Soyuz 2.1b/Fregat | Glonass-K1 No. 18 (Kosmos 2595) & Kosmos 2596
Soyuz 2.1b Fregat launched the Glonass-K1 No. 18 (Kosmos 2595) & Kosmos 2596 mission for Russian Space Forces from Plesetsk Cosmodrome, Russian Federation on Sep 13, 2025 (UTC).
Launch pad
43/3 (43L) · Plesetsk Cosmodrome, Russian Federation
Soyuz 2.1b/Fregat | Glonass-K1 No. 18 (Kosmos 2595) & Kosmos 2596
Launched Sep 13, 2025 11:10:00 AMSuccess
3 objects in orbit now
Flight direction
71° ENE
measured from the launched orbit · inclination 64.6°
Flight path
First-stage drop zone (rough estimate)
Drawn 400–700 km downrange along the flight direction. Official hazard areas are published as NOTAMs and navigational warnings.
About the mission
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.
Mission description from Launch Library 2.
Objects from this launch still in orbit
- Launch time (your time zone)
- Sat, Sep 13 · 11:10:00 AM
- Status
- Success
- Launch provider
- Russian Space Forces
- Rocket
- Soyuz 2.1b Fregat
- Mission type
- Navigation
- Target orbit
- MEO
- Launch pad
- 43/3 (43L) · Plesetsk Cosmodrome, Russian Federation