DELTA SUPREME

IMO 9585895

Vessel information

Vessel Name DELTA SUPREME
IMO Number 9585895
MMSI 636021882
Vessel Type Tanker
Flag 🇱🇷 Liberia
Call Sign 5LGD7
Length 274 m
Beam 48 m

Detected Events (100)

Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 16:07 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 1h 40m
  • Data Points: 20 AIS positions
  • Period: 2026-09-09T16:07:32+00:00 to 2026-09-09T17:47:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 100.2000000000000028421709430404007434844970703125,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-09-09T16:07:32+00:00",
        "lat": 50.57928170000000278605511994101107120513916015625,
        "lon": -1.05309499999999989228172125876881182193756103515625
    },
    "last_point": {
        "ts": "2026-09-09T17:47:47+00:00",
        "lat": 50.60493000000000307636582874692976474761962890625,
        "lon": -0.97828499999999996017407966064638458192348480224609375
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 15:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 2h 46m
  • Data Points: 28 AIS positions
  • Period: 2026-09-09T15:01:30+00:00 to 2026-09-09T17:47:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 166.30000000000001136868377216160297393798828125,
    "points_in_zone": 28,
    "first_point": {
        "ts": "2026-09-09T15:01:30+00:00",
        "lat": 50.5771917000000001962689566425979137420654296875,
        "lon": -1.0613749999999999573674358543939888477325439453125
    },
    "last_point": {
        "ts": "2026-09-09T17:47:47+00:00",
        "lat": 50.60493000000000307636582874692976474761962890625,
        "lon": -0.97828499999999996017407966064638458192348480224609375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 15:01 UTC 75.0%
  • Duration: 2h 14m
  • Radius: 913 meters
  • Data Points: 18 AIS positions
  • Centroid: 50.5787, -1.0551
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 913.1000000000000227373675443232059478759765625,
    "duration_minutes": 134.099999999999994315658113919198513031005859375,
    "points": 18,
    "centroid": {
        "lat": 50.57870028888888924711864092387259006500244140625,
        "lon": -1.055103327777777710849704817519523203372955322265625
    },
    "bbox": {
        "min_lat": 50.57459000000000060026650317013263702392578125,
        "min_lon": -1.0613749999999999573674358543939888477325439453125,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.04394499999999990080823408789001405239105224609375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 14:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 3h 46m
  • Data Points: 37 AIS positions
  • Period: 2026-09-09T14:01:30+00:00 to 2026-09-09T17:47:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 226.30000000000001136868377216160297393798828125,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-09-09T14:01:30+00:00",
        "lat": 50.57657830000000132031345856375992298126220703125,
        "lon": -1.061995000000000022311041902867145836353302001953125
    },
    "last_point": {
        "ts": "2026-09-09T17:47:47+00:00",
        "lat": 50.60493000000000307636582874692976474761962890625,
        "lon": -0.97828499999999996017407966064638458192348480224609375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 14:01 UTC 75.0%
  • Duration: 3h 14m
  • Radius: 1,026 meters
  • Data Points: 27 AIS positions
  • Centroid: 50.5781, -1.0574
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1025.5,
    "duration_minutes": 194.099999999999994315658113919198513031005859375,
    "points": 27,
    "centroid": {
        "lat": 50.578069818518514466632041148841381072998046875,
        "lon": -1.0573506111111112826250746365985833108425140380859375
    },
    "bbox": {
        "min_lat": 50.57459000000000060026650317013263702392578125,
        "min_lon": -1.062275000000000080291329140891321003437042236328125,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.04394499999999990080823408789001405239105224609375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 13:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 4h 46m
  • Data Points: 46 AIS positions
  • Period: 2026-09-09T13:01:30+00:00 to 2026-09-09T17:47:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 286.30000000000001136868377216160297393798828125,
    "points_in_zone": 46,
    "first_point": {
        "ts": "2026-09-09T13:01:30+00:00",
        "lat": 50.57670829999999995152393239550292491912841796875,
        "lon": -1.0623082999999999831430841368273831903934478759765625
    },
    "last_point": {
        "ts": "2026-09-09T17:47:47+00:00",
        "lat": 50.60493000000000307636582874692976474761962890625,
        "lon": -0.97828499999999996017407966064638458192348480224609375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 13:01 UTC 75.0%
  • Duration: 4h 14m
  • Radius: 1,094 meters
  • Data Points: 36 AIS positions
  • Centroid: 50.5777, -1.0586
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1094.40000000000009094947017729282379150390625,
    "duration_minutes": 254.099999999999994315658113919198513031005859375,
    "points": 36,
    "centroid": {
        "lat": 50.57774194444442628082470037043094635009765625,
        "lon": -1.05858008611111120700343235512264072895050048828125
    },
    "bbox": {
        "min_lat": 50.57459000000000060026650317013263702392578125,
        "min_lon": -1.062313300000000015899104255368001759052276611328125,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.04394499999999990080823408789001405239105224609375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 12:07 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 5h 40m
  • Data Points: 52 AIS positions
  • Period: 2026-09-09T12:07:32+00:00 to 2026-09-09T17:47:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 340.19999999999998863131622783839702606201171875,
    "points_in_zone": 52,
    "first_point": {
        "ts": "2026-09-09T12:07:32+00:00",
        "lat": 50.5769633000000027323039830662310123443603515625,
        "lon": -1.0624667000000000971482450040639378130435943603515625
    },
    "last_point": {
        "ts": "2026-09-09T17:47:47+00:00",
        "lat": 50.60493000000000307636582874692976474761962890625,
        "lon": -0.97828499999999996017407966064638458192348480224609375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 12:07 UTC 75.0%
  • Duration: 5h 8m
  • Radius: 1,126 meters
  • Data Points: 42 AIS positions
  • Centroid: 50.5776, -1.0591
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1126.299999999999954525264911353588104248046875,
    "duration_minutes": 308.1000000000000227373675443232059478759765625,
    "points": 42,
    "centroid": {
        "lat": 50.577613809523796817302354611456394195556640625,
        "lon": -1.0591197166666663775913548306562006473541259765625
    },
    "bbox": {
        "min_lat": 50.57459000000000060026650317013263702392578125,
        "min_lon": -1.0624667000000000971482450040639378130435943603515625,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.04394499999999990080823408789001405239105224609375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 11:16 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 31m
  • Data Points: 56 AIS positions
  • Period: 2026-09-09T11:16:26+00:00 to 2026-09-09T17:47:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 391.3999999999999772626324556767940521240234375,
    "points_in_zone": 56,
    "first_point": {
        "ts": "2026-09-09T11:16:26+00:00",
        "lat": 50.577038299999998116618371568620204925537109375,
        "lon": -1.0624933000000000848928038976737298071384429931640625
    },
    "last_point": {
        "ts": "2026-09-09T17:47:47+00:00",
        "lat": 50.60493000000000307636582874692976474761962890625,
        "lon": -0.97828499999999996017407966064638458192348480224609375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 11:16 UTC 75.0%
  • Duration: 5h 59m
  • Radius: 1,144 meters
  • Data Points: 46 AIS positions
  • Centroid: 50.5776, -1.0594
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1144.40000000000009094947017729282379150390625,
    "duration_minutes": 359.19999999999998863131622783839702606201171875,
    "points": 46,
    "centroid": {
        "lat": 50.57756188260868412953641382046043872833251953125,
        "lon": -1.0594118434782606730237830561236478388309478759765625
    },
    "bbox": {
        "min_lat": 50.57459000000000060026650317013263702392578125,
        "min_lon": -1.0625116999999999478632162208668887615203857421875,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.04394499999999990080823408789001405239105224609375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 10:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 51 AIS positions
  • Period: 2026-09-09T10:52:28+00:00 to 2026-09-09T17:27:58+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 51,
    "first_point": {
        "ts": "2026-09-09T10:52:28+00:00",
        "lat": 50.5770083000000028050635592080652713775634765625,
        "lon": -1.062371699999999918873072601854801177978515625
    },
    "last_point": {
        "ts": "2026-09-09T17:27:58+00:00",
        "lat": 50.57672500000000326281224261038005352020263671875,
        "lon": -1.017806699999999953121232465491630136966705322265625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 10:01 UTC 75.0%
  • Duration: 6h 35m
  • Radius: 1,163 meters
  • Data Points: 51 AIS positions
  • Centroid: 50.5775, -1.0597
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1163.299999999999954525264911353588104248046875,
    "duration_minutes": 395.1000000000000227373675443232059478759765625,
    "points": 51,
    "centroid": {
        "lat": 50.5775179705882322878096601925790309906005859375,
        "lon": -1.0597109784313725189264232540153898298740386962890625
    },
    "bbox": {
        "min_lat": 50.57459000000000060026650317013263702392578125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.04394499999999990080823408789001405239105224609375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 09:13 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 53 AIS positions
  • Period: 2026-09-09T09:52:30+00:00 to 2026-09-09T16:25:34+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-09-09T09:52:30+00:00",
        "lat": 50.57908330000000063364495872519910335540771484375,
        "lon": -1.05441669999999998452722138608805835247039794921875
    },
    "last_point": {
        "ts": "2026-09-09T16:25:34+00:00",
        "lat": 50.57946170000000307709342450834810733795166015625,
        "lon": -1.0531699999999999395328131868154741823673248291015625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 09:13 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 543 meters
  • Data Points: 53 AIS positions
  • Centroid: 50.5775, -1.0602
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 543.1000000000000227373675443232059478759765625,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 53,
