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Spacecraft information: USA 159
Launch Details
| Launched | 5 August 2001 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Active satellites |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 26880 |
| COSPAR ID | 2001-033A |
| Alternative names |
DSP 21 |
| Observing |
Current orbital elements
| Inclination | 12.664° |
| Eccentricity | 0.00014 |
| RA ascending node | 1.157 hr |
| Argument perigee | 199.994° |
| Mean anomaly | 348.234° |
| Orbital period | 1435.947 min |
| Epoch of osculation | 05 Feb 2026, 07:58 |
Derived Quantities
| Min Altitude | 35784.7 km |
| Mean Altitude | 35790.8 km |
| Peak Altitude | 35796.8 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.