Russian Space ForcesAngara 1.235/1, Plesetsk Cosmodrome, Russian Federation

Kosmos 2591-2594

Name: Kosmos 2591-2594 launch
Start: 2025-08-21T09:32:00.000Z
End: 2025-08-21T10:30:00.000Z
Location: 35/1, Plesetsk Cosmodrome, Russian Federation

Launched

August 21, 2025 · 09:32 UTC

Launch Successful

Summary

Kosmos 2591-2594 launched on a Russian Space Forces Angara 1.2 from 35/1, Plesetsk Cosmodrome, Russian Federation on August 21, 2025 at 09:32 UTC. The launch window ran from 08:30 to 10:30 UTC. It was Russian Space Forces's 150th launch, 6th this year and humanity's 7,037th orbital launch attempt. It was the 5th Angara 1.2 flight and the 2nd this year. The payload was bound for Polar Orbit (PO). Kosmos-2591, one of 4 catalogued objects, reached a 295 × 964 km orbit inclined 97.1°. 4 objects from this launch are catalogued, all of them payloads.

Watch: No webcast on record.
Vehicle: Angara 1.2 · Russian Space Forces
Booster: No booster details on record.
Mission: Government/Top Secret · Polar Orbit (PO)
Milestone: 5th Angara 1.2 flight · 2nd this yearRussian Space Forces's 150th launch6th this yearhumanity's 7,037th orbital launch attempt188th orbital launch attempt this year

Flight preview

Orbit: as tracked

97.1°Inclination

295 × 964 kmPerigee × apogeefrom mean elements

97.2 minPeriodfrom mean elements

166.8°Ascending node

420 d agoElement epoch2025-08-21 11:18 UTC · stale

Kosmos-2591 · NORAD 65267 · 2025-182 · Space-Track · tracking 1 of 4 objects

Show the numbers

Object: OBJECT A
Object ID: 2025-182A
Epoch: 2025-08-21 11:18:18 UTC
Mean motion: 14.82203116 rev/day
Eccentricity: 0.04782
Inclination: 97.09°
Ascending node: 166.7566°
Arg. of perigee: 178.5542°
Mean anomaly: 294.2703°
Element set: 999
Rev at epoch: 0
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

4 catalogued: 4 payloads; 4 still in orbit

Kosmos-2591 · NORAD 65267 · in orbit
Kosmos-2592 · NORAD 65268 · in orbit
Kosmos-2593 · NORAD 65269 · in orbit
Kosmos-2594 · NORAD 65270 · in orbit

Data from J. McDowell, planet4589.org

About this launch

4 classified satellites for the Russian military.

Pad

35/1, Plesetsk Cosmodrome, Russian Federation

10th launch from 35/1, 3rd this year · 1,677th from Plesetsk Cosmodrome, Russian Federation

Local pad time at liftoff: Aug 21, 12:32 PM GMT+3, in daylight

12 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation

63 days after the previous launch from this pad

All launches from Plesetsk Cosmodrome, Russian Federation Open in maps

Updates

Launch success.

Cosmic_Penguin · Aug 21, 2025 · source

Show 2 earlier updates

Liftoff.
Cosmic_Penguin · 8/21/2025 · source
Added launch per NOTAMs; Payload identity uncertain.
Cosmic_Penguin · 8/16/2025 · source

Questions

When did Kosmos 2591-2594 launch?

Kosmos 2591-2594 launched on August 21, 2025 at 09:32 UTC. The launch window ran from 08:30 to 10:30 UTC.

Where can I watch Kosmos 2591-2594?

No webcast is on record for this launch.

What rocket launched Kosmos 2591-2594?

Angara 1.2, flown by Russian Space Forces. Angara 1.2 spec sheet

Where did Kosmos 2591-2594 launch from?

35/1, Plesetsk Cosmodrome, Russian Federation. Liftoff was Aug 21, 12:32 PM GMT+3 local time at the pad.

What orbit did Kosmos 2591-2594 reach?

Kosmos-2591, one of 4 catalogued objects, reached a 295 × 964 km orbit inclined 97.1°.

How many satellites did Kosmos 2591-2594 launch?

4 payloads from this launch are catalogued, 4 of them still in orbit (Data from J. McDowell, planet4589.org).