SCOUT X-3 DEB
| Launched | 18 December 1962 |
| Flight ended | 29 November 1980 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 523 |
| COSPAR ID | 1962-071D |
| Alternative names |
YO |
| Observing |