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Spacecraft information: ATLAS CENTAUR R/B
Launch Details
| Launched | 25 May 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 10025 |
| COSPAR ID | 1977-041B |
| Observing |
Current orbital elements
| Inclination | 21.535° |
| Eccentricity | 0.71758 |
| RA ascending node | 18.117 hr |
| Argument perigee | 105.591° |
| Mean anomaly | 351.359° |
| Orbital period | 646.064 min |
| Epoch of osculation | 04 May 2026, 09:13 |
Derived Quantities
| Min Altitude | 620.5 km |
| Mean Altitude | 18384.8 km |
| Peak Altitude | 36149.1 km |
Launched alongside
INTELSAT 4A-F4Orbital History
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