ATLAS 2A CENTAUR R/B
| Launched | 22 September 1999 |
| Flight ended | 29 November 1999 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25914 |
| COSPAR ID | 1999-050B |
| Observing |
Launched alongside
ECHOSTAR 5ATLAS 2A CENTAUR R/B
| Launched | 22 September 1999 |
| Flight ended | 29 November 1999 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25914 |
| COSPAR ID | 1999-050B |
| Observing |
Launched alongside
ECHOSTAR 5