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Soyuz 2.1b | Bion-M No. 2

Soyuz 2.1b | Bion-M No. 2

Status: Success  |  Launched: Aug 20, 2025 17:13 UTC

Launch Provider & Rocket

Mission

Bion-M is the next generation of Russian biological research satellites. While retaining the Vostok/Zenit-derived reentry module of the earlier Bion, the propulsion module has been replace by a Yantar type module, which provides maneuvering capabilities and longer mission support. The mission duration has been increased to up to 6 months by using solar cells for energy generation. The weight of scientific equipment has been increased by 100 kilograms.

  • Type: Biology
  • Orbit: Low Earth Orbit (LEO)

Launch Site

  • Pad: 31/6
  • Location: Baikonur Cosmodrome, Republic of Kazakhstan
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Launch data sourced automatically from the Launch Library 2 API. Last refreshed: 2026-08-22T21:02:10.804714+00:00.