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GPS 21
Launch Details
| Launched | 30 March 2003 |
| Flight ended | – |
| Status | Operational |
| Categories |
GPS Operational
Active satellites |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 27704 |
| COSPAR ID | 2003-010A |
| Alternative names |
USA 168 NAVSTAR 52 GPS BIIR-09 SVN 45 PRN 21 SLOT D3 |
| Observing |
Current orbital elements
| Inclination | 55.105° |
| Eccentricity | 0.02537 |
| RA ascending node | 23.731 hr |
| Argument perigee | 325.994° |
| Mean anomaly | 247.815° |
| Orbital period | 717.986 min |
| Epoch of osculation | 24 Apr 2024, 08:03 |
Derived Quantities
| Min Altitude | 19515.7 km |
| Mean Altitude | 20189.6 km |
| Peak Altitude | 20863.4 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.