Spacecraft information: 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 55.108°
Eccentricity 0.00021
RA ascending node 14.958 hr
Argument perigee 356.014°
Mean anomaly 3.921°
Orbital period 844.701 min
Epoch of osculation 05 Mar 2026, 02:47

See historical orbital elements »

Derived Quantities

Min Altitude 23223.1 km
Mean Altitude 23229.3 km
Peak Altitude 23235.4 km

Launched alongside

GAL E21 GAL E25 GAL E31 ARIANE 5 R/B

Orbital History

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Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EST

Color scheme


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Last updated: 05 Mar 2026, 19:25 UTC
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