    "centroid": {
        "lat": 50.57747134905660146841910318471491336822509765625,
        "lon": -1.06017160188679238075337707414291799068450927734375
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.580201700000003484092303551733493804931640625,
        "max_lon": -1.05309499999999989228172125876881182193756103515625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 08:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 32m
  • Data Points: 53 AIS positions
  • Period: 2026-09-09T08:40:30+00:00 to 2026-09-09T15:13:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 392.8999999999999772626324556767940521240234375,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-09-09T08:40:30+00:00",
        "lat": 50.5791966999999971221768646501004695892333984375,
        "lon": -1.053220000000000045048409447190351784229278564453125
    },
    "last_point": {
        "ts": "2026-09-09T15:13:26+00:00",
        "lat": 50.57757000000000147110768011771142482757568359375,
        "lon": -1.0607816999999999385551063824095763266086578369140625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 08:04 UTC 75.0%
  • Duration: 6h 32m
  • Radius: 523 meters
  • Data Points: 53 AIS positions
  • Centroid: 50.5774, -1.0600
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 523.299999999999954525264911353588104248046875,
    "duration_minutes": 392.8999999999999772626324556767940521240234375,
    "points": 53,
    "centroid": {
        "lat": 50.5774066283019010370480827987194061279296875,
        "lon": -1.0600055358490567680718186238664202392101287841796875
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.57944169999999672882040613330900669097900390625,
        "max_lon": -1.0531932999999999989171328707016073167324066162109375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 07:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 52 AIS positions
  • Period: 2026-09-09T07:52:24+00:00 to 2026-09-09T14:28:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396.1000000000000227373675443232059478759765625,
    "points_in_zone": 52,
    "first_point": {
        "ts": "2026-09-09T07:52:24+00:00",
        "lat": 50.579509999999999081410351209342479705810546875,
        "lon": -1.053188299999999966161112752160988748073577880859375
    },
    "last_point": {
        "ts": "2026-09-09T14:28:30+00:00",
        "lat": 50.57679499999999706005837651900947093963623046875,
        "lon": -1.061753299999999899938529779319651424884796142578125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 07:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 450 meters
  • Data Points: 52 AIS positions
  • Centroid: 50.5777, -1.0589
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 450,
    "duration_minutes": 396.1000000000000227373675443232059478759765625,
    "points": 52,
    "centroid": {
        "lat": 50.5777258884615577017029863782227039337158203125,
        "lon": -1.0588836576923077448242338505224324762821197509765625
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.053125000000000088817841970012523233890533447265625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 06:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 58 AIS positions
  • Period: 2026-09-09T06:55:27+00:00 to 2026-09-09T13:28:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-09-09T06:55:27+00:00",
        "lat": 50.57934829999999948313416098244488239288330078125,
        "lon": -1.0529233000000000064488858697586692869663238525390625
    },
    "last_point": {
        "ts": "2026-09-09T13:28:28+00:00",
        "lat": 50.5767833000000024412656784988939762115478515625,
        "lon": -1.062279999999999891002744334400631487369537353515625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 06:04 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 412 meters
  • Data Points: 58 AIS positions
  • Centroid: 50.5783, -1.0570
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 412.30000000000001136868377216160297393798828125,
    "duration_minutes": 393,
    "points": 58,
    "centroid": {
        "lat": 50.578268467241372263742960058152675628662109375,
        "lon": -1.05702982931034483726762118749320507049560546875
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.0529233000000000064488858697586692869663238525390625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 05:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 59 AIS positions
  • Period: 2026-09-09T05:52:28+00:00 to 2026-09-09T12:22:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 59,
    "first_point": {
        "ts": "2026-09-09T05:52:28+00:00",
        "lat": 50.5792933000000033416654332540929317474365234375,
        "lon": -1.0529466999999999021753183114924468100070953369140625
    },
    "last_point": {
        "ts": "2026-09-09T12:22:29+00:00",
        "lat": 50.576903299999997898339643143117427825927734375,
        "lon": -1.0623782999999999976381559463334269821643829345703125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 05:01 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 539 meters
  • Data Points: 59 AIS positions
  • Centroid: 50.5787, -1.0554
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 539.3999999999999772626324556767940521240234375,
    "duration_minutes": 390,
    "points": 59,
    "centroid": {
        "lat": 50.57872262033897214905664441175758838653564453125,
        "lon": -1.055370961016949049593449672101996839046478271484375
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.052881699999999920436266620527021586894989013671875
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 04:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 39m
  • Data Points: 69 AIS positions
  • Period: 2026-09-09T04:40:27+00:00 to 2026-09-09T11:19:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 399,
    "points_in_zone": 69,
    "first_point": {
        "ts": "2026-09-09T04:40:27+00:00",
        "lat": 50.57900169999999917536115390248596668243408203125,
        "lon": -1.052736700000000080734707808005623519420623779296875
    },
    "last_point": {
        "ts": "2026-09-09T11:19:28+00:00",
        "lat": 50.5770782999999966023096931166946887969970703125,
        "lon": -1.0625116999999999478632162208668887615203857421875
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 04:01 UTC 75.0%
  • Duration: 6h 39m
  • Radius: 607 meters
  • Data Points: 69 AIS positions
  • Centroid: 50.5789, -1.0544
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 607.3999999999999772626324556767940521240234375,
    "duration_minutes": 399,
    "points": 69,
    "centroid": {
        "lat": 50.57890970724638890487767639569938182830810546875,
        "lon": -1.05443758405797094468425711966119706630706787109375
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.0625332999999999028517549959360621869564056396484375,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.0526967000000000407311517847119830548763275146484375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 03:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 72 AIS positions
  • Period: 2026-09-09T03:52:26+00:00 to 2026-09-09T10:28:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396.1000000000000227373675443232059478759765625,
    "points_in_zone": 72,
    "first_point": {
        "ts": "2026-09-09T03:52:26+00:00",
        "lat": 50.57854669999999686069713789038360118865966796875,
        "lon": -1.05254169999999991347294781007803976535797119140625
    },
    "last_point": {
        "ts": "2026-09-09T10:28:31+00:00",
        "lat": 50.57619170000000252684912993572652339935302734375,
        "lon": -1.061606700000000014227907740860246121883392333984375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 03:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 673 meters
  • Data Points: 72 AIS positions
  • Centroid: 50.5791, -1.0533
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 672.6000000000000227373675443232059478759765625,
    "duration_minutes": 396.1000000000000227373675443232059478759765625,
    "points": 72,
    "centroid": {
        "lat": 50.57908074027778155823398265056312084197998046875,
        "lon": -1.053265645833333596925740494043566286563873291015625
    },
    "bbox": {
        "min_lat": 50.575749999999999317878973670303821563720703125,
        "min_lon": -1.061606700000000014227907740860246121883392333984375,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 02:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 79 AIS positions
  • Period: 2026-09-09T02:52:27+00:00 to 2026-09-09T09:22:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 79,
    "first_point": {
        "ts": "2026-09-09T02:52:27+00:00",
        "lat": 50.57657830000000132031345856375992298126220703125,
        "lon": -1.0558783000000000473761474495404399931430816650390625
    },
    "last_point": {
        "ts": "2026-09-09T09:22:29+00:00",
        "lat": 50.57944169999999672882040613330900669097900390625,
        "lon": -1.053490000000000037516656448133289813995361328125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 02:01 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 336 meters
  • Data Points: 79 AIS positions
  • Centroid: 50.5790, -1.0530
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 335.8999999999999772626324556767940521240234375,
    "duration_minutes": 390,
    "points": 79,
    "centroid": {
        "lat": 50.57896069620253598486669943667948246002197265625,
        "lon": -1.05296406962025290710016633966006338596343994140625
    },
    "bbox": {
        "min_lat": 50.57641499999999723513610661029815673828125,
        "min_lon": -1.0558783000000000473761474495404399931430816650390625,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 01:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 83 AIS positions
  • Period: 2026-09-09T01:52:25+00:00 to 2026-09-09T08:25:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 83,
    "first_point": {
        "ts": "2026-09-09T01:52:25+00:00",
        "lat": 50.577325000000001864464138634502887725830078125,
        "lon": -1.060481699999999971595343595254234969615936279296875
    },
    "last_point": {
        "ts": "2026-09-09T08:25:29+00:00",
        "lat": 50.579333300000001827356754802167415618896484375,
        "lon": -1.053125000000000088817841970012523233890533447265625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 01:01 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 500 meters
  • Data Points: 83 AIS positions
  • Centroid: 50.5787, -1.0539
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 500.30000000000001136868377216160297393798828125,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 83,
    "centroid": {
        "lat": 50.5786561024096528171867248602211475372314453125,
        "lon": -1.053867025301204574105895517277531325817108154296875
    },
    "bbox": {
        "min_lat": 50.57641499999999723513610661029815673828125,
