Bion-M No. 2 biological research satellite carried 75 mice, about 1,000 fruit flies, cell cultures, plant seeds and microorganisms from Baikonur into a high-inclination orbit for a 30-day study of microgravity and cosmic radiation effects.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.5 T
- Flight
- 22nd
- of 25 Soyuz 2.1b flights
- Date and time
- 20 August 2025, 17:13 UTC
- Rocket
- Soyuz 2.1b
- Builder
- Progress RSC
- Launch site
- 31/6, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Biology
- International designator
- 2025-181
- Launches in 2025
- 189th of 329
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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