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Raumfahrt - Start von Ariane-5 VA231 mit ISRO´s GSAT-18 Satelliten

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21.06.2016

The GSAT-18 satellite arrived in Guyana. Transferred in a clean room, it will be prepared and installed atop the launcher, with its co-passenger Superbird-8. scheduled launch in mid-July.

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The GSAT-18 satellite is transferred in a clean room to undergo the required tests before launch preparation. It will be prepared and installed atop the launcher, with its co-passenger Superbird-8. scheduled launch in mid-July.

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After a preparation phase, the solar panels of the satellite GSAT-18 India are deployed in a clean room for inspection. It will be launched into orbit with his co-passenger Superbird-8 mid-July.

Quelle: CNES

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Japan’s DSN-1 military communications satellite damaged during transport to launch base

PARIS—Japan’s DSN-1 X-band military communications satellite was damaged during transport from Japan to Europe’s Guiana Space Center spaceport in South America and will miss its planned summer launch aboard a European heavy-lift Ariane 5 rocket, also delaying its intended co-passenger, India’s GSAT-18 telecommunications satellite, industry officials said.
It remained unclear whether the damage is severe enough to require the satellite to be returned to Japan or can be treated at the spaceport facilities. Also unknown is whether the damage occurred during loading or unloading of the satellite, or during its air transport from Japan.
Launch-service provider Arianespace’s chief executive, Stephane Israel, said after the company’s June 18 Ariane 5 launch that the company’s next mission would not occur until Aug. 24 and would carry two Intelsat-owned satellites, IS-33e and IS-36. He made no mention of the planned GSAT-18/DSN-1 launch.
Industry officials said the C- and Ku-band GSAT-18 likely would be paired with Australia’s Sky Muster 2 Ka-band consumer broadband satellite for a launch as early as September, assuming no delays for the Intelsat campaign.
The Japanese Defense Ministry in 2013 agreed to finance the two-satellite DSN project as what was then Japan’s first Private Finance Initiative. A joint venture, called DSN Corp., was created to manage the project from end to end, including ordering and launching the satellites and operating them for 15 years in orbit.
Sky Perfect JSat, Japan’s principal satellite fleet operator, is the project coordinator and owns 65 percent of the joint venture. NEC Corp., with a 17.5 percent share, is prime contractor for the two satellites. NTT Communications, also with a 17.5 percent share in the project, is responsible for ground network management and maintenance.
Sky Perfect JSat did not immediately respond to requests for comment on DSN-1’s status.
The second satellite, DSN-2, had been scheduled for launch in 2017 by Mitsubishi Heavy Industries aboard a Japanese H-2A rocket.
Quelle:SN
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Update: 10.07.2016
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Deferred GSAT-18 awaits October launch at Kourou
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GSAT-18, the country’s upcoming communication satellite, has to wait until October in Kourou in French Guiana for launch after its Japanese co-passenger was found damaged days ahead of the launch planned this month.
The 3.4-tonne satellite would have flown into its orbit on July 12 on a European Ariane 5 rocket along with the Japanese spacecraft.
The launch company, Arianespace, deferred the scheduled double-launch after Japan’s Superbird-8 spacecraft reportedly sustained damage.
Arianespace, which ISRO has contracted to put GSAT-18 into space, now has to find a suitable riding mate for the Indian spacecraft from among its other customers.
A.S. Kiran Kumar, Chairman of the ISRO and Secretary of the Department of Space, said: “Originally, the GSAT-18 was scheduled to be launched on July 12. The launch date is now changed because of the co-passenger developing an issue. We will now have the launch more or less in the first week of October.”
Next GSAT-17
The three-month gap would not affect the available national satellite capacity. The next one, GSAT-17, also by Arianespace, is getting ready for blast-off in the first quarter of 2017, Mr. Kumar told The Hindu .
ISRO is developing its own four-tonne launcher, GSLV-Mk3 or LVM-3, to launch communications satellites like GSAT-18.
Health monitoring
Meanwhile, GSAT-18 remains at the Guiana Space Centre while most of the satellite’s engineering support team that accompanied it from Bengaluru has returned. A small team has stayed back to monitor the health of the spacecraft.
Post-launch, GSAT-18 will be positioned at 74 degrees East longitude, where the older INSAT 4CR (launched in 2007) and INSAT-3C (of 2002) are functioning.
According to ISRO officials, it is not uncommon for launch agencies, including ISRO that launches smaller commercial satellites on its PSLV rocket, to reschedule flights when they are putting more than one spacecraft on a single rocket. All satellites flying together must be compatible in many ways beyond size and shape.
Arianespace now has to find a suitable riding mate for the Indian spacecraft from its customers
Quelle: The Hindu
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Update: 10.09.2016
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Sky Muster™ II comes to French Guiana for launch on Ariane 5

The second Sky Muster™ satellite to be orbited by Arianespace for Australia’s nbn™ arrived in French Guiana this week, taking one of the world’s largest communications platforms one step closer to its October launch aboard a heavy-lift Ariane 5.

nbn’s Sky Muster II satellite is unloaded from a cargo jetliner following its delivery to French Guiana

Enclosed in its protective shipping container, Sky Muster™ II is unloaded from the chartered An-124 cargo jetliner at Félix Eboué Airport following the satellite’s arrival in French Guiana.

