Europe's Galileo system now has eight satellites in orbit
Europe’s satellite navigation system is closer to completion with the launch of the seventh and eighth satellites.
Europe’s Galileo satellite navigation system now has eight satellites in orbit, following the launch of the latest pair. Galileo 7 and 8 lifted were rocketed into orbit on 27 March, from Europe’s Spaceport in French Guiana, aboard a Soyuz launch vehicle.
Following initial checks, run jointly by ESA and France’s CNES space agency from the CNES Toulouse centre, the two satellites will be handed over to the Galileo Control Centre in Germany and the Galileo in-orbit testing facility in Belgium for testing before they are commissioned for operational service. This is expected in mid-year.
The new pair will join the six satellites launched in October 2011, October 2012 and August 2014.
“The deployment of the Galileo constellation is restarting with this successful launch,” said Jean-Jacques Dordain, director general of ESA.
“The tests in orbit of satellites 5 and 6 have demonstrated the quality and performance of the satellites, and the production of the following ones is well on track. Good news for Galileo.”
Four more satellites are in testing or final integration and scheduled for launch later this year.
“With six new satellites expected to be in orbit by year’s end, we are now approaching the cruise mode of production, testing and deployment of the satellite constellation,” said ESA Director of Galileo and Navigation-related Activities Didier Faivre.
As set by the European Commission, the objective is to deliver a package of initial services - including a free public service, an encrypted public regulated service and a search and rescue function - by 2016, to be transferred to the responsibility of the European Global Navigation Satellite Systems Agency, GSA.
A full system capability that includes an encrypted commercial service benefiting from 24 operational satellites and six spares is expected to be in place by 2020.
Galileo is the EU’s own global satellite navigation system. It will consist of 30 satellites and their ground infrastructure.
The definition, development and In-Orbit Validation phase were carried out by ESA and co-funded by ESA and the European Commission. The phase created a mini constellation of four satellites and a reduced ground segment dedicated to validating the overall concept.
The full Operational Capability phase is fully funded by the European Commission. The commission and ESA have signed a delegation agreement by which ESA acts as design and procurement agent on behalf of the commission.
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