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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 | 8.427° |
| Eccentricity | 0.00117 |
| RA ascending node | 20.448 hr |
| Argument perigee | 282.671° |
| Mean anomaly | 77.101° |
| Orbital period | 1450.695 min |
| Epoch of osculation | 26 Mar 2026, 10:34 |
Derived Quantities
| Min Altitude | 36029.3 km |
| Mean Altitude | 36079.0 km |
| Peak Altitude | 36128.6 km |
Launched alongside
ATLAS CENTAUR R/BOrbital History
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