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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 | 55.115° |
| Eccentricity | 0.02493 |
| RA ascending node | 0.297 hr |
| Argument perigee | 319.262° |
| Mean anomaly | 29.229° |
| Orbital period | 717.933 min |
| Epoch of osculation | 27 Sep 2023, 02:46 |
Derived Quantities
| Min Altitude | 19526.0 km |
| Mean Altitude | 20188.3 km |
| Peak Altitude | 20850.5 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.