Spacecraft information: MIDAS 4 DEB
| Launched | 20 October 1961 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 194 |
| COSPAR ID | 1961-028C |
| Observing |
Current orbital elements
| Inclination | 95.828° |
| Eccentricity | 0.04133 |
| RA ascending node | 13.943 hr |
| Argument perigee | 6.111° |
| Mean anomaly | 354.459° |
| Orbital period | 165.496 min |
| Epoch of osculation | 11 Dec 2025, 13:09 |
Derived Quantities
| Min Altitude | 3201.4 km |
| Mean Altitude | 3614.1 km |
| Peak Altitude | 4026.8 km |
Orbital History
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