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GPS NEWS
Arianespace to orbit four Galileo satellites on two Ariane 62 launches
by Staff Writers
Kourou, French Guiana (SPX) Sep 15, 2017


A total of 18 Galileo satellites already are in orbit. Fourteen of these satellites were launched two at a time by Soyuz launchers, with the last four orbited on a single Ariane 5 ES mission in November 2016. Two more Ariane 5 ES missions are planned on December 12, 2017 and in the summer of 2018.

Arianespace will launch four new satellites for the Galileo constellation, using two Ariane 62 versions of the next-generation Ariane 6 rocket from the Guiana Space Center in French Guiana.

The contract will be conducted by the European Space Agency (ESA) on behalf of the European Commission (DG Growth) and the European Union.

Stephane Israel, Arianespace Chief Executive Officer, and Paul Verhoef, Director of Navigation at the European Space Agency (ESA), signed the launch contract for four new satellites to join the European satellite navigation system Galileo. The contract will be conducted by ESA on behalf of the European Commission (DG Growth).

These launches are planned between the end of 2020 and mid-2021, using two Ariane 62 launchers - the configuration of Europe's new-generation launch vehicle that is best suited for the targeted orbit. The contract also provides for the possibility of using the Soyuz launch vehicle from the Guiana Space Center, if needed.

Both missions will carry a pair of Galileo spacecraft to continue the constellation deployment for Europe's satellite-based navigation system. The satellites, each weighing approximately 750 kg., will be placed in medium earth orbit (MEO) at an altitude of 23,222 kilometers and be part of the Galileo satellite navigation constellation.

Galileo is the first joint infrastructure financed by the European Union, which also will be the owner. The Galileo system incorporates innovative technologies developed in Europe for the greater benefit of citizens worldwide.

A total of 18 Galileo satellites already are in orbit. Fourteen of these satellites were launched two at a time by Soyuz launchers, with the last four orbited on a single Ariane 5 ES mission in November 2016. Two more Ariane 5 ES missions are planned on December 12, 2017 and in the summer of 2018.

Following the signature of this latest contract, Stephane Israel, CEO of Arianespace, said: "Arianespace is especially proud to have won this first launch contract for the Ariane 6 from its loyal customers and partners, the European Commission (DG Growth) and ESA. We are very pleased to have earned this expression of trust from the European Commission; by choosing to continue the deployment of the Galileo constellation with two Ariane 62 launches, they become the first confirmed customer for our next-generation heavy launcher, which is slated to make its initial flight in the summer of 2020.

"Through this decision, which adds two additional launches to follow the already-scheduled Ariane 5 ES flights, the European Commission and ESA are clearly indicating a key commitment to Arianespace's next generation of launchers, which reaffirms more than ever its mission to ensure Europe's autonomous access to space."

GPS NEWS
Second Lockheed Martin GPS 3 Satellite completes launch simulation tests
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Launch is the most strenuous part of a satellite's life. To survive the extreme sound wave pressure and pounding vibrations generated by more than 700,000 lbs. of thundering rocket thrust, spacecraft need a solid, reliable design if they hope to arrive operational on orbit. On July 13, Lockheed Martin (NYSE: LMT)'s second, fully-assembled GPS III space vehicle (SV) completed a realistic si ... read more

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