Inmarsat-S–Europasat/Hellas-Sat 3 (HS3-IS), GSAT-17– Ariane 5 ECA (VA238)– Kourou ELA-3 – 28.06.2017

[tnt22]

Inmarsat‏Подлинная учетная запись @InmarsatGlobal 5 июн.

Say hello to the 50.5m tall #Ariane5 rocket that will launch our #EANsat into geo orbit to power #inflightwifi for passengers over Europe

[tnt22]

Заправка HS3-IS (полноразмерные фото по ссылкам)

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[tnt22]

Перевозка GSAT-17 из S5C в S5B (по ссылкам - полноразмерные фото)

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[tnt22]

tnt22 пишет:
Заправка HS3-IS (полноразмерные фото по ссылкам)

Появились альтернативные ссылки от 2017-06-09

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[tnt22]

Inmarsat‏Подлинная учетная запись @InmarsatGlobal 8 июн.

Health check complete & our #EANsat has been moved to @Arianespace fuelling zone. Getting launch-ready to deliver #inflightwifi over Europe!

Спойлер

[свернуть]

[tnt22]

http://www.arianespace.com/mission-update/gsat-17-checkout-va238/

Ariane 5 | June 9, 2017

GSAT-17 "opens up" during testing ahead of this Indian satellite's June 28 launch on Arianespace's next Ariane 5 mission


One of GSAT-17's two solar panels is extended during checkout activity in the Spaceport's S5 preparation facility (photo at left). Also undergoing deployment testing were the satellite's antenna reflectors (photo, right).

The next launch of Arianespace's heavy-lift Ariane 5, scheduled for June 28 from the Spaceport in French Guiana, will carry a dual payload: the Indian Space Research Organisation's GSAT-17 communications satellite and the Hellas Sat 3-Inmarsat S EAN multi-mission relay satellite for Inmarsat and Hellas-Sat.

In advance of the liftoff, GSAT-17 has been undergoing ground-based checkout activity, including the deployment of its solar panels and antenna reflectors in the Spaceport's S5 payload preparation facility's S5C large clean room hall.

Спойлер

Such deployment testing is a routine procedure with Indian satellites prior to launch. For the solar panels' extension, an overhead latticework helped support the solar panels as they opened to their full length – simulating the zero gravity conditions in space. Upon validating the proper operation, Indian technicians stowed the panels against the satellite in their final liftoff configuration. Afterwards, the satellite's two antenna reflectors were similarly deployed and restowed during activity in the clean room.

Launching aboard the upcoming Ariane 5 mission – designated Flight VA238 in Arianespace's launcher family numbering system – GSAT-17 will be deployed second in the flight sequence, following Ariane 5's release of Hellas Sat 3-Inmarsat S EAN. GSAT-17 is based on the I-3K extended spacecraft bus, with a liftoff mass set at 3,425 kg. The satellite's relay payload is composed of Ku-band, Normal C-band and Extended C-band transponders. The satellite also carries CxS and SxC transponders as well as DRT and SAR transponders.

Arianespace is targeting a total of 12 missions in 2017 utilizing its family of the heavy-lift Ariane 5, medium-lift Soyuz and light-lift Vega. So far this year, the launch services company has performed six flights from the Spaceport, composed of three with Ariane 5, two utilizing Soyuz and one with Vega.
 

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• Larger versions of the photos above are available for downloading in the Gallery.
  

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[tnt22]

Inmarsat‏Подлинная учетная запись @InmarsatGlobal 7 ч. назад

Biggest fuelling job ever? Our #EANsat is now ready to be mated to #Ariane5 . Countdown to #EuropeanAviationNetork #inflightwifi continues!

