VANGUARD 3 DEB
| Launched | 17 September 1959 |
| Flight ended | 2 April 2014 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 31405 |
| COSPAR ID | 1959-007C |
| Observing |
VANGUARD 3 DEB
| Launched | 17 September 1959 |
| Flight ended | 2 April 2014 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 31405 |
| COSPAR ID | 1959-007C |
| Observing |