Soyuz 2.1b

Active

Progress Rocket Space Center (PRSC)

July 26, 2008

Description

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.

Specifications
  • Minimum Stage
    2
  • Max Stage
    3
  • Length
    46.3 m
  • Diameter
    2.95 m
  • Fairing Diameter
  • Launch Mass
    312.0 T
  • Thrust
Family
  • Name
    Soyuz 2.1b
  • Family
  • Variant
  • Alias
  • Full Name
    Soyuz 2.1b
Payload Capacity
  • Launch Cost
    $80000000
  • Low Earth Orbit
    8200.0 kg
  • Geostationary Transfer Orbit
    3250.0 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity
    4900.0 kg

Progress Rocket Space Center

Commercial
CEO: Dmitry Baranov
PRSC 1996

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.

Upcoming Spaceflights


Soyuz 2.1b | 16 x Rassvet-3

Progress Rocket Space Center | Russia
Plesetsk Cosmodrome, Russian Federation
TBD June, 2026
Status: To Be Determined
Mission:

Note: Payload identities uncertain. Batch of 16 Rassvet-3 Low Earth Orbit communication satellites for the Russian Byuro-1440 (Bureau 1440) constellation for broadband high-speed internet access in Russia.

Polar Orbit
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Soyuz 2.1b | 16 x Rassvet-3

Progress Rocket Space Center | Russia
Plesetsk Cosmodrome, Russian Federation
March 23, 2026, 5:24 p.m.
Status: Launch Successful
Mission:

Batch of 16 Rassvet-3 Low Earth Orbit communication satellites for the Russian Byuro-1440 (Bureau 1440) constellation for broadband high-speed internet access in Russia.

Polar Orbit
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Soyuz 2.1b | Bion-M No. 2

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Aug. 20, 2025, 5:13 p.m.
Status: Launch Successful
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.

Low Earth Orbit
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Long March 2D
Success
3 days, 14 hours ago
4 x SatNet test satellites
Launch Complex 3 (LC-3/LA-1) - Xichang Satellite Launch Center, People's Republic of China

Officially described as "Satellite-Internet Technology Demonstration Satellites". Probably 4 test satellites for the Chinese state-owned LEO commu…


Falcon 9
Success
3 days, 17 hours ago
Starlink Group 17-41
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Atlas V 551
Success
4 days, 8 hours ago
Amazon Leo (LA-07)
Space Launch Complex 41 - Cape Canaveral SFS, FL, USA

Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, thi…


Falcon 9
Success
4 days, 19 hours ago
Starlink Group 10-53
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Long March 7A
Success
1 week ago
TJSW-24
201 - Wenchang Space Launch Site, People's Republic of China

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.