Spacecraft information: DMSP 5D-2 F9
| Launched | 2 February 1988 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18822 |
| COSPAR ID | 1988-006A |
| Alternative names |
USA 29 |
| Observing |
Current orbital elements
| Inclination | 98.337° |
| Eccentricity | 0.00055 |
| RA ascending node | 10.913 hr |
| Argument perigee | 231.059° |
| Mean anomaly | 129.011° |
| Orbital period | 100.790 min |
| Epoch of osculation | 20 Dec 2025, 11:00 |
Derived Quantities
| Min Altitude | 799.2 km |
| Mean Altitude | 803.2 km |
| Peak Altitude | 807.1 km |
Orbital History
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