COSMOS 402 DEB
| Launched | 31 March 1971 |
| Flight ended | 5 April 1971 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5109 |
| COSPAR ID | 1971-025C |
| Observing |