SL-4 R/B
| Launched | 5 March 1973 |
| Flight ended | 12 March 1973 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 6379 |
| COSPAR ID | 1973-012B |
| Observing |