Spacecraft information: DELTA 2 R/B(2)
| Launched | 3 July 1991 |
| Flight ended | 10 September 1995 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21555 |
| COSPAR ID | 1991-047D |
| Alternative names |
PAM-D |
| Observing |