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 | Progress MS-34 (95P)

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
April 25, 2026
Status: To Be Confirmed
Mission:

Progress resupply mission to the International Space Station.

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

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
June 17, 2026
Status: To Be Confirmed
Mission:

Progress resupply mission to the International Space Station.

Low Earth Orbit
Explore Share

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-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
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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
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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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Soyuz 2.1a | Soyuz MS-27

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
April 8, 2025, 5:47 a.m.
Status: Launch Successful
Mission:

Soyuz MS-27 will carry two 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 Sergey Ryzhikov, Alexey Zubritsky, and NASA astronaut Jonathan "Jonny" Kim.

Low Earth Orbit
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Falcon 9
Go
1 day, 12 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
1 day, 23 hours 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 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, 13 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, 9 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.