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SKYNET 4A R/B
Launch Details
| Launched | 31 December 1989 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20404 |
| COSPAR ID | 1990-001D |
| Alternative names |
PAM-D2 |
| Observing |
Current orbital elements
| Inclination | 21.459° |
| Eccentricity | 0.70557 |
| RA ascending node | 5.765 hr |
| Argument perigee | 138.499° |
| Mean anomaly | 305.212° |
| Orbital period | 566.772 min |
| Epoch of osculation | 22 Apr 2024, 00:42 |
Derived Quantities
| Min Altitude | 308.6 km |
| Mean Altitude | 16315.4 km |
| Peak Altitude | 32322.2 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.