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 | 27478 |
| COSPAR ID | 1961-028H |
| Observing |
Current orbital elements
| Inclination | 95.850° |
| Eccentricity | 0.02648 |
| RA ascending node | 13.762 hr |
| Argument perigee | 24.324° |
| Mean anomaly | 359.265° |
| Orbital period | 166.155 min |
| Epoch of osculation | 22 Apr 2026, 05:35 |
Derived Quantities
| Min Altitude | 3375.5 km |
| Mean Altitude | 3640.6 km |
| Peak Altitude | 3905.6 km |
Orbital History
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