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.

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:

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
Explore Share

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
Explore Share

Falcon 9
Go
1 day, 14 hours ago
Starlink Group 17-35
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Go
2 days, 1 hour ago
Starlink Group 10-58
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.


Soyuz-5
TBC
2 days, 2 hours ago
Demo Flight
45/1 - Baikonur Cosmodrome, Republic of Kazakhstan

Demonstration Flight for Russia's new Soyuz-5 launch vehicle, with a mass simulator on board. Details TBD.


Space Launch System (SLS)
Go
2 days, 15 hours ago
Artemis II
Launch Complex 39B - Kennedy Space Center, FL, USA

Artemis II is the first crewed mission as part of the Artemis program. Artemis II will send a crew of 4 - 3 Americans and 1 Canadian around the moon …


Soyuz 2.1a/Fregat-M
Go
3 days, 11 hours ago
Meridian-M No.21L
43/3 (43L) - Plesetsk Cosmodrome, Russian Federation

Note: Payload identity uncertain. Meridian is a series of communications satellite for military and civilian use.