UOSAT 1
| Launched | 5 October 1981 |
| Flight ended | 12 October 1989 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United Kingdom |
| NORAD ID | 12888 |
| COSPAR ID | 1981-100B |
| Alternative names |
UO-9 |
| Observing |