Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
Spacecraft information: 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 | 0.00967 |
| RA ascending node | 1.750 hr |
| Argument perigee | 182.833° |
| Mean anomaly | 177.230° |
| Orbital period | 103.465 min |
| Epoch of osculation | 10 Mar 2026, 09:29 |
Derived Quantities
| Min Altitude | 859.0 km |
| Mean Altitude | 929.6 km |
| Peak Altitude | 1000.2 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.