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Spacecraft information: ATLAS CENTAUR R/B
Launch Details
| Launched | 22 May 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12497 |
| COSPAR ID | 1981-050B |
| Observing |
Current orbital elements
| Inclination | 23.932° |
| Eccentricity | 0.32509 |
| RA ascending node | 15.608 hr |
| Argument perigee | 2.814° |
| Mean anomaly | 358.663° |
| Orbital period | 163.613 min |
| Epoch of osculation | 05 May 2026, 07:43 |
Derived Quantities
| Min Altitude | 316.8 km |
| Mean Altitude | 3538.2 km |
| Peak Altitude | 6759.6 km |
Launched alongside
INTELSAT 501Orbital History
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