SL-4 R/B(2)
| Launched | 14 April 1999 |
| Flight ended | 15 April 1999 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 25681 |
| COSPAR ID | 1999-019F |
| Observing |