SL-4 R/B
| Launched | 31 January 1973 |
| Flight ended | 8 February 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 | 6354 |
| COSPAR ID | 1973-006B |
| Observing |