Soyuz 2.1b
Soyuz family
· built by Progress Rocket Space Center
· maiden flight 2008-07-26
Profile data last updated: 2026-08-15T20:08:04.839063+00:00 | 7531-09-01
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
46.3 mLength
2.95 mDiameter
312 tLaunch mass
2–3Stages
Payload Capacity
8200 kgTo LEO
3250 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.
24Total launches
24Successful
0Failed
0Upcoming
Launches Tracked on This Site
24In our archive
100.0%Success rate
Jul 26, 2008 18:31 UTCEarliest tracked
Jul 19, 2026 17:51 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Soyuz 2.1b | 16 x Rassvet-3 | Jul 19, 2026 17:51 UTC | Success |
| Soyuz 2.1b | 16 x Rassvet-3 | Mar 23, 2026 17:24 UTC | Success |
| Soyuz 2.1b | Bion-M No. 2 | Aug 20, 2025 17:13 UTC | Success |
| Soyuz 2.1b | Resurs-P No.5 | Dec 25, 2024 07:45 UTC | Success |
| Soyuz 2.1b | Kosmos 2580 (Lotos-S1 #9) | Dec 04, 2024 18:03 UTC | Success |
| Soyuz 2.1b | Resurs-P No.4 | Mar 31, 2024 09:36 UTC | Success |
| Soyuz 2.1b | Kosmos 2573 (Bars-M No. 5?) | Dec 21, 2023 08:48 UTC | Success |
| Soyuz 2.1b | Kosmos 2572 (Razdan No. 1?) | Nov 25, 2023 20:58 UTC | Success |
| Soyuz 2.1b | Kosmos 2570 (Lotos-S1 #8) | Oct 27, 2023 06:04 UTC | Success |
| Soyuz 2.1b | Kosmos 2565 (Lotos-S1 #7) | Nov 30, 2022 21:10 UTC | Success |
| Soyuz 2.1b | Kosmos 2554 (Lotos-S1 #6) | Apr 07, 2022 11:20 UTC | Success |
| Soyuz 2.1b | Uzlovoy Module (UM) "Prichal" | Nov 24, 2021 13:06 UTC | Success |
| Soyuz 2.1b/Fregat-M | OneWeb 11 | Oct 14, 2021 09:40 UTC | Success |
| Soyuz 2.1b | Pion-NKS No. 1 (Kosmos 2550) | Jun 25, 2021 19:50 UTC | Success |
| Soyuz 2.1b | Lotos-S1 | Feb 02, 2021 20:45 UTC | Success |