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Spacecraft information: DMSP 5D-2 F8
Launch Details
| Launched | 19 June 1987 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18123 |
| COSPAR ID | 1987-053A |
| Alternative names |
USA 26 |
| Observing |
Current orbital elements
| Inclination | 98.730° |
| Eccentricity | 0.00124 |
| RA ascending node | 14.762 hr |
| Argument perigee | 183.821° |
| Mean anomaly | 176.287° |
| Orbital period | 101.442 min |
| Epoch of osculation | 02 Feb 2026, 12:04 |
Derived Quantities
| Min Altitude | 825.2 km |
| Mean Altitude | 834.1 km |
| Peak Altitude | 843.0 km |
Orbital History
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