📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Proton-K
RetiredKhrunichev State Research and Production Space Center
Key figures
Total launches
29
Successes
26
Failures
3
Success rate
89.7 %
Success streak
9
Maiden flight
Nov 16, 1968
Reusable
No
Shortest launch interval ⓘ
18d 13h
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” variant. The Launch Library counts each variant separately — the Proton / UR-500 family totals 430 launches across 15 variants.
Technology
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: 29
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia