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Autor Thema: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou  (Gelesen 8686 mal)

H.J.Kemm

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Moin,

wie bereits vermutet, gibt ARIANESPACE unmittelbar nach dem geglückten Start den Termin der nächsten Mission bekannt:

Nr. 28  Ariane 5ECA (533/V.173) mit DIRECTV 9S, Optus D1 und LDREX  am 19. September 2006 von Kouroe / ELA 3

Na denn!

Jerry
« Letzte Änderung: 20. Oktober 2006, 02:48:46 von H.J.Kemm »

H.J.Kemm

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #1 am: 14. August 2006, 18:18:29 »
Moin,

hier >>>>>
gibt es verschiedene Videoclips von ARIANESPACE über die letzte Mission ( Previous Launch ).


Jerry
« Letzte Änderung: 14. August 2006, 18:20:03 von H.J.Kemm »

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #2 am: 18. August 2006, 12:44:45 »
Der erste Satellit ist eingetroffen, DIRECTV 9S soll nun noch die letzten Tests durchlaufen und dann wird er mitte September ins All geschossen.
 


August 17, 2006
Satellite check-out begins for Arianespace's next multiple-payload Ariane 5 mission
Preparations for Arianespace's mid-September Ariane 5 ECA flight have moved into a new phase with the arrival this week of the mission's first payload: the DIRECTV 9S television relay spacecraft for DIRECTV of the U.S.
The Space Systems/Loral-built satellite arrived in French Guiana yesterday, touching down at Cayenne's Rochambeau International Airport aboard a chartered Antonov An-125 cargo airlifter. DIRECTV 9S was transferred to Europe's Spaceport, where the spacecraft was removed from its special shipping container inside the S5 satellite preparation building's clean room facility.
This payload will be launched on the next heavy-lift Ariane 5 along with the Optus D1 telecommunications/broadcast satellite for Australia's Optus. Joining these two primary passengers will be the LDREX deployable satellite antenna demonstrator for JAXA (the Japan Aerospace Exploration Agency).
Arianespace has performed three Ariane 5 flights so far in 2006, placing a total of six satellite payloads into accurate geostationary transfer orbits this year. The most recent was on August 11, when a heavy-lift Ariane 5 orbited Japan's JCSAT-10 commercial telecommunications spacecraft and the French Syracuse 3B military relay platform.


paygar
« Letzte Änderung: 18. August 2006, 12:45:02 von paygar »
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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #3 am: 23. August 2006, 17:04:01 »
News von Optus D1, der jetzt auch nach Kourou gebracht wurden.
        
Orbital ships Optus D1 satellite to launch site
ORBITAL NEWS RELEASE
Posted: August 22, 2006
Orbital Sciences Corporation announced today that the company-built Optus D1 geosynchronous (GEO) communications satellite has been delivered to the space launch complex in Kourou, French Guiana, where it is scheduled to be launched aboard an Arianespace Ariane 5 rocket in September. The Optus D1 satellite is the first of two high-power satellites that Orbital is building for Optus Networks of Australia. The second satellite, Optus D2, is scheduled for completion and launch in 2007. Both of the Optus satellites are based on Orbital's new STAR 2.4 platform, which can generate nearly five kilowatts of payload power, making them the most powerful commercial communications satellites that Orbital has produced. The Optus program's design, manufacturing and testing activities are being carried out at Orbital's state-of-the-art satellite production facility in Dulles, Virginia.
"We are looking forward to launching, testing and commissioning the new D1 satellite for Optus," said Dr. Ali Atia, head of Orbital's GEO satellite business unit. "The STAR satellite platform has evolved to higher power and more complex payload capabilities in a careful and deliberate fashion over the past couple of years. We are now able to offer customers a wider selection of standard platforms, from our classic two kilowatt payload power small satellites to the high-end of the small range at about five kilowatts payload power. All of these STAR models use proven technology and offer reliable performance at attractive prices and are delivered, on average, in a 24-month timeframe."
Over the next several weeks, a team of engineers from Optus, Arianespace and Orbital will work together to integrate the satellite with the launch vehicle and perform an extensive series of tests and inspections to ensure that the combined systems of the satellite and rocket are working properly.
Orbital is one of the leading suppliers of GEO communications satellites, which are based on the STAR family of smaller GEO satellite platforms and are capable of accommodating most types of commercial communications payloads. For many applications, the STAR design is an attractive alternative to the larger, more costly GEO satellites offered by other industry suppliers. STAR satellites are smaller and significantly less expensive to manufacture and launch, making them a perfect fit for customers in the early stages of building their business or for established companies that wish to replace or add capacity to their network.
Customer demand for Orbital's STAR GEO satellites has been robust over the past several years. In 2005 and early 2006, Orbital received orders for STAR satellites from U.S.-based PanAmSat, the Horizons joint venture between JSAT of Japan and PanAmSat, Telenor of Norway, Measat of Malaysia and SES Americom of the U.S. Including the Optus D1 spacecraft, Orbital is now in varying stages of design, manufacturing and testing of eight commercial GEO satellites that will be launched over the next two years.
Orbital develops and manufactures small rockets and space systems for commercial, military and civil government customers. The company's primary products are satellites and launch vehicles, including low-orbit, geosynchronous-orbit and planetary spacecraft for communications, remote sensing, scientific and defense missions; ground- and air-launched rockets that deliver satellites into orbit; and missile defense systems that are used as interceptor and target vehicles. Orbital also offers space-related technical services to government agencies and develops and builds satellite-based transportation management systems for public transit agencies and private vehicle fleet operators.


