09-06T00:31:15+00:00",
"lat": 46.5481316999999990002834238111972808837890625,
"lon": 142.856864999999999099600245244801044464111328125
},
"last_point": {
"ts": "2026-09-06T07:01:12+00:00",
"lat": 46.5516716999999999870851752348244190216064453125,
"lon": 142.857474999999993769961292855441570281982421875
}
}
Methodology: 2026.01.18
Loiter
Prigorodnoye/Sakhalin LNG
- Duration: 6h 29m
- Radius: 336 meters
- Data Points: 83 AIS positions
- Centroid: 46.5511, 142.8562
- Zone: Prigorodnoye/Sakhalin LNG
Show Raw Evidence JSON
{
"radius_m": 335.6000000000000227373675443232059478759765625,
"duration_minutes": 389.8999999999999772626324556767940521240234375,
"points": 83,
"centroid": {
"lat": 46.55111787469878237288867239840328693389892578125,
"lon": 142.856217792771047925270977430045604705810546875
},
"bbox": {
"min_lat": 46.5481316999999990002834238111972808837890625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5518100000000032423486118204891681671142578125,
"max_lon": 142.857474999999993769961292855441570281982421875
},
"zone_id": "russia_prigorodnoye"
}
Methodology: 2026.01.18
Loiter
Sakhalin South Approach
- Duration: 6h 29m
- Radius: 336 meters
- Data Points: 83 AIS positions
- Centroid: 46.5511, 142.8562
- Zone: Sakhalin South Approach
Show Raw Evidence JSON
{
"radius_m": 335.6000000000000227373675443232059478759765625,
"duration_minutes": 389.8999999999999772626324556767940521240234375,
"points": 83,
"centroid": {
"lat": 46.55111787469878237288867239840328693389892578125,
"lon": 142.856217792771047925270977430045604705810546875
},
"bbox": {
"min_lat": 46.5481316999999990002834238111972808837890625,
"min_lon": 142.85520669999999654464772902429103851318359375,
"max_lat": 46.5518100000000032423486118204891681671142578125,
"max_lon": 142.857474999999993769961292855441570281982421875
},
"zone_id": "russia_sakhalin_south"
}
Methodology: 2026.01.18
Zone Dwell
Sakhalin South Approach
- Zone: Sakhalin South Approach
- Duration: 6h 30m
- Data Points: 84 AIS positions
- Period: 2026-09-05T23:52:13+00:00 to 2026-09-06T06:22:19+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_sakhalin_south",
"zone_name": "Sakhalin South Approach",
"dwell_minutes": 390.1000000000000227373675443232059478759765625,
"points_in_zone": 84,
"first_point": {
"ts": "2026-09-05T23:52:13+00:00",
"lat": 46.5477666999999968311385600827634334564208984375,
"lon": 142.857441700000009632276487536728382110595703125
},
"last_point": {
"ts": "2026-09-06T06:22:19+00:00",
"lat": 46.5513600000000025147528504021465778350830078125,
"lon": 142.856476700000001756052370183169841766357421875
}
}
Methodology: 2026.01.18
Zone Dwell
Prigorodnoye/Sakhalin LNG
- Zone: Prigorodnoye/Sakhalin LNG
- Duration: 6h 30m
- Data Points: 84 AIS positions
- Period: 2026-09-05T23:52:13+00:00 to 2026-09-06T06:22:19+00:00
Show Raw Evidence JSON
{
"zone_id": "russia_prigorodnoye",
"zone_name": "Prigorodnoye\/Sakhalin LNG",
"dwell_minutes": 390.1000000000000227373675443232059478759765625,
"points_in_zone": 84,
"first_point": {
"ts": "2026-09-05T23:52:13+00:00",
"lat": 46.5477666999999968311385600827634334564208984375,
"lon": 142.857441700000009632276487536728382110595703125
},
"last_point": {
"ts": "2026-09-06T06:22:19+00:00",
"lat": 46.5513600000000025147528504021465778350830078125,
"lon": 142.856476700000001756052370183169841766357421875
}
}
Methodology: 2026.01.18
Recent Position Data
| Time (UTC) | Lat | Lon | Speed | Course | Zone |
|---|---|---|---|---|---|
| Sep 8 08:50 | 45.8287 | 141.5761 | 10.1 kn | 272.9° | Northwest African Maritime Corridor |
| Sep 8 08:14 | 45.8223 | 141.7191 | 9.5 kn | 273.5° | Northwest African Maritime Corridor |
| Sep 8 03:41 | 46.0325 | 142.5778 | 10.4 kn | 207.2° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:39 | 46.0377 | 142.5816 | 10.4 kn | 207.1° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:38 | 46.0403 | 142.5835 | 10.4 kn | 206.8° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:35 | 46.0480 | 142.5891 | 10.4 kn | 206.1° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:34 | 46.0507 | 142.5910 | 10.4 kn | 206.3° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:32 | 46.0572 | 142.5956 | 10.3 kn | 206.2° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:31 | 46.0598 | 142.5975 | 10.3 kn | 206.6° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:30 | 46.0624 | 142.5994 | 10.3 kn | 207.3° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:29 | 46.0650 | 142.6013 | 10.3 kn | 207.2° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:28 | 46.0675 | 142.6032 | 10.3 kn | 207.4° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:27 | 46.0701 | 142.6051 | 10.4 kn | 207.3° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:25 | 46.0756 | 142.6092 | 10.4 kn | 207.7° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:23 | 46.0791 | 142.6118 | 10.4 kn | 207.5° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:22 | 46.0817 | 142.6137 | 10.5 kn | 207.6° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:21 | 46.0843 | 142.6157 | 10.5 kn | 207.5° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:18 | 46.0939 | 142.6228 | 10.6 kn | 207.5° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:16 | 46.0982 | 142.6260 | 10.6 kn | 207.3° | Prigorodnoye/Sakhalin LNG |
| Sep 8 03:14 | 46.1044 | 142.6307 | 10.6 kn | 208.1° | Prigorodnoye/Sakhalin LNG |
Showing 20 of 100 recent positions.
Data Source
Vessel observed through FleetLeaks' AIS monitoring system in zones of interest. Identity and position data derived from AIS broadcasts and public maritime databases.
Disclaimer: AIS data can be spoofed or falsified. Vessel identities should be independently verified before making compliance decisions.