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Spacecraft information: DMSP 5D-3 F15
Launch Details
| Launched | 11 December 1999 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 25991 |
| COSPAR ID | 1999-067A |
| Alternative names |
USA 147 |
| Observing |
Current orbital elements
| Inclination | 99.009° |
| Eccentricity | 0.00089 |
| RA ascending node | 7.461 hr |
| Argument perigee | 268.825° |
| Mean anomaly | 259.149° |
| Orbital period | 101.586 min |
| Epoch of osculation | 15 Mar 2026, 13:55 |
Derived Quantities
| Min Altitude | 834.4 km |
| Mean Altitude | 840.9 km |
| Peak Altitude | 847.3 km |
Orbital History
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