Spacecraft information: ATLAS CENTAUR R/B
| Launched | 14 December 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 13007 |
| COSPAR ID | 1981-119B |
| Observing |
Current orbital elements
| Inclination | 23.536° |
| Eccentricity | 0.25281 |
| RA ascending node | 15.485 hr |
| Argument perigee | 270.281° |
| Mean anomaly | 61.128° |
| Orbital period | 139.504 min |
| Epoch of osculation | 02 Feb 2026, 01:10 |
Derived Quantities
| Min Altitude | 286.6 km |
| Mean Altitude | 2539.1 km |
| Peak Altitude | 4791.7 km |
Launched alongside
INTELSAT 503Orbital History
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