The primary payload of this launch was the latest satellite for the Russian GLONASS radio-based satellite navigation system. the GLONASS-K is an improvement over the older GLONASS-M satellite.

The launch date was Saturday, September 13, 2025 at 2:10 AM (UTC).

Mozhayets-6 (Kosmos 2596)

This launch also included a small secondary payload, an experimental satellite.

All changes are verified for accuracy before being published!
Provider	Russian Military
Vehicle	Soyuz-2
Location	LC-43/3 Plesetsk Cosmodrome Russia
All dates and times should be submitted in UTC timezone. Use Estimated Date if you don't know the official launch date and time; otherwise, use Window Opens/Closes and/or Planned T-0, which will override the Estimated Date.
— Estimated Date —
Date
— Window Opens —
Date
Time
Launch Date	Saturday, September 13, 2025
Launch Time	2:10 AM (UTC)
Launch Time (Pad)
— Planned T-0 —
Date	Saturday, September 13, 2025
Time	2:10 AM (UTC)
— Window Closes —
Date	Saturday, September 13, 2025
Time	2:10 AM (UTC)

Part of a series of launches:

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Navigation Satellite

Series: GLONASS

Contributions By:
gagarin777(1.2K) 💎
iat_launch(2.5K) 💎🌟📜
fcsobral(1.8K) 💎🌟📜

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GLONASS-K1 No. 18L (Kosmos 2595)

Mozhayets-6 (Kosmos 2596)

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