Spacecraft information: OPS 6391
| Launched | 8 February 1978 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 10669 |
| COSPAR ID | 1978-016A |
| Alternative names |
FLTSATCOM 1 |
| Observing |
Current orbital elements
| Inclination | 7.505° |
| Eccentricity | 0.00092 |
| RA ascending node | 19.531 hr |
| Argument perigee | 280.128° |
| Mean anomaly | 316.192° |
| Orbital period | 1454.459 min |
| Epoch of osculation | 05 Jan 2026, 19:03 |
Derived Quantities
| Min Altitude | 36113.3 km |
| Mean Altitude | 36152.4 km |
| Peak Altitude | 36191.5 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.