Weighing in at 6,400 kg. for liftoff, Sky Muster II will provide additional data capacity to support nbn’s delivery of satellite broadband service – helping bridge Australia’s digital divide for some 400,000 homes and businesses in regional and remote areas of the country.

Sky Muster II was delivered by a chartered Antonov An-124 cargo jetliner, which touched down yesterday at Félix Eboué Airport near the French Guiana capital city of Cayenne. After unloading in its protective shipping container, the satellite was ready for a road trip to the Spaceport launch base.

The October 4 mission – designated Flight VA231 in Arianespace’s launcher family numbering system – follows the company’s lofting of nbn’s first Sky Muster relay platform in September 2015, using another Ariane 5.

Artwork on Ariane 5 for Sky Muster’s Australia coverage

As with last year’s launch, the Ariane 5’s protective payload fairing for Flight VA231 will be decorated with artwork related to the nbn network that will enable communities across Australia to access fast broadband, with the goal of connecting eight million homes and businesses by 2020.

The artwork is a mosaic-style image composed of more than 700 Australians who won nbn’s “Blast Your Face Into Space” competition for the opportunity to include their picture on Arianespace’s workhorse launch vehicle.

On the Ariane 5 used last September with the original Sky Muster satellite, its payload fairing included a drawing from six-year-old student Bailey Brooks, whose school won a contest to name the satellite, submitting “Sky Muster” as the suggestion.

Joining Sky Muster II for Arianespace’s Flight VA231 in October will be India’s GSAT-18 telecommunications satellite, developed by the Indian Space Research Organisation (ISRO). GSAT-18 will have a liftoff mass in the 3,400-kg. category.

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Checkout begins with Sky Muster™ II for Arianespace’s next Ariane 5 launch

nbn's Sky Muster™ II removed from protective shipping container in the Spaceport’s S5 payload preparation facility

Sky Muster™ II is removed from its protective shipping container in the Spaceport’s S5 payload preparation facility, readying this large satellite for pre-launch processing.

The Sky Muster™ II high-performance broadband satellite has begun its pre-launch preparations, initiating a process leading to this large spacecraft’s orbiting in October on an Arianespace dual-passenger Ariane 5 mission from French Guiana.

Fit-check validation underway for Flight VA231’s Sky Muster™ II payload

During activity at the Spaceport, Sky Muster™ II undergoes its fit-check with the payload adapter that will provide the interface when integrated on Ariane 5.

Built by SSL (Space Systems Loral) for Australia’s national broadband network (nbn™), Sky Muster II is in the Spaceport’s S5 payload processing facility, where it underwent a fit-check with the adapter that will serve as the interface when integrated with Ariane 5.

As with nbn’s first Sky Muster satellite – which was launched in September 2015 on another Ariane 5 flight – Sky Muster II is a Ka-band, high-throughput broadband satellite. It will utilize advanced-design multiple spot beams to optimize bandwidth for Australia’s widely-distributed population.

The two Sky Muster relay platforms are designed to deliver nbn’s advanced services for some of the most difficult to reach citizens in Australia, from mainland Australia and Tasmania to the offshore islands.

SSL’s 1300 spacecraft platform for Sky Muster II

Sky Muster II is based on SSL’s 1300 spacecraft platform, and will have a liftoff mass of approximately 6,400 kg. for October’s Ariane 5 mission, which is designated Flight VA231 in the Arianespace launcher family numbering system.

The co-passenger with Sky Muster II on Flight VA231 will be India’s GSAT-18 telecommunications satellite, developed by the Indian Space Research Organisation (ISRO). With a liftoff mass in the 3,400-kg. category, GSAT-18 continues India’s long history of launching its payloads on Ariane vehicles, which dates back to 1981.

Quelle: arianespace

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Update: 14.09.2016

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Quelle: arianespace

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Update: 20.09.2016

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Parallel launcher and payload preparations put Ariane 5 on track for next month’s mission

Parallel preparations for Arianespace Flight VA231’s Ariane 5 launcher, plus the Sky Muster II and GSAT-18 payloads

Riding atop a mobile launch table, Ariane 5 is shown at left during its transfer from the Spaceport’s Launcher Integration Building to its Final Assembly Building; while Sky Muster II and GSAT-18 undergo their separate fueling processes inside the S5 payload preparation facility (photos at center and right).

