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OPS 4311
Launch Details
| Launched | 13 October 1971 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5557 |
| COSPAR ID | 1971-087A |
| Alternative names |
DMSP 5B F1 |
| Observing |
Current orbital elements
| Inclination | 99.060° |
| Eccentricity | 0.00507 |
| RA ascending node | 16.258 hr |
| Argument perigee | 195.995° |
| Mean anomaly | 163.963° |
| Orbital period | 100.853 min |
| Epoch of osculation | 25 Jun 2024, 03:30 |
Derived Quantities
| Min Altitude | 769.7 km |
| Mean Altitude | 806.2 km |
| Peak Altitude | 842.6 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.
Launched alongside
THOR BURNER 2 R/B