Soyuz 2.1b | Bion-M No. 2
Soyuz 2.1b launched the Bion-M No. 2 mission for Russian Federal Space Agency (ROSCOSMOS) from Baikonur Cosmodrome, Republic of Kazakhstan on Aug 20, 2025 (UTC).
Launch pad
31/6 · Baikonur Cosmodrome, Republic of Kazakhstan
Soyuz 2.1b | Bion-M No. 2
Launched Aug 21, 2025 2:13:10 AMSuccess
Flight direction
90° E
orbit unknown: due east assumed
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
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.
Mission description from Launch Library 2.
- Launch time (your time zone)
- Thu, Aug 21 · 2:13:10 AM
- Status
- Success
- Launch provider
- Russian Federal Space Agency (ROSCOSMOS)
- Rocket
- Soyuz 2.1b
- Mission type
- Biology
- Target orbit
- LEO
- Launch pad
- 31/6 · Baikonur Cosmodrome, Republic of Kazakhstan