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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 | 55.094° |
| Eccentricity | 0.02532 |
| RA ascending node | 23.509 hr |
| Argument perigee | 328.291° |
| Mean anomaly | 54.082° |
| Orbital period | 717.975 min |
| Epoch of osculation | 15 Jul 2024, 20:02 |
Derived Quantities
| Min Altitude | 19516.7 km |
| Mean Altitude | 20189.3 km |
| Peak Altitude | 20861.9 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.