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 | 95.835° |
| Eccentricity | 0.04156 |
| RA ascending node | 15.254 hr |
| Argument perigee | 274.599° |
| Mean anomaly | 80.753° |
| Orbital period | 165.496 min |
| Epoch of osculation | 14 Mar 2026, 10:29 |
Derived Quantities
| Min Altitude | 3199.2 km |
| Mean Altitude | 3614.1 km |
| Peak Altitude | 4029.0 km |
Orbital History
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