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ESIAFI 1
Launch Details
Launched | 20 February 1981 |
Flight ended | – |
Status | Non-operational |
Launch site | Air Force Eastern Test Range, Florida, USA |
Owner | United States |
NORAD ID | 12309 |
COSPAR ID | 1981-018A |
Alternative names |
COMSTAR 4 |
Observing |
Current orbital elements
Inclination | 10.280° |
Eccentricity | 0.00042 |
RA ascending node | 21.133 hr |
Argument perigee | 84.824° |
Mean anomaly | 275.156° |
Orbital period | 1436.186 min |
Epoch of osculation | 23 Mar 2024, 04:22 |
Derived Quantities
Min Altitude | 35777.6 km |
Mean Altitude | 35795.5 km |
Peak Altitude | 35813.4 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
ATLAS CENTAUR R/B