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Spacecraft information: INTELSAT 4-F1
Launch Details
| Launched | 21 May 1975 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | International Telecommunications Satellite Organization (INTELSAT) |
| NORAD ID | 7815 |
| COSPAR ID | 1975-042A |
| Observing |
Current orbital elements
| Inclination | 8.538° |
| Eccentricity | 0.00128 |
| RA ascending node | 20.471 hr |
| Argument perigee | 282.845° |
| Mean anomaly | 77.132° |
| Orbital period | 1450.670 min |
| Epoch of osculation | 01 Feb 2026, 01:10 |
Derived Quantities
| Min Altitude | 36024.2 km |
| Mean Altitude | 36078.5 km |
| Peak Altitude | 36132.8 km |
Launched alongside
ATLAS CENTAUR R/BOrbital History
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