Spacecraft information: INTELSAT 4A-F3
| Launched | 6 January 1978 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | International Telecommunications Satellite Organization (INTELSAT) |
| NORAD ID | 10557 |
| COSPAR ID | 1978-002A |
| Observing |
Current orbital elements
| Inclination | 8.900° |
| Eccentricity | 0.00039 |
| RA ascending node | 20.825 hr |
| Argument perigee | 289.041° |
| Mean anomaly | 71.850° |
| Orbital period | 1441.199 min |
| Epoch of osculation | 06 Aug 2026, 11:29 |
Derived Quantities
| Min Altitude | 35877.1 km |
| Mean Altitude | 35893.5 km |
| Peak Altitude | 35910.0 km |
Launched alongside
ATLAS CENTAUR R/BOrbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.