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Spacecraft information: NAVSTAR 50
Launch Details
| Launched | 29 January 2001 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 26690 |
| COSPAR ID | 2001-004A |
| Alternative names |
USA 156 GPS BIIR-07 SVN 54 SLOT E4 |
| Observing |
Current orbital elements
| Inclination | 55.143° |
| Eccentricity | 0.00028 |
| RA ascending node | 2.444 hr |
| Argument perigee | 354.760° |
| Mean anomaly | 188.830° |
| Orbital period | 751.613 min |
| Epoch of osculation | 01 Mar 2026, 21:29 |
Derived Quantities
| Min Altitude | 21004.9 km |
| Mean Altitude | 21012.5 km |
| Peak Altitude | 21020.2 km |
Orbital History
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