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 | 21.303° |
| Eccentricity | 0.71799 |
| RA ascending node | 9.441 hr |
| Argument perigee | 184.493° |
| Mean anomaly | 186.203° |
| Orbital period | 652.374 min |
| Epoch of osculation | 26 Feb 2026, 05:17 |
Derived Quantities
| Min Altitude | 655.7 km |
| Mean Altitude | 18545.7 km |
| Peak Altitude | 36435.8 km |
Launched alongside
INTELSAT 4A-F2Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.