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Новости о спутниках:
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Планирующиеся российские космические пуски
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2015 год
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HOT BIRD™ 10 and NSS-9 mark new milestones in their integration for Ariane 5's initial mission of 2009

February 3, 2009

The multi-passenger payload “stack” for Arianespace’s upcoming heavy-lift mission is nearly complete, with its NSS-9 satellite now integrated atop Ariane 5, and the HOT BIRD™ 10 spacecraft encapsulated in the launcher’s payload fairing.

During activity in the Ariane 5 Final Assembly Building at Europe’s Spaceport, NSS-9 was installed this morning on the launch vehicle’s cryogenic core stage. This places the SES NEW SKIES satellite in the lower position of Ariane 5’s payload stack, from where it will be deployed approximately 32 minutes after liftoff on the February 12 mission (upper photo at right).

In an adjacent preparation area of the Final Assembly Building, Ariane 5’s protective fairing was lowered into place yesterday over Eutelsat’s HOT BIRD 10 spacecraft and the SLYDA dispenser system on which it is mated (bottom photo). This readies the HOT BIRD 10/SYLDA combination for its placement over the NSS-9 satellite, completing the payload stack. HOT BIRD 10 is to be separated first during Ariane 5’s launch, with its release occurring about 26 min. 30 sec. into the flight.

The upcoming mission will be Arianespace’s first for 2009, during which the company is targeting six to eight launches with its workhorse heavy-lift vehicle.

HOT BIRD 10 is a high-power satellite equipped with 64 Ku-band transponders. Built by prime contractor EADS Astrium on its Eurostar E3000 spacecraft bus, the spacecraft has a launch mass of 4,892 kg., and it is identical to Eutelsat's HOT BIRD™ 9 – which was orbited on the year-ending 2008 mission of Ariane 5 on December 20. HOT BIRD 10 is earmarked for cable and satellite broadcasting duties at Eutelsat’s flagship “video neighborhood” orbital slot of 13 deg. East.

NSS-9 will be operated by SES NEW SKIES, and was built by Orbital Sciences Corporation using its Star-2 platform. This satellite will have a liftoff mass of about 2,230 kg. and is fitted with 44 active high-power C-band transponders. From its orbital position at 183 degrees West, NSS-9 is to offer seamless operational continuity for a variety of customers, including TV broadcasters, government users, operators and transport firms in the Pacific islands, as well as the maritime industry.

Also to be orbited on Ariane 5’s February 12 mission will be a pair of Spirale micro-satellites, which are riding as auxiliary passengers at the base of the payload stack. These two 120-kg.-class satellites are demonstrators for a French defense space-based optical early warning system. They were built by Alcatel Space for Spirale program prime contractor EADS Astrium – and are based on the French CNES space agency-designed Myriade spacecraft platform.

France’s Spirale demonstration program is designed to collect infrared images of terrestrial backgrounds and analyze them in order to assess the detection of ballistic missiles during their powered phase. This is expected to pave the way for a future ballistic missile warning system that would monitor the proliferation of ballistic missiles, as well as provide early warning of launches and determine the origin.

The Spirale satellites will be deployed at just under 34 minutes into the February 12 flight of Ariane 5, marking the mission’s completion.

http://www.arianespace.com/news-mission-update/2009/563.asp