        "min_lon": -1.0604867000000000043513637137948535382747650146484375,
        "max_lat": 50.57954000000000149839252117089927196502685546875,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 9, 2026 00:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 85 AIS positions
  • Period: 2026-09-09T00:55:27+00:00 to 2026-09-09T07:25:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 85,
    "first_point": {
        "ts": "2026-09-09T00:55:27+00:00",
        "lat": 50.57743330000000270274540525861084461212158203125,
        "lon": -1.0613767000000000617632167632109485566616058349609375
    },
    "last_point": {
        "ts": "2026-09-09T07:25:28+00:00",
        "lat": 50.5794317000000006601112545467913150787353515625,
        "lon": -1.0531067000000000621895424046670086681842803955078125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 9, 2026 00:04 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 478 meters
  • Data Points: 85 AIS positions
  • Centroid: 50.5784, -1.0550
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 477.8999999999999772626324556767940521240234375,
    "duration_minutes": 390,
    "points": 85,
    "centroid": {
        "lat": 50.57837778352939750448058475740253925323486328125,
        "lon": -1.054993409411765004080052676727063953876495361328125
    },
    "bbox": {
        "min_lat": 50.57641499999999723513610661029815673828125,
        "min_lon": -1.0615149999999999863575794734060764312744140625,
        "max_lat": 50.5794532999999972844307194463908672332763671875,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 23:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 81 AIS positions
  • Period: 2026-09-08T23:52:28+00:00 to 2026-09-09T06:28:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 81,
    "first_point": {
        "ts": "2026-09-08T23:52:28+00:00",
        "lat": 50.5777216999999978952473611570894718170166015625,
        "lon": -1.06129329999999999500914782402105629444122314453125
    },
    "last_point": {
        "ts": "2026-09-09T06:28:23+00:00",
        "lat": 50.5794216999999974859747453592717647552490234375,
        "lon": -1.0529683000000000792084620115929283201694488525390625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 23:01 UTC 75.0%
  • Duration: 6h 35m
  • Radius: 386 meters
  • Data Points: 81 AIS positions
  • Centroid: 50.5780, -1.0564
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 385.6000000000000227373675443232059478759765625,
    "duration_minutes": 395.8999999999999772626324556767940521240234375,
    "points": 81,
    "centroid": {
        "lat": 50.5780440345678954372488078661262989044189453125,
        "lon": -1.0563609876543209598054318121285177767276763916015625
    },
    "bbox": {
        "min_lat": 50.57641499999999723513610661029815673828125,
        "min_lon": -1.0616982999999999837115183254354633390903472900390625,
        "max_lat": 50.5794216999999974859747453592717647552490234375,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 22:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 88 AIS positions
  • Period: 2026-09-08T22:52:29+00:00 to 2026-09-09T05:28:25+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 88,
    "first_point": {
        "ts": "2026-09-08T22:52:29+00:00",
        "lat": 50.57772829999999686378941987641155719757080078125,
        "lon": -1.061280000000000001136868377216160297393798828125
    },
    "last_point": {
        "ts": "2026-09-09T05:28:25+00:00",
        "lat": 50.5792416999999971949364407919347286224365234375,
        "lon": -1.0528267000000000042092551666428335011005401611328125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 22:04 UTC 75.0%
  • Duration: 6h 35m
  • Radius: 373 meters
  • Data Points: 88 AIS positions
  • Centroid: 50.5779, -1.0576
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 372.69999999999998863131622783839702606201171875,
    "duration_minutes": 395.8999999999999772626324556767940521240234375,
    "points": 88,
    "centroid": {
        "lat": 50.57785558636363276718839188106358051300048828125,
        "lon": -1.05760672272727251908008838654495775699615478515625
    },
    "bbox": {
        "min_lat": 50.57641499999999723513610661029815673828125,
        "min_lon": -1.0616982999999999837115183254354633390903472900390625,
        "max_lat": 50.5792483000000032689058571122586727142333984375,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 21:07 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 88 AIS positions
  • Period: 2026-09-08T21:52:26+00:00 to 2026-09-09T04:28:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 88,
    "first_point": {
        "ts": "2026-09-08T21:52:26+00:00",
        "lat": 50.57645670000000137633833219297230243682861328125,
        "lon": -1.057153299999999962466290526208467781543731689453125
    },
    "last_point": {
        "ts": "2026-09-09T04:28:28+00:00",
        "lat": 50.5790032999999965568349580280482769012451171875,
        "lon": -1.052718299999999995719690559781156480312347412109375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 21:07 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 456 meters
  • Data Points: 88 AIS positions
  • Centroid: 50.5776, -1.0587
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 456.19999999999998863131622783839702606201171875,
    "duration_minutes": 396,
    "points": 88,
    "centroid": {
        "lat": 50.577581268181830864705261774361133575439453125,
        "lon": -1.0587398318181822087780119545641355216503143310546875
    },
    "bbox": {
        "min_lat": 50.57641499999999723513610661029815673828125,
        "min_lon": -1.0616982999999999837115183254354633390903472900390625,
        "max_lat": 50.5790032999999965568349580280482769012451171875,
        "max_lon": -1.0524983000000001087670398192130960524082183837890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 20:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 39m
  • Data Points: 86 AIS positions
  • Period: 2026-09-08T20:40:25+00:00 to 2026-09-09T03:19:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 399,
    "points_in_zone": 86,
    "first_point": {
        "ts": "2026-09-08T20:40:25+00:00",
        "lat": 50.57833500000000270802047452889382839202880859375,
        "lon": -1.0526682999999998902040942994062788784503936767578125
    },
    "last_point": {
        "ts": "2026-09-09T03:19:27+00:00",
        "lat": 50.57834170000000284517227555625140666961669921875,
        "lon": -1.0525249999999999328537114706705324351787567138671875
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 20:04 UTC 75.0%
  • Duration: 6h 39m
  • Radius: 476 meters
  • Data Points: 86 AIS positions
  • Centroid: 50.5774, -1.0591
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 476.1000000000000227373675443232059478759765625,
    "duration_minutes": 399,
    "points": 86,
    "centroid": {
        "lat": 50.5773757151162755008044769056141376495361328125,
        "lon": -1.0590731209302324256071869967854581773281097412109375
    },
    "bbox": {
        "min_lat": 50.57618000000000080262907431460916996002197265625,
        "min_lon": -1.0616982999999999837115183254354633390903472900390625,
        "max_lat": 50.57842000000000126647137221880257129669189453125,
        "max_lon": -1.0525249999999999328537114706705324351787567138671875
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 19:07 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 29m
  • Data Points: 85 AIS positions
  • Period: 2026-09-08T19:58:30+00:00 to 2026-09-09T02:28:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 389.8999999999999772626324556767940521240234375,
    "points_in_zone": 85,
    "first_point": {
        "ts": "2026-09-08T19:58:30+00:00",
        "lat": 50.57891000000000047975845518521964550018310546875,
        "lon": -1.05277669999999989869365890626795589923858642578125
    },
    "last_point": {
        "ts": "2026-09-09T02:28:27+00:00",
        "lat": 50.57711669999999770652721053920686244964599609375,
        "lon": -1.0593532999999999422158225570456124842166900634765625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 19:07 UTC 75.0%
  • Duration: 6h 29m
  • Radius: 455 meters
  • Data Points: 85 AIS positions
  • Centroid: 50.5776, -1.0588
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 454.80000000000001136868377216160297393798828125,
    "duration_minutes": 389.8999999999999772626324556767940521240234375,
    "points": 85,
    "centroid": {
        "lat": 50.577552683529432897557853721082210540771484375,
        "lon": -1.0588235917647050854384360718540847301483154296875
    },
    "bbox": {
        "min_lat": 50.57618000000000080262907431460916996002197265625,
        "min_lon": -1.0616982999999999837115183254354633390903472900390625,
        "max_lat": 50.57891000000000047975845518521964550018310546875,
        "max_lon": -1.05261169999999992796801961958408355712890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 18:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 85 AIS positions
  • Period: 2026-09-08T18:52:27+00:00 to 2026-09-09T01:28:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 85,
    "first_point": {
        "ts": "2026-09-08T18:52:27+00:00",
        "lat": 50.5793733000000003130480763502418994903564453125,
        "lon": -1.052998300000000053699977797805331647396087646484375
    },
    "last_point": {
        "ts": "2026-09-09T01:28:27+00:00",
        "lat": 50.57724830000000082463884609751403331756591796875,
        "lon": -1.0614200000000000301270119962282478809356689453125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 18:04 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 382 meters
  • Data Points: 85 AIS positions
  • Centroid: 50.5778, -1.0578
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 381.6000000000000227373675443232059478759765625,
    "duration_minutes": 396,
    "points": 85,
    "centroid": {
        "lat": 50.57783990000000784448275226168334484100341796875,
        "lon": -1.05776717999999991803861121297813951969146728515625
    },
    "bbox": {
        "min_lat": 50.57618000000000080262907431460916996002197265625,
        "min_lon": -1.0616982999999999837115183254354633390903472900390625,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.05261169999999992796801961958408355712890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 17:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 81 AIS positions
  • Period: 2026-09-08T17:52:25+00:00 to 2026-09-09T00:28:25+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 81,
    "first_point": {
        "ts": "2026-09-08T17:52:25+00:00",
        "lat": 50.5792383000000000947693479247391223907470703125,
        "lon": -1.0528500000000000635935748505289666354656219482421875
    },
    "last_point": {
        "ts": "2026-09-09T00:28:25+00:00",
        "lat": 50.577359999999998763087205588817596435546875,
