4 Galileos a ‘go’ for Thursday launch

November 15, 2016  - By
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This week’s Arianespace flight with four European Galileo navigation system spacecraft has been approved for a morning liftoff on Nov. 17 following the launch readiness review held Monday at the Spaceport in French Guiana.

Paul Verhoef, ESA Director Satellite Navigation, at the Kourou launch site to witness Thursday's liftoff.

Paul Verhoef, ESA Director Satellite Navigation, at the Kourou launch site to witness Thursday’s liftoff.

Designated Flight VA233 in Arianespace’s numbering system, the launch will deploy its quartet of Galileo spacecraft during a nearly four-hour flight, with liftoff set at exactly 10:06:48 a.m. local time in French Guiana on Thursday.

All four Galileo satellites are mated to the dispenser in readiness for the upcoming launch.

All four Galileo satellites are mated to the dispenser in readiness for the upcoming launch.

Monday’s launch readiness review validated the “go” status of the Ariane 5 ES launcher version, its Galileo passengers, as well as the Spaceport’s launch site infrastructure and the network of tracking stations.

As a follow-up to Arianespace’s previous missions that used the medium-lift Soyuz to orbit Galileo satellites in pairs, the heavy-lift Ariane 5 enables four of the global positioning spacecraft to be accommodated on a single launch vehicle.

The four satellites are numbered Galileo 15 through 18.

Arianespace previously deployed 14 Galileo in-orbit validation and full operational capability spacecraft from the Spaceport in French Guiana on seven Soyuz missions, along with performing two other Soyuz flights from the Baikonur Cosmodrome in Kazakhstan with the GIOVE-A and GIOVE-B experimental satellites for the Galileo system.

Galileo will offer a guaranteed, high-precision positioning service for Europe under civilian control. Its constellation will comprise 24 operational satellites, along with spares.

The European Commission funds — and has overall responsibility — for Galileo’s management and implementation, with the European Space Agency assigned design and development of the new generation of systems and infrastructure.

OHB System in Bremen, Germany built the satellites to be orbited by Arianespace’s Flight VA233, and their navigation payloads were supplied by UK-based Surrey Satellite Technology Limited (SSTL), which is 99 percent owned by Airbus Defence and Space.

Launch kit

Launch kit

The four spacecraft carried by Ariane 5 are called Antonianna, Lisa, Kimberley and Tijmen – with their naming for winners of a European children’s drawing contest.

A video of the launch will be streamed hereStreaming starts at 12:36 GMT (13:36 CET)

Follow Arianespace’s launch activity.

Download the launch kit.

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