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South Korea flag

JUPITER — Tug · MMSI 440001110

KRUnderway Using Engine
World map showing the last known position of JUPITER at 33° 31.948' N, 126° 33.618' E
NSEW
Current PositionLive

JUPITER is currently under way in the East China Sea, at 33.5325° N, 126.5603° E, making 6.0 knots on a course of 346°. It is sailing from JEJU to JEJU with an ETA of 31 Aug 2026, 03:14 UTC. AIS position received 8 Sep 2026, 13:57 UTC.

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Updated 1 hour ago using terrestrial data
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Underway Using Engine
Current Navigational Status
6.0 kn
Speed
346.0°
/ ---
Course / Heading
0 m
Static Draught
---
Current Draught

Voyage Tracker

South Korea flag
JEJUKRCHA
ATD
17:29 UTCAug 30, 2026
South Korea flag
JEJUKRCHA
ETA
03:14 UTCAug 31, 2026
JUPITER

JUPITER

Identity

Tug
Type
South Korea flagKR
Flag
N/A
IMO Number
440001110
MMSI
999
Call Sign

Specifications

22 m × 10 m
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that JUPITER is part of.

Flag State
All KR-flagged vessels
Browse every ship currently registered under the KR flag, with live AIS positions.
Vessel Type
Browse all Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of JEJU
Port traffic, arrivals and live vessel positions for JEJU (KRCHA).

About JUPITER

Identity · Ownership · Class · Route

JUPITER — Tug

JUPITER is a tug registered under the South Korea flag.

JUPITER route and voyage history

JUPITER is currently on a voyage from JEJU to JEJU with an estimated arrival on 2026-08-31T03:14:00Z. The live route and current course of JUPITER are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

Vessels in the same class as JUPITER can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

Frequently Asked Questions

Where is JUPITER right now?+
JUPITER is currently under way in the East China Sea. It is sailing from JEJU to JEJU with an ETA of 31 Aug 2026, 03:14 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for JUPITER?+
JUPITER broadcasts MMSI 440001110, with call sign 999. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.
What type of ship is JUPITER?+
JUPITER is classified as a tug vessel registered under the KR flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full KR flag list at /flag/kr.
How can I see the live position of JUPITER?+
MarineRadar shows the latest AIS broadcast from JUPITER above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.
How often is JUPITER's position updated?+
AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.
What class is JUPITER?+
As a tug, JUPITER sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel.

JUPITER — Key Facts

MMSI
440001110
Call sign
999
Vessel type
Tug
Flag state
KR
Navigation status
Underway Using Engine
Current speed
6.0 knots
Course over ground
346.0°
Last known position
33.5325°, 126.5603°
Destination
JEJU
ETA
2026-08-31T03:14:00Z
Departure port
JEJU
Actual time of departure
2026-08-30T17:29:00Z
Maximum static draught
0 m
Dead weight
0 t
AIS last updated
2026-09-08T13:57:04Z