Pre-flight activities for Arianespace’s upcoming Ariane 5 mission are ramping up at the Spaceport in French Guiana, with launcher and payload preparations advancing in parallel for the October 4 liftoff. 

In a major milestone reached this month, Ariane 5 was rolled out from the Spaceport’s Launcher Integration Building – where its core cryogenic stage, two solid boosters and cryogenic upper stage were mated – to the Final Assembly Building. This process formally transferred authority for the heavy-lift vehicle to Arianespace from production prime contractor Airbus Safran Launchers.

With Ariane 5 now under Arianespace’s responsibility, the launcher is in position to receive its two passengers: the Sky Muster II and GSAT-18 telecommunications satellites, both of which were fueled earlier this month inside the Spaceport’s S5 payload preparation facility.

The October 4 mission with Ariane 5 is designated Flight VA231 in Arianespace’s numbering system, and it will deliver the two spacecraft to geostationary transfer orbit.

Two telecommunications payloads, one launcher

Built by SSL (Space Systems Loral) for the Australian national broadband network (nbn™), Sky Muster II will utilize advanced-design multiple spot beams to help bridge the digital divide for some 400,000 homes and businesses in regional and remote areas of the country.

Sky Muster II is one of the world’s largest communications platforms with a liftoff mass estimated at 6,400 kg. Its launch follows the orbiting of nbn’s first Sky Muster satellite on an Arianespace Ariane 5 mission performed in September 2015.

Flight VA231’s second passenger – GSAT-18 – is a 3,400-kg.-category telecommunications spacecraft developed by the Indian Space Research Organisation (ISRO). Once in orbit, it will serve as a replacement for operational satellites that currently provide key national services in multiple frequency bands – to be joined by GSAT-17, which will be orbited on a future Ariane 5 mission from the Spaceport in French Guiana.

Quelle: arianespace

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Update: 27.09.2016

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Kommunikationssatellite GSAT-18 von ISRO auf Ariane-V-VA231 plaziert

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Quelle: CNES

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Update: 30.09.2016

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ARIANESPACE FLIGHT VA231
Sky Muster™ II and GSAT-18

For its eighth mission of 2016, and the year’s fifth Ariane 5 launch from the Guiana Space Center in French Guiana, Arianespace will orbit two satellites: Sky MusterTM II for the Australian operator nbn (National Broadband Network), and GSAT-18 for the Indian space agency ISRO (Indian Space Research Organization).

Sky MusterTM II and GSAT-18 will be the 542nd and 543rd satellites to be launched by Ari-anespace.
This Ariane 5 flight will be the 280th mission performed by the Arianespace launcher family.

The launch will be from Ariane Launch Complex No. 3 (ELA 3) in Kourou, French Guiana.

 

 

Liftoff is planned on Tuesday, October 4, 2016 as early as possible within the following launch window:

Between 05:30 pm. and 06:45 pm., Kourou time
Between 04:30 pm. and 05:45 pm., Washington D.C. time
Between 20:30 pm. and 21:45 pm., Universal Time (UTC)
Between 10:30 pm. and 11:45 am., Paris time
Between 2 00 am. and 3:15 am., Bangalore, India time on October 5
Between 6.00 am. and 7:45 am., Sydney, Australia time on October 5.
 

Webcast starts 15 minutes before. You can also watch the video transmission live on your iPad, iPhone or Android 4+ devices, the Arianespace HD App is available for free. Follow the lauch live: www.arianespace.com


 Quelle: arianespace

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Update: 1.10.2016

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Arianespace integrates Sky Muster™ II and GSAT-18 for its upcoming Ariane 5 launch

Ariane 5 Flight VA231 payload integration

The final payload integration process for Arianespace Flight VA231 is highlighted in this photo series. At left, GSAT-18 is installed atop Ariane 5’s core stage inside the Spaceport’s Final Assembly Building. At center and right, Ariane 5’s payload fairing containing the Sky Muster™ II satellite is moved into position and then lowered over GSAT-18.

The Ariane 5 for Arianespace’s eighth mission of 2016 is now fully assembled following this week’s integration of its two satellite passengers at the Spaceport in French Guiana. 

During activity in Ariane 5’s Final Assembly Building, the upper payload component – containing Sky Muster™ II, mounted on its SYLDA dispenser system and protected by an ogive-shaped fairing – was lowered into position over GSAT-18, which was previously installed atop the launcher’s central core.