        "lon": -1.06164170000000002147544364561326801776885986328125
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 17:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 349 meters
  • Data Points: 81 AIS positions
  • Centroid: 50.5780, -1.0568
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 349.19999999999998863131622783839702606201171875,
    "duration_minutes": 396,
    "points": 81,
    "centroid": {
        "lat": 50.57802230246914376721178996376693248748779296875,
        "lon": -1.0568371234567901506551379497977904975414276123046875
    },
    "bbox": {
        "min_lat": 50.57618000000000080262907431460916996002197265625,
        "min_lon": -1.0616716999999999959669594318256713449954986572265625,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.05261169999999992796801961958408355712890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 16:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 79 AIS positions
  • Period: 2026-09-08T16:52:26+00:00 to 2026-09-08T23:25:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393,
    "points_in_zone": 79,
    "first_point": {
        "ts": "2026-09-08T16:52:26+00:00",
        "lat": 50.57914329999999836218194104731082916259765625,
        "lon": -1.05277170000000008798224371275864541530609130859375
    },
    "last_point": {
        "ts": "2026-09-08T23:25:24+00:00",
        "lat": 50.5776733000000007223206921480596065521240234375,
        "lon": -1.061220000000000052153836804791353642940521240234375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 16:01 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 423 meters
  • Data Points: 79 AIS positions
  • Centroid: 50.5783, -1.0554
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 423,
    "duration_minutes": 393,
    "points": 79,
    "centroid": {
        "lat": 50.5782736025316665973150520585477352142333984375,
        "lon": -1.0554071126582285078399081612587906420230865478515625
    },
    "bbox": {
        "min_lat": 50.57618000000000080262907431460916996002197265625,
        "min_lon": -1.061318299999999936744643491692841053009033203125,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.05261169999999992796801961958408355712890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 15:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 75 AIS positions
  • Period: 2026-09-08T15:55:25+00:00 to 2026-09-08T22:25:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 75,
    "first_point": {
        "ts": "2026-09-08T15:55:25+00:00",
        "lat": 50.57877500000000026147972675971686840057373046875,
        "lon": -1.0528150000000000563460389457759447395801544189453125
    },
    "last_point": {
        "ts": "2026-09-08T22:25:27+00:00",
        "lat": 50.5775067000000007055859896354377269744873046875,
        "lon": -1.0609067000000000913217945708311162889003753662109375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 15:01 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 541 meters
  • Data Points: 75 AIS positions
  • Centroid: 50.5785, -1.0537
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 541,
    "duration_minutes": 390,
    "points": 75,
    "centroid": {
        "lat": 50.5785063760000213051171158440411090850830078125,
        "lon": -1.05373860400000030068667911109514534473419189453125
    },
    "bbox": {
        "min_lat": 50.57618000000000080262907431460916996002197265625,
        "min_lon": -1.061046699999999898267333264811895787715911865234375,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.05261169999999992796801961958408355712890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 14:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 75 AIS positions
  • Period: 2026-09-08T14:52:26+00:00 to 2026-09-08T21:25:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393,
    "points_in_zone": 75,
    "first_point": {
        "ts": "2026-09-08T14:52:26+00:00",
        "lat": 50.5771917000000001962689566425979137420654296875,
        "lon": -1.053326699999999949142193145235069096088409423828125
    },
    "last_point": {
        "ts": "2026-09-08T21:25:24+00:00",
        "lat": 50.57681500000000340833139489404857158660888671875,
        "lon": -1.053658299999999936602534944540821015834808349609375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 14:04 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 218 meters
  • Data Points: 75 AIS positions
  • Centroid: 50.5787, -1.0528
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 217.5,
    "duration_minutes": 393,
    "points": 75,
    "centroid": {
        "lat": 50.5786991093333426761091686785221099853515625,
        "lon": -1.052836781333333693311260503833182156085968017578125
    },
    "bbox": {
        "min_lat": 50.57681500000000340833139489404857158660888671875,
        "min_lon": -1.053658299999999936602534944540821015834808349609375,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.05261169999999992796801961958408355712890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 13:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 75 AIS positions
  • Period: 2026-09-08T13:52:19+00:00 to 2026-09-08T20:28:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396.1000000000000227373675443232059478759765625,
    "points_in_zone": 75,
    "first_point": {
        "ts": "2026-09-08T13:52:19+00:00",
        "lat": 50.57523499999999927467797533608973026275634765625,
        "lon": -1.0588482999999999645268644599127583205699920654296875
    },
    "last_point": {
        "ts": "2026-09-08T20:28:27+00:00",
        "lat": 50.578360000000003537934389896690845489501953125,
        "lon": -1.05262499999999992184029906638897955417633056640625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 13:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 532 meters
  • Data Points: 75 AIS positions
  • Centroid: 50.5784, -1.0532
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 531.8999999999999772626324556767940521240234375,
    "duration_minutes": 396.1000000000000227373675443232059478759765625,
    "points": 75,
    "centroid": {
        "lat": 50.57839680000001436610546079464256763458251953125,
        "lon": -1.0532153586666666011950610482017509639263153076171875
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.0588482999999999645268644599127583205699920654296875,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.05262499999999992184029906638897955417633056640625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 12:10 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 76 AIS positions
  • Period: 2026-09-08T12:52:26+00:00 to 2026-09-08T19:25:25+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393,
    "points_in_zone": 76,
    "first_point": {
        "ts": "2026-09-08T12:52:26+00:00",
        "lat": 50.576560000000000627551344223320484161376953125,
        "lon": -1.061493299999999972982323015457950532436370849609375
    },
    "last_point": {
        "ts": "2026-09-08T19:25:25+00:00",
        "lat": 50.5792517000000003690729499794542789459228515625,
        "lon": -1.052929999999999921556081972084939479827880859375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 12:10 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 508 meters
  • Data Points: 76 AIS positions
  • Centroid: 50.5779, -1.0548
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 507.5,
    "duration_minutes": 393,
    "points": 76,
    "centroid": {
        "lat": 50.57791592236842603824698016978800296783447265625,
        "lon": -1.0547948026315794312068874205579049885272979736328125
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.0615683000000000202334149435046128928661346435546875,
        "max_lat": 50.57939830000000114296199171803891658782958984375,
        "max_lon": -1.052659999999999929087834971142001450061798095703125
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 11:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 76 AIS positions
  • Period: 2026-09-08T11:43:24+00:00 to 2026-09-08T18:19:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 76,
    "first_point": {
        "ts": "2026-09-08T11:43:24+00:00",
        "lat": 50.5764817000000022062522475607693195343017578125,
        "lon": -1.061886700000000072208194978884421288967132568359375
    },
    "last_point": {
        "ts": "2026-09-08T18:19:23+00:00",
        "lat": 50.57913669999999939363988232798874378204345703125,
        "lon": -1.0527899999999998925659383530728518962860107421875
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 11:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 437 meters
  • Data Points: 76 AIS positions
  • Centroid: 50.5775, -1.0559
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 437.1000000000000227373675443232059478759765625,
    "duration_minutes": 396,
    "points": 76,
    "centroid": {
        "lat": 50.57754651578945725987068726681172847747802734375,
        "lon": -1.0559472789473687281969205287168733775615692138671875
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.0619066999999999811876705280155874788761138916015625,
        "max_lat": 50.579239999999998644852894358336925506591796875,
        "max_lon": -1.052659999999999929087834971142001450061798095703125
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 10:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 76 AIS positions
  • Period: 2026-09-08T10:52:23+00:00 to 2026-09-08T17:22:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 390,
    "points_in_zone": 76,
    "first_point": {
        "ts": "2026-09-08T10:52:23+00:00",
        "lat": 50.57666830000000146583261084742844104766845703125,
        "lon": -1.06196000000000001506350599811412394046783447265625
    },
    "last_point": {
        "ts": "2026-09-08T17:22:23+00:00",
        "lat": 50.57921499999999781493897899053990840911865234375,
        "lon": -1.052799999999999958077978590154089033603668212890625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 10:01 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 371 meters
  • Data Points: 76 AIS positions
  • Centroid: 50.5772, -1.0570
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 371.1000000000000227373675443232059478759765625,
    "duration_minutes": 390,
    "points": 76,
    "centroid": {
        "lat": 50.57724978421051531540797441266477108001708984375,
        "lon": -1.057032739473684035402811787207610905170440673828125
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.062065000000000036806113712373189628124237060546875,
        "max_lat": 50.57922169999999795209078001789748668670654296875,
        "max_lon": -1.052659999999999929087834971142001450061798095703125
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 09:34 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 27m
  • Data Points: 75 AIS positions
  • Period: 2026-09-08T09:55:20+00:00 to 2026-09-08T16:22:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 387.1000000000000227373675443232059478759765625,
