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Spacecraft information: OPS 6026
Launch Details
| Launched | 15 September 1966 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2418 |
| COSPAR ID | 1966-082A |
| Alternative names |
DMSP 4A F1 |
| Observing |
Current orbital elements
| Inclination | 98.314° |
| Eccentricity | 0.01147 |
| RA ascending node | 9.206 hr |
| Argument perigee | 230.996° |
| Mean anomaly | 128.097° |
| Orbital period | 99.741 min |
| Epoch of osculation | 11 Dec 2025, 23:29 |
Derived Quantities
| Min Altitude | 671.6 km |
| Mean Altitude | 753.3 km |
| Peak Altitude | 835.0 km |
Orbital History
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