Spacecraft information: OPS 8579
| Launched | 15 March 1974 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 7218 |
| COSPAR ID | 1974-015A |
| Alternative names |
DMSP 5B F5 |
| Observing |
Current orbital elements
| Inclination | 98.989° |
| Eccentricity | 0.00569 |
| RA ascending node | 6.166 hr |
| Argument perigee | 90.055° |
| Mean anomaly | 270.715° |
| Orbital period | 100.553 min |
| Epoch of osculation | 26 Dec 2025, 11:46 |
Derived Quantities
| Min Altitude | 751.2 km |
| Mean Altitude | 791.9 km |
| Peak Altitude | 832.7 km |
Orbital History
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