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Soyuz 2.1b/Fregat | Glonass-K1 No. 18 (Kosmos 2595) & Kosmos 2596

Russian Space Forces · Soyuz 2.1b Fregat · 43/3 (43L), Plesetsk Cosmodrome, Russian Federation

Russian Space Forces's 151st launch · 7th this year · humanity's 7,061st orbital launch attempt

T− --:--:--September 13, 2025 · 02:10 UTCAdd to calendar
Success

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

Window: Sep 13, 02:10 – Sep 13, 03:30 UTC

Flight preview

Glonass-K1 No. 18 (Kosmos 2595) & Kosmos 2596

Glonass-K1 are the third generation of satellite design for GLONASS satellite navigation system. GLONASS is a Russian space-based navigation system comparable to the similar GPS and Galileo systems. This generation improves on accuracy, power consumption and design life. Each satellite is unpressurized and weighs 935 kg, and has an operational lifetime of 10 years. This launch also carries Mozhayets-6 (Kosmos 2596), a small experimental satellite built by the Mozhaiskiy Military Space Academy of St. Petersburg.

Navigation · Medium Earth Orbit (MEO)

Booster

No booster details available.

Watch

No webcast announced yet.

Updates

  • Launch success.

    Cosmic_Penguin · 9/13/2025 · source

  • Tweaked T-0.

    Cosmic_Penguin · 9/12/2025 · source

  • NET September 13.

    Cosmic_Penguin · 9/5/2025 · source

  • Added launch.

    Cosmic_Penguin · 12/14/2023 · source

Pad — 43/3 (43L)

Local pad time: Sep 13, 5:10 AM GMT+3

232 launches from this pad · 1,685 from Plesetsk Cosmodrome, Russian Federation

Map of 43/3 (43L)Open in maps