📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Soyuz 2.1b
ActiveProgress Rocket Space Center
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.
Key figures
Total launches
23
Successes
23
Failures
0
Success rate
100.0 %
Success streak
23
Maiden flight
Jul 26, 2008
Launch cost
$80 Mio.
Reusable
No
Shortest launch interval ⓘ
1d 15h
Planned launches
1
Soyuz, Soyuz 2 family total
206 launches · 199 successes · 7 failures (13 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Soyuz 2.1b” variant. The Launch Library counts each variant separately — the Soyuz, Soyuz 2 family totals 206 launches across 13 variants.
Technology
Length
46.3 m
Diameter
2.95 m
Launch mass
312 t
Stages
2–3
LEO (low Earth orbit)
8,200 kg
GTO (geo transfer)
3,250 kg
SSO (sun-synchronous)
4,900 kg
Engines & propellant
| Boosters | 4× RD-107A | Kerosin / Flüssigsauerstoff |
| 1st stage | 1× RD-108A (Zentralblock) | Kerosin / Flüssigsauerstoff |
| 2nd stage | RD-0110 / RD-0124 | Kerosin / Flüssigsauerstoff |
| Kick stage | Fregat (optional) | UDMH / Stickstofftetroxid |
Engine and propellant data from curated sources: Wikipedia — Sojus (Rakete)
Launches per year
of which in our database: 26
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia