SPUTNIK 20
| Launched | 31 August 1962 |
| Flight ended | 5 September 1962 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 381 |
| COSPAR ID | 1962-043A |
| Observing |
Timeline
| 1962 Sep 1 | – | Launch from Site 1/5 at the Baikonur Cosmodrome |
| 1962 Sep 1 | – | Spacecraft reached low-Earth orbit |
| 1962 Sep 1 | – | Launch failure due to engine failure |
| 1962 Sep 6 | – | Spacecraft burnt up upon reentry to Earth's atmosphere |