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 | 95.834° |
| Eccentricity | 0.04155 |
| RA ascending node | 15.197 hr |
| Argument perigee | 278.579° |
| Mean anomaly | 76.821° |
| Orbital period | 165.496 min |
| Epoch of osculation | 10 Mar 2026, 09:55 |
Derived Quantities
| Min Altitude | 3199.3 km |
| Mean Altitude | 3614.1 km |
| Peak Altitude | 4028.9 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.