VANGUARD 3 DEB
| Launched | 17 September 1959 |
| Flight ended | 3 February 2015 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 29005 |
| COSPAR ID | 1959-007B |
| Observing |
VANGUARD 3 DEB
| Launched | 17 September 1959 |
| Flight ended | 3 February 2015 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 29005 |
| COSPAR ID | 1959-007B |
| Observing |