Where is ALTUM SIDUS now?

ALTUM SIDUS (Chemical tanker, Marshall Islands flag) was last seen on AIS on Oct 1, 2026, 19:46 UTC, at anchor, in the port of Oakland. The crew-entered destination was USSFO (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 19:28 UTC). This report does not confirm the ship’s current route.

What kind of ship is ALTUM SIDUS?

ALTUM SIDUS is a chemical tanker sailing under the flag of Marshall Islands, built in 2010. The vessel is 183 m long with a beam of 32.2 m and has a gross tonnage of 29,124.

Who is recorded as the owner or manager of ALTUM SIDUS?

ATNY MANAMA LLC is recorded as ISM manager for ALTUM SIDUS (source: EU MRV (THETIS-MRV) emissions; reporting year 2024). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Seadar hold for ALTUM SIDUS?

Seadar has no matched sanctions record displayed for ALTUM SIDUS from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for ALTUM SIDUS. Missing records do not establish whether the ship has been detained.

ALTUM SIDUS

Chemical tanker · Marshall Islands · built 2010 · AIS Class A

IMO9458822MMSI538005654Call signV7FS7Last AIS position Oct 1, 2026, 19:46 UTC

Open in Terminal

In short

ALTUM SIDUS (Chemical tanker, Marshall Islands flag) was last seen on AIS on Oct 1, 2026, 19:46 UTC, at anchor, in the port of Oakland. Its crew-entered AIS destination is USSFO (San Francisco); its reported draught is 11.6 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 19:28 UTC). It arrived there on Sep 30, 2026, 03:23 UTC. ISM manager: ATNY MANAMA LLC (source: EU MRV (THETIS-MRV) emissions, reporting year 2024).

Vessel type: Chemical tanker
Flag: Marshall Islands
Year built: 2010
Gross tonnage: 29,124
Size (length × beam): 183 m × 32 m
ISM manager: ATNY MANAMA LLC

Watch this ship

Get an email when ALTUM SIDUS arrives or leaves port, changes destination, name, flag or owner, or is sanctioned, detained or named in an official release.

We email you a link and a code. That creates a free account, no password or card, and follows ALTUM SIDUS.

Free account, no card: follow up to 5 ships and ports. Plus follows 50, Pro 500.

By continuing you accept the Terms and the Privacy policy.

Last reported position

received Oct 1, 2026, 19:46 UTC

Position: 37.7489° N, 122.3423° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: At anchor
Speed: 0 kn
Course: 217°
Heading: 333°

37.7489° N, 122.3423° W

Open the full live map →

Last 30 days: 1 port call (Oakland).

Port calls are detected by Seadar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

Try the live demo, no sign-up

Identity & particulars

Name: ALTUM SIDUS
IMO numberWhat is an IMO number?: 9458822
MMSIWhat is an MMSI?: 538005654
Call signWhat is a call sign?: V7FS7
Flag: Marshall Islands
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,124
Deadweight (DWT): Source: Wikidata, record Q105768176. Added to Seadar on September 23, 2026. Licence: CC0 1.0.45,612 t
Length overall: 183 m
Beam: 32.2 m
Year built: 2010

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

ISM manager: ATNY MANAMA LLC
Source: EU MRV (THETIS-MRV) emissions · reporting year 2024 · reported · confidence 0.9 · retrieved Sep 28, 2026

Timeline

Dated events for this ship from every source Seadar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Sep 30, 2026, 03:23 UTC	Arrived at OaklandAIS-detected	Seadar port-call detector (AIS geofence)
Jul 7, 2020, 07:11 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jul 6, 2020, 12:50 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jan 22, 2020, 14:35 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jan 22, 2020, 03:45 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jan 3, 2020, 06:53 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jan 2, 2020, 21:16 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2018	8,628 t	2,754 t	76 days	417 kg
2019	3,292 t	1,045 t	28 days	459 kg
2020	4,804 t	1,515 t	35 days	431 kg
2021	5,596 t	1,781 t	47 days	400 kg
2022	11,193 t	3,534 t	93 days	403 kg
2023	5,315 t	1,681 t	45 days	444 kg
2024	3,964 t	1,248 t	23 days	638 kg

Technical efficiency: EIV (6.84 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

Port calls

Two kinds of evidence, kept apart: calls Seadar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Oakland USOAK	Sep 30, 2026, 03:23 UTC	in port	—

Detected by Seadar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
Hong Kong HKHKG	Arrival	Jul 6, 2020, 12:50 UTC	SLA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Jan 22, 2020, 03:45 UTC	PT	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Jan 2, 2020, 21:16 UTC	SLA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
PORT OF SOUTH LOUISIANA (LA)	Departure	May 1, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)	Arrival	Apr 28, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
PASCAGOULA HARBOR, MS	Departure	Apr 27, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
PASCAGOULA HARBOR, MS	Arrival	Apr 25, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Apr 22, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Apr 22, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Departure	Apr 20, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Arrival	Apr 19, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Departure	Apr 17, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: December 4, 2010.

Source: Marine Department, HKSAR Government — DATA.GOV.HK. Licence: DATA.GOV.HK Terms and Conditions.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

Frequently asked questions

Where is ALTUM SIDUS now?: ALTUM SIDUS (Chemical tanker, Marshall Islands flag) was last seen on AIS on Oct 1, 2026, 19:46 UTC, at anchor, in the port of Oakland. The crew-entered destination was USSFO (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 19:28 UTC). This report does not confirm the ship’s current route.
What kind of ship is ALTUM SIDUS?: ALTUM SIDUS is a chemical tanker sailing under the flag of Marshall Islands, built in 2010. The vessel is 183 m long with a beam of 32.2 m and has a gross tonnage of 29,124.
Who is recorded as the owner or manager of ALTUM SIDUS?: ATNY MANAMA LLC is recorded as ISM manager for ALTUM SIDUS (source: EU MRV (THETIS-MRV) emissions; reporting year 2024). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Seadar hold for ALTUM SIDUS?: Seadar has no matched sanctions record displayed for ALTUM SIDUS from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for ALTUM SIDUS. Missing records do not establish whether the ship has been detained.

Use this data

This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.

GET /api/v1/vessels/9458822

View JSON API documentationFree without a key for occasional use; use an API key for more.

Follow by RSS Open data

Using this data in code?

Every account gets a personal API allowance: 2,500 credits a month free, 25,000 with Pro. Pro adds internal business use; API plans add building the data into your own products.

See plans