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Spacecraft information: INTELSAT 501
Launch Details
| Launched | 22 May 1981 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | International Telecommunications Satellite Organization (INTELSAT) |
| NORAD ID | 12474 |
| COSPAR ID | 1981-050A |
| Observing |
Current orbital elements
| Inclination | 11.172° |
| Eccentricity | 0.00077 |
| RA ascending node | 21.701 hr |
| Argument perigee | 306.137° |
| Mean anomaly | 252.268° |
| Orbital period | 1456.735 min |
| Epoch of osculation | 01 Feb 2026, 23:54 |
Derived Quantities
| Min Altitude | 36163.9 km |
| Mean Altitude | 36196.7 km |
| Peak Altitude | 36229.5 km |
Launched alongside
ATLAS CENTAUR R/BOrbital History
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