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SBIRS GEO-4
Launch Details
| Launched | 20 January 2017 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Active satellites |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 41937 |
| COSPAR ID | 2017-004A |
| Alternative names |
USA 273 |
| Observing |
Current orbital elements
| Inclination | 1.596° |
| Eccentricity | 0.00018 |
| RA ascending node | 1.674 hr |
| Argument perigee | 359.370° |
| Mean anomaly | 321.040° |
| Orbital period | 1439.946 min |
| Epoch of osculation | 07 May 2025, 21:54 |
Derived Quantities
| Min Altitude | 35861.3 km |
| Mean Altitude | 35869.0 km |
| Peak Altitude | 35876.8 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.
Launched alongside
ATLAS 5 CENTAUR R/B