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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 | 8.859° |
| Eccentricity | 0.00132 |
| RA ascending node | 20.541 hr |
| Argument perigee | 261.566° |
| Mean anomaly | 98.332° |
| Orbital period | 1450.668 min |
| Epoch of osculation | 02 Sep 2025, 22:30 |
Derived Quantities
| Min Altitude | 36022.4 km |
| Mean Altitude | 36078.5 km |
| Peak Altitude | 36134.5 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.
Launched alongside
ATLAS CENTAUR R/B