Спойлер

[свернуть]

[tnt22]

CSG выпустила буклет миссии VA238 (Fr / En)
p10805_f108b2e517e49539cca7d2f49da3e9dfdepliant_VA238_csg.pdf - 2719305 B, 2 стр, 2017-06-14 13:17:39  UTC

[tnt22]

Окно - 1 ч 25 мин
GSAT-17 - масса 3425 кг - нижняя ПН
HS3-IS - масса ≈5800 кг - верхняя ПН

[tnt22]

Стикер миссии VA238 (355888 B)
http://www.cnes-csg.fr/automne_modules_files/standard/public/p10805_8c5cd03f156c3826881b17eeb8f2a9d5Sticker_VA238_06.png
 

[tnt22]

На текущий момент

http://www.cnes-csg.fr/web/CNES-CSG-fr/10805-le-centre-spatial-guyanais.php

lancement des satellites HS3-IS & GSAT-17
le 28 juin, décollage à 17:59 (locale)

[tnt22]

Больше недели молчал сервер csgpreparationlancement.com, наконец ожил
http://www.csgpreparationlancement.com/ariane/ariane-5-vol-212-transfert-du-lancer-en-zl/

13 juin 2017
 
Vol Ariane 238 – Transfert du lanceur
 
Ariane 5 est transféré du BIL (bâtiment d'intégration lanceur) au BAF (bâtiment d'assemblage final), pour y recevoir ses 2 passagers les satellites HS3-IS & GSAT-17, dès que ceux-ci seront remplis en carburant (ergols).

June 13, 2017

Ariane 238 Flight - Launcher Transfer

Ariane 5 is transferred from the BIL (Integration Launcher Building) to the BAF (final assembly building), to receive its 2 passengers the HS3-IS & GSAT-17 satellites as soon as they are filled with fuel (propellants ).

[tnt22]

DutchSpace‏ @DutchSpace 22 мин. назад

Nice view of Hellas Sat 3-Inmarsat S EAN while being moved into #CCU3 at #CSG for the move to #BAF #Ariane5 #VA238

[tnt22]

DutchSpace‏ @DutchSpace 2 ч.назад
 
Launch getting closer... @isro #GSAT17 being integrated on top of #Ariane5 #VA238 launcher inside #BAF at #CSG

[tnt22]

Inmarsat‏Подлинная учетная запись @InmarsatGlobal 19 мин. назад

Excited to confirm our #EANsat will launch w/ @Arianespace on an #Ariane5 on 28 June at 21:59 BST! Find out more: https://www.inmarsat.com/inmarsat-s 

[tnt22]

https://www.inmarsat.com/inmarsat-s

SATELLITE MISSION

Inmarsat's S-band satellite is scheduled for launch from the Guiana Space Center in Kourou, French Guiana on 28 June at 20:59 UTC/21:59 BST

THE SATELLITE
The newest edition to Inmarsat's fleet will provide the satellite element of the integrated European Aviation Network (EAN), set to transform connectivity for airline passengers in Europe.

Inmarsat's S-band multi-beam satellite is part of a condominium satellite, or 'condosat', constructed by Thales Alenia Space, which incorporates a second payload for Hellas-Sat fixed and broadcast satellite services.

Built on the Spacebus 4000 C4 platform, the condosat will weigh about 5.8 tonnes at launch and will offer payload power of approximately 12.7 kW.

It will be positioned at 39° East, providing EAN mobile satellite services in Inmarsat's S-band spectrum allocation across all 28 member states of the European Union, plus Norway and Switzerland.

Спойлер

SAT STATS

SATELLITE WEIGHT: 2,500KG (WITHOUT PROPELLANT)	SATELLITE BODY: AT 6M HIGH WITH A WIDTH OF 2M X2.4M, IT IS THE EQUIVALENT SIZE OF A SMALL BUS
THE SATELLITE COMPRISES MORE THAN 600 ELECTRONIC AND RADIO-FREQUENCY UNITS	TWO SOLAR ARRAYS: WITH A TOTAL WINGSPAN OF 37M ONCE ON-STATION
FOUR DEPLOYABLE ANTENNAS: THREE ANTENNAS WILL RECEIVE AND TRANSMIT SIGNALS FOR THE EAN NETWORK, COVERING THE DIFFERENT GEOGRAPHICAL REGIONS OF EASTERN EUROPE, CENTRAL EUROPE AND THE IBERIA PENINSULA. THE FOURTH ANTENNA IS FOR THE HELLAS-SAT MISSION
LAUNCH MASS: CLOSE TO 5.8 TONNES	SATELLITE MISSION LIFETIME: APPROXIMATELY 17 YEARS

THE LAUNCH

Arianespace will launch the joint satellite from the ELA-3 launch zone at Guiana Space Center in Kourou, French Guiana.

