Russian Space ForcesSoyuz 2.1b Fregat-M43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Soyuz 2.1b/Fregat-M | Kosmos 2588

Name: Soyuz 2.1b/Fregat-M | Kosmos 2588
Start: 2025-05-23T08:36:00.000Z
Location: 43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Countdown

May 23, 2025 · 08:36 UTCAdd to calendar

Launch Successful

Image: Roscosmos

Russian Space Forces's 148th launch · 4th this year · humanity's 6,962nd orbital launch attempt

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

Window: May 23, 07:00 – May 23, 09:00 UTC

Flight preview

Unknown classified payload for the Russian military.

Government/Top Secret · Low Earth Orbit (LEO)

No booster details available.

No webcast announced yet.

Launch success & payload in contact.
Cosmic_Penguin · 5/23/2025 · source
Liftoff.
Cosmic_Penguin · 5/23/2025 · source
Added launch; Payload and launch vehicle variant uncertain.
Cosmic_Penguin · 5/16/2025 · source

Local pad time: May 23, 11:36 AM GMT+3

329 launches from this pad · 1,687 from Plesetsk Cosmodrome, Russian Federation