Spacecraft information: EXPLORER 27
| Launched | 28 April 1965 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Wallops Island, Virginia, USA |
| Owner | United States |
| NORAD ID | 1328 |
| COSPAR ID | 1965-032A |
| Observing |
Current orbital elements
| Inclination | 41.183° |
| Eccentricity | 0.02431 |
| RA ascending node | 17.203 hr |
| Argument perigee | 295.714° |
| Mean anomaly | 61.870° |
| Orbital period | 107.550 min |
| Epoch of osculation | 27 Jan 2026, 18:47 |
Derived Quantities
| Min Altitude | 938.3 km |
| Mean Altitude | 1120.5 km |
| Peak Altitude | 1302.6 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.