📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Proton-K/D-1
RetiredKhrunichev State Research and Production Space Center
The Proton-K was a Russian, previously Soviet, carrier rocket derived from the earlier Proton. It was built by Khrunichev, and launched from sites 81 and 200 at the Baikonur Cosmodrome in Kazakhstan.
Key figures
Total launches
12
Successes
11
Failures
1
Success rate
91.7 %
Success streak
11
Maiden flight
Oct 16, 1975
Reusable
No
Shortest launch interval ⓘ
4d 22h
Planned launches
0
Proton / UR-500 family total
430 launches · 384 successes · 46 failures (15 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Proton-K/D-1” variant. The Launch Library counts each variant separately — the Proton / UR-500 family totals 430 launches across 15 variants.
Technology
Length
57 m
Diameter
4.15 m
Launch mass
707 t
Liftoff thrust
8,847 kN
Stages
4
Engines & propellant
| 1st stage | 6× RD-275M | UDMH / Stickstofftetroxid |
| 2nd stage | 3× RD-0210 + 1× RD-0211 | UDMH / Stickstofftetroxid |
| 3rd stage | RD-0213/0214, Briz-M (optional) | UDMH / Stickstofftetroxid |
Engine and propellant data from curated sources: Wikipedia — Proton
Launches per year
of which in our database: 12
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia