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GAL E27
Launch Details
| Launched | 11 December 2017 |
| Flight ended | – |
| Status | Operational |
| Categories |
Search & Rescue (SARSAT)
Galileo Active satellites |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | European Space Agency |
| NORAD ID | 43057 |
| COSPAR ID | 2017-079C |
| Alternative names |
GALILEO 21 GSAT0217 SLOT A4 VA-240 GALILEO-FOC FM17 ALEXANDRE |
| Observing |
Current orbital elements
| Inclination | 55.151° |
| Eccentricity | 0.00034 |
| RA ascending node | 15.214 hr |
| Argument perigee | 308.729° |
| Mean anomaly | 51.215° |
| Orbital period | 844.705 min |
| Epoch of osculation | 16 Oct 2025, 12:13 |
Derived Quantities
| Min Altitude | 23219.2 km |
| Mean Altitude | 23229.3 km |
| Peak Altitude | 23239.5 km |
Orbital History
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