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OPS 5644
Launch Details
| Launched | 4 June 1977 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 10033 |
| COSPAR ID | 1977-044A |
| Alternative names |
DMSP 5D-1 F2 |
| Observing |
Current orbital elements
| Inclination | 99.156° |
| Eccentricity | 0.00370 |
| RA ascending node | 19.155 hr |
| Argument perigee | 306.455° |
| Mean anomaly | 53.322° |
| Orbital period | 100.612 min |
| Epoch of osculation | 15 Sep 2025, 02:02 |
Derived Quantities
| Min Altitude | 768.2 km |
| Mean Altitude | 794.7 km |
| Peak Altitude | 821.2 km |
Orbital History
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