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EXPLORER 11
Launch Details
| Launched | 26 April 1961 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 107 |
| COSPAR ID | 1961-013A |
| Observing |
Current orbital elements
| Inclination | 28.790° |
| Eccentricity | 0.05032 |
| RA ascending node | 13.794 hr |
| Argument perigee | 269.961° |
| Mean anomaly | 84.333° |
| Orbital period | 101.407 min |
| Epoch of osculation | 27 Aug 2025, 14:30 |
Derived Quantities
| Min Altitude | 470.0 km |
| Mean Altitude | 832.4 km |
| Peak Altitude | 1194.9 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.
Launched alongside
EXPLORER 11 DEB