Soyuz 2.1b | Bion-M No. 2
Launch Successful
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Instantaneous launch window.
Launch Window
Aug. 20, 2025, 5:13 p.m. - Aug. 20, 2025, 5:13 p.m.
Instantaneous launch window.
Aug. 20, 2025, 5:13 p.m. - Aug. 20, 2025, 5:13 p.m.
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.
NET August 20.
Setting GO.
NET July 20.
NET July.
NET August 25.
Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage.
Progress Rocket Space Centre, formerly known as TsSKB-Progress, is a space science and aerospace research company which is known for manufacturing launch vehicles and satellites. Most notably, Progress Rocket Space Centre is the manufacturer of Soyuz launch vehicles.
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