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 | 195 |
| COSPAR ID | 1961-028D |
| Observing |
Current orbital elements
| Inclination | 95.843° |
| Eccentricity | 0.01273 |
| RA ascending node | 12.059 hr |
| Argument perigee | 185.377° |
| Mean anomaly | 174.571° |
| Orbital period | 166.354 min |
| Epoch of osculation | 25 Feb 2026, 06:38 |
Derived Quantities
| Min Altitude | 3521.0 km |
| Mean Altitude | 3648.6 km |
| Peak Altitude | 3776.2 km |
Orbital History
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