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 | 95.852° |
| Eccentricity | 0.02640 |
| RA ascending node | 13.958 hr |
| Argument perigee | 10.431° |
| Mean anomaly | 12.575° |
| Orbital period | 166.155 min |
| Epoch of osculation | 06 May 2026, 04:46 |
Derived Quantities
| Min Altitude | 3376.3 km |
| Mean Altitude | 3640.6 km |
| Peak Altitude | 3904.8 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.