Soyuz 2.1a

Active

Progress Rocket Space Center (PRSC)

Nov. 4, 2004

Description

The Soyuz 2.1A converted the flight control system from analog to digital, which allowed launch from fixed platforms. It also allowed big fairings and payloads. It is currently used for crewed Soyuz and Progress flights to the ISS.

Specifications
  • Minimum Stage
    2
  • Max Stage
    3
  • Length
    46.3 m
  • Diameter
    2.95 m
  • Fairing Diameter
  • Launch Mass
    312.0 T
  • Thrust
    4149.0 kN
Family
  • Name
    Soyuz 2.1a
  • Family
  • Variant
  • Alias
  • Full Name
    Soyuz 2.1a
Payload Capacity
  • Launch Cost
    $80000000
  • Low Earth Orbit
    7020.0 kg
  • Geostationary Transfer Orbit
    2810.0 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity
    4230.0 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 2.1a | Soyuz MS-29

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
July 14, 2026
Status: To Be Confirmed
Mission:

Soyuz MS-29 will carry three cosmonauts and one astronaut to the International Space Station aboard the Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan. The crew consists of Roscosmos cosmonauts Pyotr Dubrov and Anna Kikina, as well as NASA astronaut Anil Menon.

Low Earth Orbit
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Soyuz 2.1a | Progress MS-35 (96P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
September 09, 2026
Status: To Be Confirmed
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
Explore Share

Soyuz 2.1a | Progress MS-36 (97P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
November 24, 2026
Status: To Be Confirmed
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
Explore Share

Soyuz 2.1a | Progress MS-34 (95P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
April 25, 2026, 10:21 p.m.
Status: Launch Successful
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
Explore Share

Soyuz 2.1a | Progress MS-33 (94P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
March 22, 2026, 11:59 a.m.
Status: Launch Successful
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
Explore Share

Soyuz 2.1a | Obzor-R No.1

Progress Rocket Space Center | Russia
Plesetsk Cosmodrome, Russian Federation
Dec. 25, 2025, 2:11 p.m.
Status: Launch Successful
Mission:

The Russian Obzor-R satellite is a planned X-band radar earth observation satellite designed by TsSKB-Progress. In 2012, the development of the Arkon-2M radar satellite was stopped and instead the development of the Obzor-R was initiated. The satellite features the BRLK X-band Synthetic Aperture Radar as the imaging instrument with a ground resolution of 500 m.

Sun-Synchronous Orbit
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Soyuz 2.1a | Soyuz MS-28

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Nov. 27, 2025, 9:27 a.m.
Status: Launch Successful
Mission:

Soyuz MS-28 will carry three cosmonauts and one astronaut to the International Space Station aboard the Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan. The crew consists of Roscosmos cosmonauts Sergei Kud-Sverchkov, Sergei Mikayev and Oleg Platonov.

Low Earth Orbit
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Soyuz 2.1a | Progress MS-32 (93P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Sept. 11, 2025, 3:54 p.m.
Status: Launch Successful
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
Explore Share

Soyuz 2.1a | Progress MS-31 (92P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
July 3, 2025, 7:32 p.m.
Status: Launch Successful
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
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Long March 2D
Success
3 days, 15 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, 18 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, 9 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, 20 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.