Spacecraft information: SBS 2 R/B
| Launched | 23 September 1981 |
| Flight ended | 11 April 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12874 |
| COSPAR ID | 1981-096B |
| Alternative names |
PAM-D |
| Observing |
Launched alongside
SBS 2