Glonass-K 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. August 24, 2026 at 02:40 UTC · Launch Successful Soyuz 2.1b Fregat — Russian Space Forces, to Medium Earth Orbit 43/3 (43L), Plesetsk Cosmodrome, Russian Federation The world's 7374th orbital launch attempt, and 201st of 2026. Data: Launch Library 2, The Space Devs. Image by Roscosmos (Roscosmos Image Use Policy) via The Space Devs.