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VANGUARD 3
Launch Details
| Launched | 17 September 1959 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20 |
| COSPAR ID | 1959-007A |
| Observing |
Current orbital elements
| Inclination | 33.350° |
| Eccentricity | 0.16425 |
| RA ascending node | 6.643 hr |
| Argument perigee | 318.383° |
| Mean anomaly | 30.251° |
| Orbital period | 124.061 min |
| Epoch of osculation | 28 Jun 2025, 10:16 |
Derived Quantities
| Min Altitude | 515.4 km |
| Mean Altitude | 1868.8 km |
| Peak Altitude | 3222.2 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.