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NAVSTAR 20
Launch Details
| Launched | 1 August 1990 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20724 |
| COSPAR ID | 1990-068A |
| Alternative names |
USA 63 GPS BII-08 SVN 21 |
| Observing |
Current orbital elements
| Inclination | 53.751° |
| Eccentricity | 0.00398 |
| RA ascending node | 9.482 hr |
| Argument perihelion | 299.410° |
| Mean anomaly | 59.356° |
| Orbital period | 769.293 min |
| Epoch of osculation | 03 Mar 2021, 03:55 |
Derived Quantities
| Min Altitude | 21329.7 km |
| Mean Altitude | 21440.3 km |
| Peak Altitude | 21550.9 km |
Orbital History
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