Soyuz STB Fregat-MT
Soyuz family
· built by Progress Rocket Space Center
· maiden flight 2012-10-12
Profile data last updated: 2026-08-15T20:08:04.839063+00:00 | 7531-09-01
The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage. First launch took place from Plesetsk Cosmodrome Site 43 on 26 July 2008 with a classified military payload. The 2.1b/ST version is sometimes called Soyuz ST-B.
Specifications
46.3 mLength
2.95 mDiameter
310 tLaunch mass
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.
5Total launches
5Successful
0Failed
0Upcoming
Launches Tracked on This Site
5In our archive
100.0%Success rate
Oct 12, 2012 18:15 UTCEarliest tracked
Nov 07, 2018 00:47 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Soyuz STB/Fregat-MT | MetOp-C | Nov 07, 2018 00:47 UTC | Success |
| Soyuz STB/Fregat-MT | Hispasat 36W-1 (Hispasat AG1) | Jan 28, 2017 01:03 UTC | Success |
| Soyuz STB/Fregat-MT | Gaia | Dec 19, 2013 09:12 UTC | Success |
| Soyuz STB/Fregat-MT | O3b FM1, FM2, FM4, FM5 | Jun 25, 2013 19:27 UTC | Success |
| Soyuz STB/Fregat-MT | Galileo L2 (IOV FM03-FM04) | Oct 12, 2012 18:15 UTC | Success |