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Update on Galileo launch injection anomaly
by Staff Writers
Paris (ESA) Aug 28, 2014


Artist's view of one of the first two Galileo Full Operational Capability satellites. The first two Galileo Full Operational Capability satellites (satellites 5-6) were launched together aboard a Soyuz rocket from Europe's Spaceport in French Guiana on 22 August 2014, joining the four Galileo satellites already in orbit. These satellites are significant as the first of the rest of the Galileo constellation. The definition, development and in-orbit validation phases of the Galileo programme were carried out by ESA and co-funded by ESA and the EU. Image courtesy ESA-J. Huart, 2014.

Work at ESA's ESOC control centre continues relentlessly on the two Galileo satellites.

Despite the non-nominal orbit, the satellites are safely under control after they were released from the launcher upper stage and their orbital position was determined by the European ground teams deployed at ESOC in Darmstadt, Germany.

Controllers there, in cooperation with the satellite manufacturer OHB, confirm the good health and the nominal behaviour of both satellites.

A procedure to deploy the solar arrays that had remained partially folded on both satellites was successfully executed on the first satellite in the course of Monday night. A similar procedure will be executed soon on the second satellite.

Both satellites continue to be kept in a safe state, correctly pointing to the Sun, properly powered and fully under control of the ESA/CNES integrated team and the teams of OHB deployed at ESA's control centre

In parallel, the teams are investigating the possibilities to exploit the satellites to their best despite the non-nominal injection orbit and within the limited propulsion capabilities of the satellites.

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GPS NEWS
Galileo navigation satellites lose their way in space
Paris (AFP) Aug 23, 2014
Two European Galileo satellites launched as part of a navigation system designed to rival GPS have failed to locate their intended orbit, launch firm Arianespace said Saturday. The European Space Agency said an investigation had been launched into what it said were "the anomolies of the orbit injection" but that the satellites were being safely controlled. The satellites Doresa and Milen ... read more


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