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MIDAS 4
Launch Details
| Launched | 20 October 1961 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 192 |
| COSPAR ID | 1961-028A |
| Observing |
Current orbital elements
| Inclination | 95.853° |
| Eccentricity | 0.01375 |
| RA ascending node | 15.642 hr |
| Argument perihelion | 150.708° |
| Mean anomaly | 210.157° |
| Orbital period | 165.944 min |
| Epoch of osculation | 01 Dec 2021, 05:28 |
Derived Quantities
| Min Altitude | 3494.6 km |
| Mean Altitude | 3632.1 km |
| Peak Altitude | 3769.6 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.