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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 | 34.255° |
| Eccentricity | 0.18414 |
| RA ascending node | 16.049 hr |
| Argument perigee | 302.429° |
| Mean anomaly | 41.112° |
| Orbital period | 132.608 min |
| Epoch of osculation | 31 Mar 2025, 11:42 |
Derived Quantities
| Min Altitude | 656.9 km |
| Mean Altitude | 2243.0 km |
| Peak Altitude | 3829.2 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.