Spacecraft information: ATLAS CENTAUR R/B
| Launched | 28 January 1976 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 8621 |
| COSPAR ID | 1976-010B |
| Observing |
Current orbital elements
| Inclination | 21.120° |
| Eccentricity | 0.71970 |
| RA ascending node | 10.889 hr |
| Argument perigee | 145.747° |
| Mean anomaly | 298.701° |
| Orbital period | 652.387 min |
| Epoch of osculation | 25 Dec 2025, 09:20 |
Derived Quantities
| Min Altitude | 613.2 km |
| Mean Altitude | 18546.1 km |
| Peak Altitude | 36479.0 km |
Launched alongside
INTELSAT 4A-F2Orbital History
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