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EXPLORER 20
Launch Details
| Launched | 24 August 1964 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 870 |
| COSPAR ID | 1964-051A |
| Observing |
Current orbital elements
| Inclination | 79.900° |
| Eccentricity | 0.00974 |
| RA ascending node | 3.372 hr |
| Argument perihelion | 330.938° |
| Mean anomaly | 28.637° |
| Orbital period | 103.498 min |
| Epoch of osculation | 30 May 2023, 05:49 |
Derived Quantities
| Min Altitude | 860.0 km |
| Mean Altitude | 931.1 km |
| Peak Altitude | 1002.3 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.