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UFO 8
Launch Details
| Launched | 15 March 1998 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25258 |
| COSPAR ID | 1998-016A |
| Alternative names |
USA 138 |
| Observing |
Current orbital elements
| Inclination | 10.681° |
| Eccentricity | 0.00029 |
| RA ascending node | 1.660 hr |
| Argument perigee | 245.321° |
| Mean anomaly | 44.192° |
| Orbital period | 1434.395 min |
| Epoch of osculation | 11 Jun 2025, 21:13 |
Derived Quantities
| Min Altitude | 35748.2 km |
| Mean Altitude | 35760.4 km |
| Peak Altitude | 35772.7 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 2 CENTAUR R/B