Spacecraft information: OSCAR 1
| Launched | 11 December 1961 |
| Flight ended | 30 January 1962 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 214 |
| COSPAR ID | 1961-034B |
| Alternative names |
AO-1 |
| Observing |