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VANGUARD 1
Launch Details
| Launched | 16 March 1958 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 5 |
| COSPAR ID | 1958-002B |
| Observing |
Current orbital elements
| Inclination | 34.244° |
| Eccentricity | 0.18471 |
| RA ascending node | 11.027 hr |
| Argument perihelion | 55.923° |
| Mean anomaly | 320.320° |
| Orbital period | 132.737 min |
| Epoch of osculation | 26 Feb 2021, 13:31 |
Derived Quantities
| Min Altitude | 656.4 km |
| Mean Altitude | 2248.6 km |
| Peak Altitude | 3840.8 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.