Kosmos 2581/2582/2583

Name: Kosmos 2581/2582/2583
Start: 2025-02-05T03:59:24.000Z
End: 2025-02-05T05:00:00.000Z
Location: 43/4 (43R)

Soyuz 2.1v Volga, Russian Space Forces

43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Launch time

T-0

Wed 5 Feb, 04:59:24 CET

03:59:24 UTC

Second precision Launch successful

The rocket put its payload into the planned orbit.

Window opens: Wed 5 Feb, 04:59 CET
Window closes: Wed 5 Feb, 06:00 CET

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How sure is this date?

The source gives second precision. Launch plans can change.

Launch record updated by LL2 Thu 6 Mar 2025, 07:32 CET

Feed checked 11 Oct, 03:42 CEST

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Mission

Kosmos 2581/2582/2583 on Soyuz 2.1v Volga. Wed 5 Feb 2025, 03:59:24 UTC. Reported outcome: Success. Launch site: 43/4 (43R). Source: Launch Library 2.

Unidentified classified satellites for the Russian military.

Mission type: Government/Top Secret
Orbit: Polar Orbit

Launch timeline

No timeline has been provided by the source.

Slip history

Changes recorded by Space Right Now

No changes since we started tracking on Sat 10 Oct 2026, 11:14 UTC.

Source updates from Launch Library 2 (4)

Announcements supplied by LL2 may predate our tracking. They are separate from changes observed by Space Right Now.

Wed 5 Feb 2025, 14:24 UTCLL2 update
Launch success.
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Wed 5 Feb 2025, 06:45 UTCLL2 update
Liftoff confirmed.
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Wed 5 Feb 2025, 01:08 UTCLL2 update
Updated launch window per NOTAM X0894/25.
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Sat 1 Feb 2025, 04:36 UTCLL2 update
Added launch per NOTAMs and marine navigation warnings; Payload identities uncertain.
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Launch pad

43/4 (43R)

Plesetsk Cosmodrome, Russian Federation (RU)

Coordinates: 62.92883, 40.457098

View launch pad on a map