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Spacecraft information: INTELSAT 4A-F3
Launch Details
| 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 | 9.246° |
| Eccentricity | 0.00054 |
| RA ascending node | 20.903 hr |
| Argument perigee | 309.168° |
| Mean anomaly | 125.261° |
| Orbital period | 1441.473 min |
| Epoch of osculation | 02 Feb 2026, 12:28 |
Derived Quantities
| Min Altitude | 35876.0 km |
| Mean Altitude | 35898.9 km |
| Peak Altitude | 35921.8 km |
Launched alongside
ATLAS CENTAUR R/BOrbital History
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