BackForward Satellite: Galileo 

Satellite details
Acronym Galileo
Full name Galileo
WIGOS Station Identifier ---
Satellite Description
  • Constellation of 30 navigation satellites.
  • Main purpose: part of the Global Navigation Satellite Systems (GNSS).
  • Significant contribution to Space weather.
  • Three orbital planes, 120° de-phased, 8 satellites in each plane + 2 spares.
  • The launch of the first two satellites occurred on 21 October 2011.  The constellation is expected to be complete in 2019.
Mass at launch 730 kg Dry mass 670 kg
Power 1900 W
Data access link no link provided
Data access information
  • N/A
Orbit Drifting orbit Altitude 23222 km
Inclination 56 °


Space agency ESAEC
Status Operational
Details on Status
(as available)
Launch 21 Oct 2011 EOL ≥2031
Last update: 2016-10-11
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on Galileo

Acronym Full name
EMU Environmental Monitor Unit
Show instrument status and calibration