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EXPLORER 27
Launch Details
| 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 | 0.02445 |
| RA ascending node | 12.808 hr |
| Argument perigee | 221.024° |
| Mean anomaly | 137.189° |
| Orbital period | 107.551 min |
| Epoch of osculation | 27 Aug 2025, 21:54 |
Derived Quantities
| Min Altitude | 937.4 km |
| Mean Altitude | 1120.5 km |
| Peak Altitude | 1303.7 km |
Orbital History
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