This step clears the way for final checkout, which will enable the launch readiness review to be conducted on September 30, followed by Ariane 5’s rollout to the Spaceport’s ELA-3 launch zone the following Monday, and an early evening liftoff on Tuesday, October 4.

The upcoming mission is designated Flight VA231 in Arianespace’s numbering system, and it will deliver the two telecommunications payloads into geostationary transfer orbit.

An Ariane 5 mission for Australia and India

To be deployed first during the 32-minute flight sequence is Sky Muster™ II, which was produced by SSL (Space Systems Loral) for Australian operator nbn™. Carrying Ka-band transponders and with a liftoff mass estimated at 6,400 kg., the satellite will help extend high-speed internet across Australia – including the Norfolk, Christmas, Macquarie and Cocos islands.

Ariane 5’s second passenger – GSAT-18 – is a 3,400-kg.-category spacecraft developed by the Indian Space Research Organisation (ISRO), with 12 transponders in Ku-band and another 24 in C-band. Once in orbit, it will provide telecommunications services for India – strengthening ISRO’s current fleet of 14 operational satellites.

Flight VA231 will mark Arianespace’s eighth of 11 missions targeted in 2016, and is the company’s fifth this year using an Ariane 5 – which is one of three launch vehicles operated by Arianespace at the Spaceport, along with the medium-lift Soyuz and light-lift Vega.

Quelle: arianespace

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Update: 4.10.2016

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Ariane 5 reaches the launch zone for Arianespace’s October 4 liftoff

Ariane 5 is in the Spaceport’s ELA-3 launch zone

The heavy-lift Ariane 5 with its Sky Muster™ II and GSAT-18 payloads approaches the Spaceport’s ELA-3 launch zone during today’s rollout.

Arianespace has delivered another Ariane 5 to the launch zone at Europe’s Spaceport in French Guiana, clearing the way for tomorrow's heavy-lift mission with a pair of telecommunications satellites: Sky Muster™ II and GSAT-18.

Riding atop a mobile launch table, Ariane 5 today completed its transfer from the Spaceport’s Final Assembly Building – where payload integration occurred – to the dedicated ELA-3 launch complex. With this rollout completed, the final countdown will begin for an October 4 liftoff at the start of a 1-hr., 15-min. launch window opening at 5:30 p.m. local time in French Guiana.

Tomorrow’s mission is designated Flight VA231, and it has an estimated payload performance of 10,660 kg. – a total that factors in Sky Muster™ II and GSAT-18, plus the dual-satellite dispenser system and integration hardware. Both passengers are to be deployed to geostationary transfer orbit during a 32-min. flight sequence.

Arianespace supports Australian and Indian customers 

Sky Muster™ II is the mission’s upper passenger and will be released first in the flight sequence at 28 min. after liftoff. Produced by SSL (Space Systems Loral) for operator nbn™, it will help extend high-speed internet across Australia, including the country’s rural and isolated regions.

To be deployed from Ariane 5’s lower passenger position is GSAT-18, which was built by the Indian Space Research Organisation (ISRO) to strengthen its current fleet of 14 operational telecommunications satellites. This spacecraft’s separation will occur approximately 32 min. after liftoff – completing the October 4 mission.

As the fifth heavy-lift Ariane 5 flight so far in 2016, tomorrow’s launch will continue a busy year of mission activity for Arianespace’s full family of launchers, which also has included two flights performed with the medium-lift Soyuz and one using the lightweight Vega.

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Quelle: arianespace

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Update: 20.45 MESZ

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FLIGHT VA231 – Sky MusterTM II and GSAT-18:
DELAYED 24 HOURS DUE TO WEATHER CONDITIONS

Due to the unfavorable weather conditions currently observed over the Guiana Space Center in Kourou, Ari-anespace has decided to delay the launch – planned for October 4, 2016 – by 24 hours. Flight VA231 will place into geostationary transfer orbit the Sky MusterTM II and GSAT-18 telecommunications satellites.

As the weather forecast for tomorrow is favorable, the liftoff of the Ariane 5 is now planned for Wednesday, October 5, 2016, as early as possible within the following launch window:
> Between 05:30 p.m. and 06:45 p.m., Kourou time
> Between 04:30 p.m. and 05:45 p.m., Washington D.C. time
> Between 20:30. and 21:45, Universal Time (UTC)
> Between 10:30 p.m. and 11:45 p.m., Paris time
> Between 2:00 a.m. and 3:15 a.m., Bangalore, India time on October 6
> Between 7:30 a.m. and 8:45 a.m., Sydney, Australia time on October 6.

The launcher, with its Sky MusterTM II and GSAT-18 satellite payloads, remains in a safe standby condition.

Quelle: arianespace

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Update: 5.10.2016

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Update: 21.45 MESZ

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Quelle: arianespace

 

 

 

 

 

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