An improved Sputnik rocket flown twice in 1958. The first launch fails; the second places Sputnik 3, a large geophysical laboratory, in orbit in May 1958.
- Launches
- 2
- Success rate
- 50%
- 1 failure
- Builder
- RKK Energia
- Height
- 29.2 m
- Diameter
- 3 m
- Stages
- 1
- Boosters
- 4 × 8K74
- Propellants
- Kerosene / LOX
- Payload to LEO
- 1,327 kg
Launches per year
Sputnik 8A91
Other Sputnik rockets
Show as table
| Year | Launches | Sputnik 8A91 |
|---|---|---|
| 1957 | 2 | 0 |
| 1958 | 2 | 2 |
| 1963 | 1 | 0 |
| 1964 | 1 | 0 |
Sputnik rockets
| Rocket | Flown | Launches | Success rate | Height | Payload to LEO |
|---|---|---|---|---|---|
| Sputnik 8K71PS | 1957 | 2 | 100% | 29.2 m | 1,327 kg |
| Sputnik 8A91 | 1958 | 2 | 50% | 29.2 m | 1,327 kg |
| Sputnik 11A59 | 1963 to 1964 | 2 | 100% | 34.5 m | 1,400 kg |