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Spacecraft information: ATLAS CENTAUR R/B
Launch Details
| Launched | 20 February 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12363 |
| COSPAR ID | 1981-018B |
| Observing |
Current orbital elements
| Inclination | 20.843° |
| Eccentricity | 0.71793 |
| RA ascending node | 0.418 hr |
| Argument perigee | 13.303° |
| Mean anomaly | 358.294° |
| Orbital period | 648.277 min |
| Epoch of osculation | 15 Mar 2026, 02:34 |
Derived Quantities
| Min Altitude | 627.8 km |
| Mean Altitude | 18441.3 km |
| Peak Altitude | 36254.9 km |
Launched alongside
ESIAFI 1Orbital History
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