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Russian Federal Space Agency (ROSCOSMOS) · Soyuz 2.1b

Bion-M No. 2

SUCCESSBiologyLEO
Wednesday, August 20, 2025 at 05:13 PM UTC
Baikonur Cosmodrome, Republic of Kazakhstan
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Mission Overview

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.

Payloads
1
Type
Biology
Vehicle
Soyuz 2.1b
Window
05:13 PM UTC – 05:13 PM UTC

Rocket

RU
Soyuz 2.1b
Russian Federal Space Agency (ROSCOSMOS)

Launch Site

Baikonur Cosmodrome, Republic of Kazakhstan

Orbit

LEO·Low Earth Orbit

Launch Window

Opens05:13 PM UTC
Closes05:13 PM UTC

Launch Site Weather

-7°CClear
Wind42 km/h W
Humidity61%
Visibility10 km

Track

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