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USA 99
Launch Details
| Launched | 6 February 1994 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Active satellites |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 22988 |
| COSPAR ID | 1994-009A |
| Alternative names |
MILSTAR-1 1 |
| Observing |
Current orbital elements
| Inclination | 17.340° |
| Eccentricity | 0.00037 |
| RA ascending node | 1.982 hr |
| Argument perigee | 258.399° |
| Mean anomaly | 104.667° |
| Orbital period | 1436.083 min |
| Epoch of osculation | 12 Dec 2025, 02:46 |
Derived Quantities
| Min Altitude | 35777.8 km |
| Mean Altitude | 35793.5 km |
| Peak Altitude | 35809.2 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
TITAN 4 CENTAUR R/B