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UFO 10
Launch Details
| Launched | 22 November 1999 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Active satellites |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25967 |
| COSPAR ID | 1999-063A |
| Alternative names |
USA 146 |
| Observing |
Current orbital elements
| Inclination | 9.777° |
| Eccentricity | 0.00047 |
| RA ascending node | 1.906 hr |
| Argument perigee | 185.601° |
| Mean anomaly | 171.930° |
| Orbital period | 1436.090 min |
| Epoch of osculation | 15 Sep 2025, 03:38 |
Derived Quantities
| Min Altitude | 35773.6 km |
| Mean Altitude | 35793.6 km |
| Peak Altitude | 35813.6 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.
Launched alongside
ATLAS 2A CENTAUR R/B