Soyuz 2.1a
Soyuz family
· built by Progress Rocket Space Center
· maiden flight 2004-11-04
Profile data last updated: 2026-08-15T20:08:04.839063+00:00 | 7531-09-01
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
46.3 mLength
2.95 mDiameter
312 tLaunch mass
2–3Stages
4149 kNLiftoff thrust
Payload Capacity
7020 kgTo LEO
2810 kgTo GTO
Lifetime Launch Record
As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.
58Total launches
57Successful
1Failed
1Upcoming
Launches Tracked on This Site
58In our archive
98.3%Success rate
Nov 08, 2004 17:29 UTCEarliest tracked
Jul 14, 2026 14:47 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Soyuz 2.1a | Soyuz MS-29 | Jul 14, 2026 14:47 UTC | Success |
| Soyuz 2.1a | Progress MS-34 (95P) | Apr 25, 2026 22:21 UTC | Success |
| Soyuz 2.1a | Progress MS-33 (94P) | Mar 22, 2026 11:59 UTC | Success |
| Soyuz 2.1a | Obzor-R No.1 | Dec 25, 2025 14:11 UTC | Success |
| Soyuz 2.1a | Soyuz MS-28 | Nov 27, 2025 09:27 UTC | Success |
| Soyuz 2.1a | Progress MS-32 (93P) | Sep 11, 2025 15:54 UTC | Success |
| Soyuz 2.1a | Progress MS-31 (92P) | Jul 03, 2025 19:32 UTC | Success |
| Soyuz 2.1a | Soyuz MS-27 | Apr 08, 2025 05:47 UTC | Success |
| Soyuz 2.1a | Progress MS-30 (91P) | Feb 27, 2025 21:24 UTC | Success |
| Soyuz 2.1a | Progress MS-29 (90P) | Nov 21, 2024 12:22 UTC | Success |
| Soyuz 2.1a | Kosmos 2579 (Bars-M No. 6) | Oct 31, 2024 07:51 UTC | Success |
| Soyuz 2.1a | Soyuz MS-26 | Sep 11, 2024 16:23 UTC | Success |
| Soyuz 2.1a | Progress MS-28 (89P) | Aug 15, 2024 03:20 UTC | Success |
| Soyuz 2.1a | Progress MS-27 (88P) | May 30, 2024 09:42 UTC | Success |
| Soyuz 2.1a | Soyuz MS-25 | Mar 23, 2024 12:36 UTC | Success |