TITAN 4 R/B
| Launched | 7 March 1991 |
| Flight ended | 8 January 1999 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21148 |
| COSPAR ID | 1991-017B |
| Observing |
TITAN 4 R/B
| Launched | 7 March 1991 |
| Flight ended | 8 January 1999 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21148 |
| COSPAR ID | 1991-017B |
| Observing |