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Spacecraft information: OPS 0054
Launch Details
| Launched | 10 February 1970 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 4331 |
| COSPAR ID | 1970-012A |
| Alternative names |
DMSP 5A F1 |
| Observing |
Current orbital elements
| Inclination | 98.993° |
| Eccentricity | 0.00580 |
| RA ascending node | 10.696 hr |
| Argument perigee | 132.093° |
| Mean anomaly | 228.521° |
| Orbital period | 100.382 min |
| Epoch of osculation | 20 Dec 2025, 07:20 |
Derived Quantities
| Min Altitude | 742.3 km |
| Mean Altitude | 783.8 km |
| Peak Altitude | 825.3 km |
Launched alongside
THOR BURNER 2 R/BOrbital History
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