Spacecraft information: DELTA 2 R/B(2)
| Launched | 25 March 1990 |
| Flight ended | 17 January 1994 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20535 |
| COSPAR ID | 1990-025C |
| Alternative names |
PAM-D |
| Observing |