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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 | 20.860° |
| Eccentricity | 0.71748 |
| RA ascending node | 22.156 hr |
| Argument perigee | 74.758° |
| Mean anomaly | 348.965° |
| Orbital period | 648.267 min |
| Epoch of osculation | 22 Jun 2026, 03:17 |
Derived Quantities
| Min Altitude | 639.0 km |
| Mean Altitude | 18441.1 km |
| Peak Altitude | 36243.1 km |
Launched alongside
ESIAFI 1Orbital History
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