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Launch data may be out of date. Schedules can change; confirm details with the launch provider before making plans.
OK!Soyuz 2.1b/Fregat | Glonass-K1 No. 18 (Kosmos 2595) & Kosmos 2596
> MISSION DATA
> MISSION BRIEFING // NAVIGATION
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.
> SCHEDULE & SOURCE
Source-reported status: Launch Successful. The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Launch window: 2025-09-13 02:10:00 UTC — 2025-09-13 03:30:00 UTC.
Dates and windows may change. Passing the scheduled time does not confirm a launch outcome.
Launch data from The Space Devs
Understand launch windows and orbits · Launch provider guide