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DMSP 5D-2 F11
Launch Details
| Launched | 27 November 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21798 |
| COSPAR ID | 1991-082A |
| Alternative names |
USA 73 |
| Observing |
Current orbital elements
| Inclination | 98.727° |
| Eccentricity | 0.00131 |
| RA ascending node | 14.653 hr |
| Argument perigee | 172.605° |
| Mean anomaly | 187.532° |
| Orbital period | 101.600 min |
| Epoch of osculation | 08 Jul 2025, 16:55 |
Derived Quantities