The spaceport's location close to the equator at 5.3° North latitude makes it ideally situated for missions into geostationary orbit. Launching near the equator reduces the energy required for orbit plane change manoeuvres, saving fuel and so enabling an increased operational lifetime.

Inmarsat's S-band satellite will be carried on an Ariane 5 rocket, Arianespace's workhorse heavy-lift launch vehicle, which stands at 50.5 metres tall.



FIRST SIGNAL FROM SPACE

Following lift off, the Launch and Early Orbit Phase (LEOP) teams from Thales Alenia Space (TAS), Inmarsat and Hellas-Sat will be on standby at the TAS Satellite Control Centre in Cannes, France waiting for the first telemetry acquisition, expected approximately 39 minutes into flight, which will be received from the Mingenew Ground Station in Australia.

A very long night is then in store for the spacecraft analysts and engineers, who will carry out a series of satellite health checks and manoeuvres, including sun pointing acquisition and solar array partial deployment.

After five days, apogee boost manoeuvres will be executed to reach geostationary orbit, when the solar arrays and antennas will be fully deployed and payload in-orbit tests carried out from our Nemea Satellite Control Centre in Greece. After in-orbit test completion, satellite control will remain in Nemea, with specific S-band EAN payload commands sent from Inmarsat's Satellite Control Station at our London HQ.

EUROPEAN AVIATION NETWORK

The European Aviation Network (EAN) is the world's first integrated satellite and air-to-ground service dedicated to providing a true inflight Wi-Fi experience for passengers flying across the busy skies of Europe.

Revolutionising the onboard experience, EAN will enable passengers to browse the internet, stream videos, check social media and more on their smart devices in the same way as they expect to on the ground – all at 35,000 feet!

Inmarsat satellite connectivity will be combined with a 4G LTE-based ground network covering approximately 300 sites, operated by partner Deutsche Telekom. Aircraft will switch automatically between satellite and terrestrial connectivity using an onboard network communicator for optimal service delivery.

Designed specifically for high-traffic flight paths and busy airport hubs, and with International Airlines Group already signed up as launch customer, EAN will transform the passenger experience for millions of people who have been cut off from fast, reliable and consistent broadband access when they fly.

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[tnt22]

tnt22 пишет:
CSG выпустила буклет миссии VA238 (Fr / En)
 p10805_f108b2e517e49539cca7d2f49da3e9dfdepliant_VA238_csg.pdf - 2719305 B, 2 стр, 2017-06-14 13:17:39 UTC

Вышел исправленный и дополненный вариант буклета (Fr / En)

depliant-VA238_csg.pdf - 2719740 B, 2 стр, 2017-07-20 14:35:45 UTC

Изменения касаются информации о КА и об основных операциях (по дням)

[tnt22]

tnt22 пишет:
Окно - 1 ч 25 мин
GSAT-17 - масса 3425 кг - нижняя ПН
HS3-IS - масса ≈5800 кг - верхняя ПН

Исправлено на:
Окно - 1 ч 17 мин
GSAT-17 - масса 3475 кг - нижняя ПН
HS3-IS - масса 5780 кг - верхняя ПН

[tnt22]

tnt22 пишет:
Стикер миссии VA238 (355888 B)
 http://www.cnes-csg.fr/automne_modules_files/standard/public/p10805_8c5cd03f156c3826881b17eeb8f2a9d5Sticker_VA238_06.png

Вышло обновление
Sticker_VA238_06.jpg - 358174 B, 2017-06-20 14:33:36 UTC

[tnt22]

Vol Ariane 238 – Transfert du lanceur

Ariane 238 Flight - Launcher Transfer

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