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NAVSTAR 21
Launch Details
Launched | 30 September 1990 |
Flight ended | – |
Status | Non-operational |
Launch site | Air Force Eastern Test Range, Florida, USA |
Owner | United States |
NORAD ID | 20830 |
COSPAR ID | 1990-088A |
Alternative names |
USA 64 GPS BII-09 SVN 15 |
Observing |
Current orbital elements
Inclination | 56.325° |
Eccentricity | 0.00215 |
RA ascending node | 1.458 hr |
Argument perigee | 285.179° |
Mean anomaly | 298.588° |
Orbital period | 766.966 min |
Epoch of osculation | 28 Jun 2025, 14:16 |
Derived Quantities
Min Altitude | 21324.6 km |
Mean Altitude | 21384.2 km |
Peak Altitude | 21443.8 km |
Orbital History
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