by Staff Writers
Kourou, French Guiana (ESA) Apr 24, 2015
Arianespace has delivered another Ariane 5 to the launch zone at Europe's Spaceport in French Guiana, positioning this workhorse heavy-lift vehicle for tomorrow's flight with a pair of telecommunications satellites: THOR 7 and SICRAL 2.
The Ariane 5 rolled out from the Spaceport's Final Assembly Building to the ELA-3 launch zone, where it is scheduled for liftoff during a launch window that opens on April 24 at 4:38 p.m. local time in French Guiana.
For this 78th overall flight of an Ariane 5, the payload lift performance is estimated at 9,850 kg. - which includes a combined total of some 9,000 kg. for the two satellites, plus the launcher's dual-passenger dispenser system and integration hardware.
Riding as the upper passenger in Ariane 5's payload arrangement is THOR 7, which will be released at approximately 28 minutes into the mission. The spacecraft was built by SSL (Space Systems/Loral) for Telenor Satellite Broadcasting, and will operate from an orbital position of .8 deg. West.
THOR 7 is to serve the maritime sector, delivering high-powered coverage over the North Sea, the Norwegian Sea, the Red Sea, the Baltic Sea and the Mediterranean. Also incorporated in this relay platform is a Ku-band payload for broadcast and television services in Central and Eastern Europe.
SICRAL 2 is a military telecommunications satellite developed in the framework of a turnkey contract that the Italian Defense Ministry and the French DGA armament agency (Direction Generale de l'Armement) have with Thales Alenia Space Italy; while Telespazio is responsible for the launch service. It will be deployed from Ariane 5's lower passenger position at approximately 34 minutes after liftoff - completing the mission.
After the deployment by Ariane 5, SICRAL 2 - offering a design life of 15 years - will provide strategic and tactical telecommunications links for French and Italian military forces, as well as reserve capacity for other NATO nations.
Tomorrow's Ariane 5 launch is designated VA222, signifying the 222nd liftoff of an Ariane-series vehicle since 1979. It also will mark Arianespace's third flight in 2015 with a launcher from its three-member family - following the medium-lift Soyuz mission on March 27 that orbited two European Galileo FOC (Full Operational Capability) navigation satellites, and February 11's lightweight Vega suborbital flight with Europe's Intermediate eXperimental Vehicle (IXV) spaceplane.
Launch Pad at Space-Travel.com
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