Kosmos 11K63
Kosmos familyStrategic Rocket ForcesRetired
The Kosmos rockets were a series of Soviet and subsequently Russian rockets, derived from the R-12 and R-14 missiles.

Specifications
- Thrust
- 636.5 kN
- Height
- 31 m
- Diameter
- 1.6 m
- Launch mass
- 48 t
- Stages
- 2
- LEO capacity
- 300 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
126flightswith a definitive outcome
93.7%success rate118 of 126
8failuresincluding partial failures
14success streakcurrent
First flight October 19, 1965 · latest June 18, 1977
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Kosmos 11K63 flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1965 | 3 | 0 | 3 |
| 1966 | 4 | 0 | 4 |
| 1967 | 12 | 0 | 12 |
| 1968 | 16 | 1 | 17 |
| 1969 | 14 | 1 | 15 |
| 1970 | 18 | 2 | 20 |
| 1971 | 12 | 2 | 14 |
| 1972 | 12 | 1 | 13 |
| 1973 | 10 | 0 | 10 |
| 1974 | 6 | 1 | 7 |
| 1975 | 5 | 0 | 5 |
| 1976 | 4 | 0 | 4 |
| 1977 | 2 | 0 | 2 |