    "points_in_zone": 75,
    "first_point": {
        "ts": "2026-09-08T09:55:20+00:00",
        "lat": 50.57689500000000037971403799019753932952880859375,
        "lon": -1.061868299999999987193177730659954249858856201171875
    },
    "last_point": {
        "ts": "2026-09-08T16:22:24+00:00",
        "lat": 50.5790166999999968311385600827634334564208984375,
        "lon": -1.05272670000000001522266757092438638210296630859375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 09:34 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 445 meters
  • Data Points: 75 AIS positions
  • Centroid: 50.5770, -1.0581
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 444.5,
    "duration_minutes": 387.1000000000000227373675443232059478759765625,
    "points": 75,
    "centroid": {
        "lat": 50.576985559999997121849446557462215423583984375,
        "lon": -1.0580790653333329576213373002246953547000885009765625
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.57912830000000070640453486703336238861083984375,
        "max_lon": -1.052659999999999929087834971142001450061798095703125
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 08:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 39m
  • Data Points: 61 AIS positions
  • Period: 2026-09-08T08:40:22+00:00 to 2026-09-08T15:19:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 399,
    "points_in_zone": 61,
    "first_point": {
        "ts": "2026-09-08T08:40:22+00:00",
        "lat": 50.5804116999999990866854204796254634857177734375,
        "lon": -1.0547717000000000897586005521588958799839019775390625
    },
    "last_point": {
        "ts": "2026-09-08T15:19:23+00:00",
        "lat": 50.5774382999999971843863022513687610626220703125,
        "lon": -1.052928300000000039204905988299287855625152587890625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 08:01 UTC 75.0%
  • Duration: 6h 39m
  • Radius: 543 meters
  • Data Points: 61 AIS positions
  • Centroid: 50.5766, -1.0596
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 543.200000000000045474735088646411895751953125,
    "duration_minutes": 399,
    "points": 61,
    "centroid": {
        "lat": 50.5766436377049330985755659639835357666015625,
        "lon": -1.059649939344262659091100431396625936031341552734375
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.052928300000000039204905988299287855625152587890625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 07:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 63 AIS positions
  • Period: 2026-09-08T07:52:21+00:00 to 2026-09-08T14:28:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 63,
    "first_point": {
        "ts": "2026-09-08T07:52:21+00:00",
        "lat": 50.5801000000000016143530956469476222991943359375,
        "lon": -1.0536133000000000858875637277378700673580169677734375
    },
    "last_point": {
        "ts": "2026-09-08T14:28:21+00:00",
        "lat": 50.575704999999999245119397528469562530517578125,
        "lon": -1.0548667000000000459891680293367244303226470947265625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 07:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 527 meters
  • Data Points: 63 AIS positions
  • Centroid: 50.5772, -1.0595
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 527,
    "duration_minutes": 396,
    "points": 63,
    "centroid": {
        "lat": 50.57723576984127333844298846088349819183349609375,
        "lon": -1.0595404428571431054706408758647739887237548828125
    },
    "bbox": {
        "min_lat": 50.5749617000000029065631679259240627288818359375,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.0536133000000000858875637277378700673580169677734375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 06:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 63 AIS positions
  • Period: 2026-09-08T06:52:19+00:00 to 2026-09-08T13:28:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 63,
    "first_point": {
        "ts": "2026-09-08T06:52:19+00:00",
        "lat": 50.5800066999999984318492352031171321868896484375,
        "lon": -1.053513300000000096900976132019422948360443115234375
    },
    "last_point": {
        "ts": "2026-09-08T13:28:21+00:00",
        "lat": 50.5765267000000022790118237026035785675048828125,
        "lon": -1.060803299999999893543645157478749752044677734375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 06:01 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 436 meters
  • Data Points: 63 AIS positions
  • Centroid: 50.5780, -1.0588
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 435.6000000000000227373675443232059478759765625,
    "duration_minutes": 396,
    "points": 63,
    "centroid": {
        "lat": 50.5780295238095192189575755037367343902587890625,
        "lon": -1.0587620031746032278618940836167894303798675537109375
    },
    "bbox": {
        "min_lat": 50.57635830000000254358383244834840297698974609375,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.053513300000000096900976132019422948360443115234375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 05:04 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 65 AIS positions
  • Period: 2026-09-08T05:52:24+00:00 to 2026-09-08T12:28:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 65,
    "first_point": {
        "ts": "2026-09-08T05:52:24+00:00",
        "lat": 50.57988999999999890633262111805379390716552734375,
        "lon": -1.053353299999999936886752038844861090183258056640625
    },
    "last_point": {
        "ts": "2026-09-08T12:28:26+00:00",
        "lat": 50.57635830000000254358383244834840297698974609375,
        "lon": -1.061588299999999929212890492635779082775115966796875
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 05:04 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 430 meters
  • Data Points: 65 AIS positions
  • Centroid: 50.5788, -1.0570
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 429.5,
    "duration_minutes": 396,
    "points": 65,
    "centroid": {
        "lat": 50.5787926646153920273718540556728839874267578125,
        "lon": -1.057029913846153856837872808682732284069061279296875
    },
    "bbox": {
        "min_lat": 50.57635830000000254358383244834840297698974609375,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.053351699999999890877688812906853854656219482421875
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 04:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 72 AIS positions
  • Period: 2026-09-08T04:52:16+00:00 to 2026-09-08T11:22:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 390.1000000000000227373675443232059478759765625,
    "points_in_zone": 72,
    "first_point": {
        "ts": "2026-09-08T04:52:16+00:00",
        "lat": 50.57970499999999702822606195695698261260986328125,
        "lon": -1.053213299999999907896608419832773506641387939453125
    },
    "last_point": {
        "ts": "2026-09-08T11:22:23+00:00",
        "lat": 50.5765533000000004903995431959629058837890625,
        "lon": -1.0619183000000000927087739910348318517208099365234375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 04:01 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 532 meters
  • Data Points: 72 AIS positions
  • Centroid: 50.5793, -1.0557
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 532.200000000000045474735088646411895751953125,
    "duration_minutes": 390.1000000000000227373675443232059478759765625,
    "points": 72,
    "centroid": {
        "lat": 50.57925740555557325706104165874421596527099609375,
        "lon": -1.0557205472222221942502073943614959716796875
    },
    "bbox": {
        "min_lat": 50.5765533000000004903995431959629058837890625,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.0530983000000000426865653935237787663936614990234375
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 03:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 73 AIS positions
  • Period: 2026-09-08T03:52:18+00:00 to 2026-09-08T10:25:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 73,
    "first_point": {
        "ts": "2026-09-08T03:52:18+00:00",
        "lat": 50.5792383000000000947693479247391223907470703125,
        "lon": -1.052833300000000082974338511121459305286407470703125
    },
    "last_point": {
        "ts": "2026-09-08T10:25:24+00:00",
        "lat": 50.5769149999999996225596987642347812652587890625,
        "lon": -1.0621416999999999664083816242055036127567291259765625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 03:01 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 624 meters
  • Data Points: 73 AIS positions
  • Centroid: 50.5796, -1.0544
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 623.6000000000000227373675443232059478759765625,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 73,
    "centroid": {
        "lat": 50.57963803287672277519959607161581516265869140625,
        "lon": -1.0544466602739726024395849890424869954586029052734375
    },
    "bbox": {
        "min_lat": 50.57689500000000037971403799019753932952880859375,
        "min_lon": -1.0622082999999999941564965411089360713958740234375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.0528082999999999191942379184183664619922637939453125
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 02:13 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 81 AIS positions
  • Period: 2026-09-08T02:13:18+00:00 to 2026-09-08T08:46:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 81,
    "first_point": {
        "ts": "2026-09-08T02:13:18+00:00",
        "lat": 50.58013170000000258141881204210221767425537109375,
        "lon": -1.053823299999999907328174231224693357944488525390625
    },
    "last_point": {
        "ts": "2026-09-08T08:46:23+00:00",
        "lat": 50.58056169999999696074155508540570735931396484375,
        "lon": -1.05530830000000008794813766144216060638427734375
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 02:13 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 149 meters
  • Data Points: 81 AIS positions
  • Centroid: 50.5799, -1.0535
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 149.400000000000005684341886080801486968994140625,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 81,
    "centroid": {
        "lat": 50.57989390864198497865800163708627223968505859375,
        "lon": -1.0534788012345679408809928645496256649494171142578125
    },
    "bbox": {
        "min_lat": 50.57922669999999953915903461165726184844970703125,
        "min_lon": -1.05530830000000008794813766144216060638427734375,
        "max_lat": 50.58056169999999696074155508540570735931396484375,
        "max_lon": -1.0528017000000000624737594989710487425327301025390625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 01:01 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 132 meters
  • Data Points: 80 AIS positions
  • Centroid: 50.5798, -1.0534
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 131.900000000000005684341886080801486968994140625,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 80,
    "centroid": {
        "lat": 50.57984497875001039801645674742758274078369140625,
        "lon": -1.053403016250000323594804285676218569278717041015625
    },
    "bbox": {
        "min_lat": 50.57868330000000156587702804245054721832275390625,
        "min_lon": -1.0542116999999999737980260761105455458164215087890625,
        "max_lat": 50.58030670000000128538886201567947864532470703125,
        "max_lon": -1.0528017000000000624737594989710487425327301025390625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 01:01 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 80 AIS positions
  • Period: 2026-09-08T01:52:16+00:00 to 2026-09-08T08:25:25+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 80,
    "first_point": {
        "ts": "2026-09-08T01:52:16+00:00",
        "lat": 50.57868330000000156587702804245054721832275390625,
        "lon": -1.0530299999999999105426695678033865988254547119140625
    },
    "last_point": {
        "ts": "2026-09-08T08:25:25+00:00",
        "lat": 50.58029330000000101108525996096432209014892578125,
        "lon": -1.0542116999999999737980260761105455458164215087890625
    }
}
Methodology: 2026.01.18
Loiter Northern Sea of Japan Surveillance Zone
Sep 8, 2026 00:51 UTC 75.0%
  • Duration: 6h 31m
  • Radius: 2,018 meters
  • Data Points: 88 AIS positions
  • Centroid: 50.5781, -1.0545
  • Zone: Northern Sea of Japan Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 2017.90000000000009094947017729282379150390625,
    "duration_minutes": 391.30000000000001136868377216160297393798828125,
    "points": 88,
    "centroid": {
        "lat": 50.57813007499999713445504312403500080108642578125,
        "lon": -1.05450316022727275111492417636327445507049560546875
    },
    "bbox": {
        "min_lat": 50.56123000000000189402271644212305545806884765625,
        "min_lon": -1.064855000000000107007736005471087992191314697265625,
        "max_lat": 50.58026830000000018117134459316730499267578125,
        "max_lon": -1.0528017000000000624737594989710487425327301025390625
    },
    "zone_id": "discovered_142"
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 8, 2026 00:03 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 31m
  • Data Points: 88 AIS positions
  • Period: 2026-09-08T00:51:02+00:00 to 2026-09-08T07:22:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 391.30000000000001136868377216160297393798828125,
    "points_in_zone": 88,
    "first_point": {
        "ts": "2026-09-08T00:51:02+00:00",
        "lat": 50.56123000000000189402271644212305545806884765625,
        "lon": -1.064855000000000107007736005471087992191314697265625
    },
    "last_point": {
        "ts": "2026-09-08T07:22:21+00:00",
        "lat": 50.580185000000000172803993336856365203857421875,
        "lon": -1.05378330000000008936922313296236097812652587890625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 7, 2026 23:57 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 31m
  • Data Points: 104 AIS positions
  • Period: 2026-09-07T23:57:01+00:00 to 2026-09-08T06:28:22+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 391.3999999999999772626324556767940521240234375,
    "points_in_zone": 104,
    "first_point": {
        "ts": "2026-09-07T23:57:01+00:00",
        "lat": 50.5140533000000004903995431959629058837890625,
        "lon": -0.864665000000000016910917111090384423732757568359375
    },
    "last_point": {
        "ts": "2026-09-08T06:28:22+00:00",
        "lat": 50.58008499999999685314833186566829681396484375,
        "lon": -1.053573300000000045884007704444229602813720703125
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 7, 2026 22:03 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 32m
  • Data Points: 85 AIS positions
  • Period: 2026-09-07T22:23:03+00:00 to 2026-09-08T04:55:22+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 392.30000000000001136868377216160297393798828125,
    "points_in_zone": 85,
    "first_point": {
        "ts": "2026-09-07T22:23:03+00:00",
        "lat": 50.52015329999999693200152250938117504119873046875,
        "lon": -0.313064999999999982183140900815487839281558990478515625
    },
    "last_point": {
        "ts": "2026-09-08T04:55:22+00:00",
        "lat": 50.5796399999999977126208250410854816436767578125,
        "lon": -1.05317829999999990064907251507975161075592041015625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 7, 2026 21:18 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 6h 31m
  • Data Points: 90 AIS positions
  • Period: 2026-09-07T21:47:32+00:00 to 2026-09-08T04:19:19+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 391.80000000000001136868377216160297393798828125,
    "points_in_zone": 90,
    "first_point": {
        "ts": "2026-09-07T21:47:32+00:00",
        "lat": 50.5227067000000005236870492808520793914794921875,
        "lon": -0.110825000000000006838973831690964289009571075439453125
    },
    "last_point": {
        "ts": "2026-09-08T04:19:19+00:00",
        "lat": 50.579599999999999226929503493010997772216796875,
        "lon": -1.0530717000000000549420064999139867722988128662109375
    }
}
Methodology: 2026.01.18
Zone Dwell English Channel Monitoring Zone
Sep 7, 2026 18:00 UTC 80.0%
  • Zone: English Channel Monitoring Zone
  • Duration: 1h 13m
  • Data Points: 29 AIS positions
  • Period: 2026-09-07T18:00:22+00:00 to 2026-09-07T19:13:53+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_154",
    "zone_name": "English Channel Monitoring Zone",
    "dwell_minutes": 73.5,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-09-07T18:00:22+00:00",
        "lat": 50.800943300000000135696609504520893096923828125,
        "lon": 0.95582500000000003570477247194503434002399444580078125
    },
    "last_point": {
        "ts": "2026-09-07T19:13:53+00:00",
        "lat": 50.66445329999999813708200235851109027862548828125,
        "lon": 0.65350330000000000918447540243505500257015228271484375
    }
}
Methodology: 2026.01.18
Zone Dwell English Channel Monitoring Zone
Sep 7, 2026 17:24 UTC 80.0%
  • Zone: English Channel Monitoring Zone
  • Duration: 1h 49m
  • Data Points: 54 AIS positions
  • Period: 2026-09-07T17:24:03+00:00 to 2026-09-07T19:13:53+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_154",
    "zone_name": "English Channel Monitoring Zone",
    "dwell_minutes": 109.7999999999999971578290569595992565155029296875,
    "points_in_zone": 54,
    "first_point": {
        "ts": "2026-09-07T17:24:03+00:00",
        "lat": 50.88008330000000256632119999267160892486572265625,
        "lon": 1.098136699999999965626784614869393408298492431640625
    },
    "last_point": {
        "ts": "2026-09-07T19:13:53+00:00",
        "lat": 50.66445329999999813708200235851109027862548828125,
        "lon": 0.65350330000000000918447540243505500257015228271484375
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 7, 2026 15:00 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 1h 28m
  • Data Points: 49 AIS positions
  • Period: 2026-09-07T15:00:17+00:00 to 2026-09-07T16:29:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 88.900000000000005684341886080801486968994140625,
    "points_in_zone": 49,
    "first_point": {
        "ts": "2026-09-07T15:00:17+00:00",
        "lat": 51.213813299999998207567841745913028717041015625,
        "lon": 1.7290666999999999564607833235641010105609893798828125
    },
    "last_point": {
        "ts": "2026-09-07T16:29:12+00:00",
        "lat": 51.009923299999996970655047334730625152587890625,
        "lon": 1.322214999999999918145476840436458587646484375
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 7, 2026 14:07 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 2h 21m
  • Data Points: 75 AIS positions
  • Period: 2026-09-07T14:07:35+00:00 to 2026-09-07T16:29:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 141.599999999999994315658113919198513031005859375,
    "points_in_zone": 75,
    "first_point": {
        "ts": "2026-09-07T14:07:35+00:00",
        "lat": 51.35921330000000040172380977310240268707275390625,
        "lon": 1.87503669999999988959871188853867352008819580078125
    },
    "last_point": {
        "ts": "2026-09-07T16:29:12+00:00",
        "lat": 51.009923299999996970655047334730625152587890625,
        "lon": 1.322214999999999918145476840436458587646484375
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 7, 2026 11:28 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 5 hours
  • Data Points: 84 AIS positions
  • Period: 2026-09-07T11:28:33+00:00 to 2026-09-07T16:29:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 300.6000000000000227373675443232059478759765625,
    "points_in_zone": 84,
    "first_point": {
        "ts": "2026-09-07T11:28:33+00:00",
        "lat": 51.74676170000000041682142182253301143646240234375,
        "lon": 2.39735999999999993548271959298290312290191650390625
    },
    "last_point": {
        "ts": "2026-09-07T16:29:12+00:00",
        "lat": 51.009923299999996970655047334730625152587890625,
        "lon": 1.322214999999999918145476840436458587646484375
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 7, 2026 09:06 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 6h 31m
  • Data Points: 58 AIS positions
  • Period: 2026-09-07T09:06:22+00:00 to 2026-09-07T15:38:17+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 391.8999999999999772626324556767940521240234375,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-09-07T09:06:22+00:00",
        "lat": 52.02600000000000335376171278767287731170654296875,
        "lon": 2.936830000000000051585402616183273494243621826171875
    },
    "last_point": {
        "ts": "2026-09-07T15:38:17+00:00",
        "lat": 51.12951670000000348181856679730117321014404296875,
        "lon": 1.553961699999999890309254624298773705959320068359375
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 7, 2026 08:06 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 51 AIS positions
  • Period: 2026-09-07T08:41:12+00:00 to 2026-09-07T15:18:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 397.5,
    "points_in_zone": 51,
    "first_point": {
        "ts": "2026-09-07T08:41:12+00:00",
        "lat": 52.03456829999999655456122127361595630645751953125,
        "lon": 3.0713533000000001749185685184784233570098876953125
    },
    "last_point": {
        "ts": "2026-09-07T15:18:43+00:00",
        "lat": 51.17423500000000302634362014941871166229248046875,
        "lon": 1.643181699999999967332087180693633854389190673828125
    }
}
Methodology: 2026.01.18
Ais Gap🛰️✓ Southern Öresund Surveillance Zone
Sep 5, 2026 21:56 UTC 70.0%
  • Gap Duration: 5h 3m
  • Last Seen: 2026-09-05T21:56:46+00:00 at 51.1787, 1.9380 (Zone: Southern Öresund Surveillance Zone)
  • Next Seen: 2026-09-06T03:00:07+00:00 at 51.8727, 3.0282

🛰️ Gap Corroboration

🛰️ Imagery Available

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: ✓ Signal detected

6 thermal/light anomalies detected

Detections: 6 thermal anomalies

View detections
LocationBrightnessTime
51.0314, 2.2837329.8 K2026-09-05T20:02:00+00:00
51.0440, 2.2940329.7 K2026-09-05T20:02:00+00:00
51.0473, 2.2952329.6 K2026-09-05T20:02:00+00:00
51.0432, 2.2997312.3 K2026-09-05T20:02:00+00:00
51.0407, 2.2929309.6 K2026-09-05T20:02:00+00:00

Searched: 2026-09-06T03:15:02.098910+00:00

Show Raw Evidence JSON
{
    "gap_minutes": 303.3999999999999772626324556767940521240234375,
    "last_seen": {
        "ts": "2026-09-05T21:56:46+00:00",
        "lat": 51.1786732999999998128259903751313686370849609375,
        "lon": 1.93796999999999997044142219237983226776123046875,
        "sog": 12.300000000000000710542735760100185871124267578125,
        "zone_id": "discovered_003"
    },
    "next_seen": {
        "ts": "2026-09-06T03:00:07+00:00",
        "lat": 51.87271170000000353184077539481222629547119140625,
        "lon": 3.028203299999999931202410152764059603214263916015625,
        "zone_ids": [
            "discovered_003"
        ]
    },
    "gap_enrichment": {
        "status": "done",
        "corridor": {
            "start": {
                "lat": 51.1786732999999998128259903751313686370849609375,
                "lon": 1.93796999999999997044142219237983226776123046875,
                "ts": "2026-09-05T21:56:46+00:00"
            },
            "end": {
                "lat": 51.87271170000000353184077539481222629547119140625,
                "lon": 3.028203299999999931202410152764059603214263916015625,
                "ts": "2026-09-06T03:00:07+00:00"
            },
            "bbox": {
                "min_lat": 50.99849300000000340560291078872978687286376953125,
                "min_lon": 1.648366999999999915615944701130501925945281982421875,
                "max_lat": 52.0528919999999999390638549812138080596923828125,
                "max_lon": 3.31780600000000003291233952040784060955047607421875
            },
            "buffer_km": 20
        },
        "sar": {
            "status": "not_found",
            "notes": "No Sentinel-1 scenes covering corridor and time window"
        },
        "viirs": {
            "status": "signal",
            "dataset": "VIIRS_SNPP",
            "detection_count": 6,
            "top_detections": [
                {
                    "lat": 51.03141000000000104819264379329979419708251953125,
                    "lon": 2.283729999999999815685214343830011785030364990234375,
                    "brightness": 329.76999999999998181010596454143524169921875,
                    "frp": 4.32000000000000028421709430404007434844970703125,
                    "confidence": "n",
                    "acq_date": "2026-09-05",
                    "acq_time": "202",
                    "satellite": "N",
                    "daynight": "N",
                    "acq_datetime": "2026-09-05T20:02:00+00:00"
                },
                {
                    "lat": 51.04397999999999768760972074232995510101318359375,
                    "lon": 2.29403999999999985703880156506784260272979736328125,
                    "brightness": 329.68000000000000682121026329696178436279296875,
                    "frp": 3.5099999999999997868371792719699442386627197265625,
                    "confidence": "n",
                    "acq_date": "2026-09-05",
                    "acq_time": "202",
                    "satellite": "N",
                    "daynight": "N",
                    "acq_datetime": "2026-09-05T20:02:00+00:00"
                },
                {
                    "lat": 51.0473300000000023146640160121023654937744140625,
                    "lon": 2.295199999999999906918901615426875650882720947265625,
                    "brightness": 329.56999999999999317878973670303821563720703125,
                    "frp": 2.359999999999999875655021241982467472553253173828125,
                    "confidence": "n",
                    "acq_date": "2026-09-05",
                    "acq_time": "202",
                    "satellite": "N",
                    "daynight": "N",
                    "acq_datetime": "2026-09-05T20:02:00+00:00"
                },
                {
                    "lat": 51.0431999999999987949195201508700847625732421875,
                    "lon": 2.299700000000000077449158197850920259952545166015625,
                    "brightness": 312.30000000000001136868377216160297393798828125,
                    "frp": 2.4199999999999999289457264239899814128875732421875,
                    "confidence": "n",
                    "acq_date": "2026-09-05",
                    "acq_time": "202",
                    "satellite": "N",
                    "daynight": "N",
                    "acq_datetime": "2026-09-05T20:02:00+00:00"
                },
                {
                    "lat": 51.040649999999999408828443847596645355224609375,
                    "lon": 2.292879999999999807158701514708809554576873779296875,
                    "brightness": 309.6399999999999863575794734060764312744140625,
                    "frp": 3.5099999999999997868371792719699442386627197265625,
                    "confidence": "n",
                    "acq_date": "2026-09-05",
                    "acq_time": "202",
                    "satellite": "N",
                    "daynight": "N",
                    "acq_datetime": "2026-09-05T20:02:00+00:00"
                }
            ],
            "notes": "6 thermal\/light anomalies detected"
        },
        "searched_at": "2026-09-06T03:15:02.098910+00:00"
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 5, 2026 21:02 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 6h 29m
  • Data Points: 42 AIS positions
  • Period: 2026-09-05T21:16:44+00:00 to 2026-09-06T03:45:52+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 389.1000000000000227373675443232059478759765625,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-09-05T21:16:44+00:00",
        "lat": 51.1037816999999989775460562668740749359130859375,
        "lon": 1.7549799999999999844391140868538059294223785400390625
    },
    "last_point": {
        "ts": "2026-09-06T03:45:52+00:00",
        "lat": 51.9150350000000031513991416431963443756103515625,
        "lon": 3.26128000000000017877255231724120676517486572265625
    }
}
Methodology: 2026.01.18
Zone Dwell Southern Öresund Surveillance Zone
Sep 5, 2026 20:40 UTC 80.0%
  • Zone: Southern Öresund Surveillance Zone
  • Duration: 6h 39m
  • Data Points: 36 AIS positions
  • Period: 2026-09-05T20:50:04+00:00 to 2026-09-06T03:29:22+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_003",
    "zone_name": "Southern \u00d6resund Surveillance Zone",
    "dwell_minutes": 399.30000000000001136868377216160297393798828125,
    "points_in_zone": 36,
    "first_point": {
        "ts": "2026-09-05T20:50:04+00:00",
        "lat": 51.03726499999999788315108162350952625274658203125,
        "lon": 1.6514482999999999801588046466349624097347259521484375
    },
    "last_point": {
        "ts": "2026-09-06T03:29:22+00:00",
        "lat": 51.90304499999999876536094234324991703033447265625,
        "lon": 3.175640000000000018332002582610584795475006103515625
    }
}
Methodology: 2026.01.18
Zone Dwell English Channel Monitoring Zone
Sep 5, 2026 16:04 UTC 80.0%
  • Zone: English Channel Monitoring Zone
  • Duration: 1h 52m
  • Data Points: 42 AIS positions
  • Period: 2026-09-05T16:04:05+00:00 to 2026-09-05T17:56:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_154",
    "zone_name": "English Channel Monitoring Zone",
    "dwell_minutes": 112,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-09-05T16:04:05+00:00",
        "lat": 50.39714500000000185764292837120592594146728515625,
        "lon": 0.5107566999999999524106897297315299510955810546875
    },
    "last_point": {
        "ts": "2026-09-05T17:56:05+00:00",
        "lat": 50.5401250000000032969182939268648624420166015625,
        "lon": 1.0937566999999999151071961023262701928615570068359375
    }
}
Methodology: 2026.01.18
Zone Dwell English Channel Monitoring Zone
Sep 5, 2026 15:50 UTC 80.0%
  • Zone: English Channel Monitoring Zone
  • Duration: 2h 5m
  • Data Points: 49 AIS positions
  • Period: 2026-09-05T15:50:26+00:00 to 2026-09-05T17:56:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_154",
    "zone_name": "English Channel Monitoring Zone",
    "dwell_minutes": 125.7000000000000028421709430404007434844970703125,
    "points_in_zone": 49,
    "first_point": {
        "ts": "2026-09-05T15:50:26+00:00",
        "lat": 50.3837132999999965932147460989654064178466796875,
        "lon": 0.43458330000000000570281599721056409180164337158203125
    },
    "last_point": {
        "ts": "2026-09-05T17:56:05+00:00",
        "lat": 50.5401250000000032969182939268648624420166015625,
        "lon": 1.0937566999999999151071961023262701928615570068359375
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 5, 2026 14:00 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 1h 28m
  • Data Points: 54 AIS positions
  • Period: 2026-09-05T14:00:45+00:00 to 2026-09-05T15:28:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 88,
    "points_in_zone": 54,
    "first_point": {
        "ts": "2026-09-05T14:00:45+00:00",
        "lat": 50.27146499999999917918103164993226528167724609375,
        "lon": -0.200085000000000012843059948863810859620571136474609375
    },
    "last_point": {
        "ts": "2026-09-05T15:28:44+00:00",
        "lat": 50.36220829999999892834239290095865726470947265625,
        "lon": 0.31208829999999998516813093374366872012615203857421875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 5, 2026 13:00 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 2h 27m
  • Data Points: 87 AIS positions
  • Period: 2026-09-05T13:00:56+00:00 to 2026-09-05T15:28:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 147.80000000000001136868377216160297393798828125,
    "points_in_zone": 87,
    "first_point": {
        "ts": "2026-09-05T13:00:56+00:00",
        "lat": 50.21281830000000212521626963280141353607177734375,
        "lon": -0.55998000000000003328892717036069370806217193603515625
    },
    "last_point": {
        "ts": "2026-09-05T15:28:44+00:00",
        "lat": 50.36220829999999892834239290095865726470947265625,
        "lon": 0.31208829999999998516813093374366872012615203857421875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 5, 2026 12:00 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 3h 28m
  • Data Points: 118 AIS positions
  • Period: 2026-09-05T12:00:43+00:00 to 2026-09-05T15:28:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 208,
    "points_in_zone": 118,
    "first_point": {
        "ts": "2026-09-05T12:00:43+00:00",
        "lat": 50.14911829999999781648511998355388641357421875,
        "lon": -0.915048300000000036646952139562927186489105224609375
    },
    "last_point": {
        "ts": "2026-09-05T15:28:44+00:00",
        "lat": 50.36220829999999892834239290095865726470947265625,
        "lon": 0.31208829999999998516813093374366872012615203857421875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Sea of Japan Surveillance Zone
Sep 5, 2026 11:32 UTC 80.0%
  • Zone: Northern Sea of Japan Surveillance Zone
  • Duration: 3h 56m
  • Data Points: 127 AIS positions
  • Period: 2026-09-05T11:32:43+00:00 to 2026-09-05T15:28:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_142",
    "zone_name": "Northern Sea of Japan Surveillance Zone",
    "dwell_minutes": 236,
    "points_in_zone": 127,
    "first_point": {
        "ts": "2026-09-05T11:32:43+00:00",
        "lat": 50.118386700000002065280568785965442657470703125,
        "lon": -1.07458000000000009066525308298878371715545654296875
    },
    "last_point": {
        "ts": "2026-09-05T15:28:44+00:00",
        "lat": 50.36220829999999892834239290095865726470947265625,
        "lon": 0.31208829999999998516813093374366872012615203857421875
    }
}
Methodology: 2026.01.18

Recent Position Data

Time (UTC) Lat Lon Speed Course Zone
Sep 9 17:47 50.6049 -0.9783 8.8 kn 33.5° Northern Sea of Japan Surveillance Zone
Sep 9 17:45 50.6008 -0.9825 8.5 kn 33.4° Northern Sea of Japan Surveillance Zone
Sep 9 17:44 50.5989 -0.9846 8.2 kn 37.9° Northern Sea of Japan Surveillance Zone
Sep 9 17:41 50.5936 -0.9908 7.7 kn 35.1° Northern Sea of Japan Surveillance Zone
Sep 9 17:39 50.5894 -0.9945 7.2 kn 17.2° Northern Sea of Japan Surveillance Zone
Sep 9 17:36 50.5833 -0.9984 7.0 kn 28.1° Northern Sea of Japan Surveillance Zone
Sep 9 17:33 50.5796 -1.0030 6.5 kn 51.6° Northern Sea of Japan Surveillance Zone
Sep 9 17:31 50.5780 -1.0097 6.2 kn 81.1° Northern Sea of Japan Surveillance Zone
Sep 9 17:27 50.5767 -1.0178 5.5 kn 74.9° Northern Sea of Japan Surveillance Zone
Sep 9 17:21 50.5745 -1.0326 4.8 kn 78.3° Northern Sea of Japan Surveillance Zone
Sep 9 17:15 50.5746 -1.0439 4.1 kn 106.7° Northern Sea of Japan Surveillance Zone
Sep 9 17:07 50.5782 -1.0532 1.7 kn 145.8° Northern Sea of Japan Surveillance Zone
Sep 9 17:03 50.5790 -1.0543 0.3 kn 119.6° Northern Sea of Japan Surveillance Zone
Sep 9 16:52 50.5793 -1.0535 0.3 kn 248.3° Northern Sea of Japan Surveillance Zone
Sep 9 16:46 50.5794 -1.0531 0.0 kn 164.3° Northern Sea of Japan Surveillance Zone
Sep 9 16:25 50.5795 -1.0532 0.0 kn 164.3° Northern Sea of Japan Surveillance Zone
Sep 9 16:22 50.5795 -1.0532 0.0 kn 164.3° Northern Sea of Japan Surveillance Zone
Sep 9 16:19 50.5794 -1.0533 0.0 kn 164.3° Northern Sea of Japan Surveillance Zone
Sep 9 16:10 50.5793 -1.0531 0.0 kn 164.3° Northern Sea of Japan Surveillance Zone
Sep 9 16:07 50.5793 -1.0531 0.0 kn 164.3° Northern Sea of Japan Surveillance Zone

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.