Proton-K
Proton / UR-500 familyKhrunichev State Research and Production Space CenterRetired

Specifications
- Thrust
- 8,847 kN
- Height
- 50 m
- Diameter
- 4.15 m
- Launch mass
- 694 t
- Stages
- 3
- LEO capacity
- 19,760 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
29flightswith a definitive outcome
89.7%success rate26 of 29
3failuresincluding partial failures
9success streakcurrent
First flight November 16, 1968 · latest July 12, 2000
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Proton flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1968 | 1 | 0 | 1 |
| 1969 | 0 | 0 | 0 |
| 1970 | 0 | 0 | 0 |
| 1971 | 1 | 0 | 1 |
| 1972 | 0 | 1 | 1 |
| 1973 | 2 | 0 | 2 |
| 1974 | 2 | 0 | 2 |
| 1975 | 0 | 0 | 0 |
| 1976 | 2 | 0 | 2 |
| 1977 | 2 | 1 | 3 |
| 1978 | 1 | 0 | 1 |
| 1979 | 1 | 0 | 1 |
| 1980 | 0 | 0 | 0 |
| 1981 | 1 | 0 | 1 |
| 1982 | 1 | 0 | 1 |
| 1983 | 1 | 0 | 1 |
| 1984 | 0 | 0 | 0 |
| 1985 | 1 | 0 | 1 |
| 1986 | 1 | 1 | 2 |
| 1987 | 2 | 0 | 2 |
| 1988 | 0 | 0 | 0 |
| 1989 | 1 | 0 | 1 |
| 1990 | 1 | 0 | 1 |
| 1991 | 1 | 0 | 1 |
| 1992 | 0 | 0 | 0 |
| 1993 | 0 | 0 | 0 |
| 1994 | 0 | 0 | 0 |
| 1995 | 1 | 0 | 1 |
| 1996 | 1 | 0 | 1 |
| 1997 | 0 | 0 | 0 |
| 1998 | 1 | 0 | 1 |
| 1999 | 0 | 0 | 0 |
| 2000 | 1 | 0 | 1 |