THOR ALTAIR DEB
| Launched | 9 September 1965 |
| Flight ended | 24 February 1967 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 1581 |
| COSPAR ID | 1965-072B |
| Alternative names |
YO |
| Observing |