ViaSat-2, Eutelsat 172B - Ariane 5 ECA (VA237) - Куру ELA3 - 01.06.2017, 23:45 UTC

Автор Salo, 24.01.2017 18:48:40

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ЦитироватьEUTELSAT 172B, the first European-built all-electric satellite [INTERVIEW]


Eutelsat SA

Опубликовано: 30 мая 2017 г.

Christophe Duchêne, Director European Satellite Programmes, explains the technical characteristics of the all-electric EUTELSAT 172B satellite and shares key phases of the launch campaign.

(0:49)

tnt22

ЦитироватьEUTELSAT 172B - A new star for Asia-Pacific


Eutelsat SA

Опубликовано: 30 мая 2017 г.

EUTELSAT 172B will deliver increased capacity for fast-growing applications that include in-flight and maritime connectivity, cellular backhaul, corporate networks, video distribution and government services.
It will be located at 172° East, a key neighborhood providing exceptional Asia-Pacific reach over land and sea, from Alaska to Australia.

(1:46)

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Цитировать Stéphane Israël‏ @arianespaceceo 11 мин. назад

Rollout completed: #Ariane5 is in the launch zone for tomorrow's Flight #VA237, which will orbit the ViaSat-2 and EUTELSAT 172B satellites

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http://www.arianespace.com/mission-update/va237-ariane-5-rollout/
ЦитироватьAriane 5 | May 31, 2017

Ariane 5 rolls out for Arianespace's heavy-lift mission with ViaSat-2 and EUTELSAT 172B


The Ariane 5 for Flight VA237 moves into position at the Spaceport's ELA-3 launch zone.

The Ariane 5 for Arianespace's sixth mission overall in 2017 is now at the launch zone, ready for a June 1 evening departure from the Spaceport in French Guiana to inject the dual-satellite payload of ViaSat-2 and EUTELSAT 172B into geostationary transfer orbit.

Installed atop one of two mobile launch tables in service for Ariane 5, the heavy-lift vehicle was transferred today from the Spaceport's Final Assembly Building to its ELA-3 launch zone.

ViaSat-2 will be released first during tomorrow's nearly 42-minute mission, which is designated Flight VA237 in Arianespace's launcher family numbering system. The spacecraft – with a liftoff mass estimated at 6,418 kg. – will be operated from an orbital position of 70 deg. West by ViaSat, a global broadband services and technology company based in Carlsbad, California.

Boeing and Airbus-built satellite payloads for Flight VA237
The Boeing-built ViaSat-2 relay platform is designed to bring considerable improvements in terms of speed, lower costs and extended broadband coverage within its footprint, which includes North and Central America, plus the Caribbean, northern South America, and the aeronautical and maritime routes in the Atlantic Ocean between North America and Europe.

Completing Flight VA237 will be EUTELSAT 172B's deployment by Ariane 5. This spacecraft will join the fleet of Paris-based Eutelsat – a leading satellite operator in Europe, the Middle East and Africa – and has a liftoff mass set at 3,551 kg.

EUTELSAT 172B is to be located at an orbital position of 172 deg. East for Asia-Pacific reach over land and sea from Alaska to Australia, delivering increased capacity for fast-growing applications that include in-flight and maritime connectivity, cellular backhaul, corporate networks, video distribution and government services. The spacecraft was built by Airbus as the initial all-electric telecommunications satellite produced in Europe – and the first of its type to be orbited by Ariane 5.
 
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tnt22

Цитировать Spaceflight101 LIVE‏ @S101_Live 27 мин. назад

#Ariane5 entered countdown operations at 12:22 UTC today, starting with final tanking preps and launch facility close outs.

24 мин. назад

Power-up of #Ariane5 occurred at L-10.5 hours to begin a detailed set of tests and prepare the various systems of the rocket.

23 мин. назад

Propellant Loading ops were to start at T-5 hrs before cryogenics flow at T-4:38 on the core stage & T-3:28 on the ESC-A 2nd Stage. #Ariane5

tnt22


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Цитировать Spaceflight101 LIVE‏ @S101_Live 8 мин. назад

Inside L-1 hour, #Ariane5 receives an updated flight software version & enters preparations for the Synchronized Sequence.

tnt22

Цитировать ViaSat Inc.‏ @ViaSatInc 28 сек назад

Meanwhile, back at the Space Center, @EXEDEHARRY is in the booth ready to provide commentary on today's launch. #VS2 #ViaSatInc #Ariane5

tnt22

Цитировать Spaceflight101 LIVE‏ @S101_Live 2 мин. назад

Now half an hour to the opening of the launch window, final preparations for the synchronized sequence pick up at this point. #Ariane5

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Цитировать Spaceflight101 LIVE‏ @S101_Live 3 мин. назад

The two satellites should now be in the process of switching to battery power, getting ready for a ~41-minute ride into orbit. #Ariane5