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Russian Space ForcesSoyuz 2.1v Volga43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Kosmos 2581/2582/2583
Launched
February 5, 2025 · 03:59 UTC
Summary
Kosmos 2581/2582/2583 launched on a Russian Space Forces Soyuz 2.1v Volga from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on February 5, 2025 at 03:59 UTC. The launch window ran from 03:59 to 05:00 UTC. It was Russian Space Forces's 145th launch, 1st this year and humanity's 6,875th orbital launch attempt. It was the 9th Soyuz 2.1v Volga flight and the 1st this year. The payload was bound for Polar Orbit (PO). Kosmos-2581, one of 6 catalogued objects, reached a 585 × 602 km orbit inclined 82.0°. 6 objects from this launch are catalogued, 4 of them payloads.
- Watch
- Russian Space Forces Kosmos (Unknown Payload) Soyuz 2-1vThe Space Devs
- Vehicle
- Soyuz 2.1v Volga · Russian Space Forces
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Polar Orbit (PO)
- Milestone
- 9th Soyuz 2.1v Volga flight · 1st this yearRussian Space Forces's 145th launch1st this yearhumanity's 6,875th orbital launch attempt26th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2581 · NORAD 62902 · 2025-026 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-026A
- Epoch
- 2025-02-05 10:15:38 UTC
- Mean motion
- 14.93660237 rev/day
- Eccentricity
- 0.0012203
- Inclination
- 81.993°
- Ascending node
- 220.5776°
- Arg. of perigee
- 282.7267°
- Mean anomaly
- 77.2411°
- Element set
- 999
- Rev at epoch
- 4
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO. Ascent drawn from padside's representative profile.
Catalogued objects
6 catalogued: 4 payloads, 2 rocket stages; 4 still in orbit
- Kosmos-2581 · NORAD 62902 · in orbit
- Kosmos-2582 · NORAD 62903 · in orbit
- Kosmos-2583 · NORAD 62904 · in orbit
- Kosmos-2583 subsatellite · NORAD 63330 · in orbit
Volga 14S46 No. 9? · deorbited February 5, 2025
Soyuz-2-1v (N013) Blok-I · re-entered March 24, 2025
Data from J. McDowell, planet4589.org
About this launch
Unidentified classified satellites for the Russian military.
Pad
43/4 (43R), Plesetsk Cosmodrome, Russian Federation
323rd launch from 43/4 (43R), 1st this year · 1,672nd from Plesetsk Cosmodrome, Russian Federation
Local pad time at liftoff: Feb 5, 6:59 AM GMT+3, in twilight
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
62 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Updates
Questions
When did Kosmos 2581/2582/2583 launch?
Kosmos 2581/2582/2583 launched on February 5, 2025 at 03:59 UTC. The launch window ran from 03:59 to 05:00 UTC.
Where can I watch Kosmos 2581/2582/2583?
Coverage: Russian Space Forces Kosmos (Unknown Payload) Soyuz 2-1v. Watch the replay
What rocket launched Kosmos 2581/2582/2583?
Soyuz 2.1v Volga, flown by Russian Space Forces. Soyuz 2.1v Volga spec sheet
Where did Kosmos 2581/2582/2583 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation. Liftoff was Feb 5, 6:59 AM GMT+3 local time at the pad.
What orbit did Kosmos 2581/2582/2583 reach?
Kosmos-2581, one of 6 catalogued objects, reached a 585 × 602 km orbit inclined 82.0°.
How many satellites did Kosmos 2581/2582/2583 launch?
4 payloads from this launch are catalogued, 4 of them still in orbit (Data from J. McDowell, planet4589.org).