paygar
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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #4 am: 23. August 2006, 20:48:58 »
Hier jetzt die offizielle Meldung von Arianespace.com



August 22, 2006
Optus D1 arrives at the Spaceport for its upcoming Ariane 5 launch
The second primary payload for Arianespace’s heavy-lift Ariane 5 flight in September is now at the Spaceport.
Australia’s Optus D1 satellite arrived in French Guiana aboard a Boeing 747 cargo jetliner and was transferred from Cayenne’s Rochambeau International Airport to the Spaceport – where it was removed from the protective shipping container inside the S5 spacecraft preparation facility.
After an initial verification, Optus D1 made its first contact with Ariane 5 hardware when the satellite was lowered onto the cone-shaped adapter that will serve as the interface between the payload and the launch vehicle.
Optus D1 was built by U.S. satellite manufacturer Orbital Sciences Corporation, and is the first of Optus’ D-series spacecraft to be launched. It will provide fixed communication and broadcasting satellite services with geographical coverage of Australia and New Zealand.
For next month’s Ariane 5 ECA mission, Optus D1 will be launched along with the DIRECTV 9S television relay spacecraft for DIRECTV of the United States.
Also joining these two primary payloads will be the LDREX-2 deployable satellite antenna demonstrator for JAXA (the Japan Aerospace Exploration Agency), which is carried as an auxiliary passenger on Ariane 5.


Und noch ein Link zum Hersteller des Satelliten.
http://orbital.com/Template.php?Section=News&NavMenuID=32&template=PressReleaseDisplay.php&PressReleaseID=568

paygar
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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #5 am: 23. August 2006, 23:18:12 »
Wie von Jerry gewünscht,
hier noch ein paar Informationen zur dritten Nutzlast, einem Testprojekt der JAXA. Mit ihm soll getestet werden ob die neuen Antennen von ETS-VIII (einem Satelliten der noch in diesem Jahr gestartet werden soll) funktionieren.
 
August 12, 2006 (JST)
Launch Schedule of Large Deployable Reflector Small-sized Partial Model 2 (LDREX-2)
The Japan Aerospace Exploration Agency (JAXA) would like to announce that, today, we were informed by Arianespace that the launch schedule of the launch vehicle that will carry our Large Deployable Reflector Small-sized Partial Model 2 (LDREX-2) had been set as follows.
JAXA has been planning a deployment experiment of a small-sized partial model of the LDR, the LDREX-2, which is scheduled to be launched by Ariane 5. The experiment aims at verifying the performance of the LDR, which is one of the onboard mission equipment of our satellite, the Engineering Test Satellite VIII (ETS-VIII.) The ETS-VIII is scheduled to be launched in Japan Fiscal Year 2006.
 
Launch Date      :      September 20, 2006 (Japan Standard Time)
Launch Site        :      Kourou Launch Site in French Guiana, South America
 
Overview of the LDREX-2
Number of modules                  7 modules (The LDR has 14 modules.)
Size of the modules                   1/2 of the LDR
Mass                                         211kg (excluding payload adapter and cameras)
On-orbit experiment duration      about 45 minutes
Data acquisition                     Images (moving images from two angles every two seconds), Telemetry (44ch)
Launch vehicle                             Ariane 5 ECA
Launch Configuration                  Piggyback with two main geostationary satellites





Hier noch der Link zu ETS-VIII
http://www.jaxa.jp/missions/projects/sat/tsushin/ets8/index_e.html

paygar
« Letzte Änderung: 23. August 2006, 23:18:56 von paygar »
"To invent an airplane is nothing. To build one is something. But to fly is everything." --Otto Lilienthal

jps-fan

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #6 am: 24. August 2006, 09:31:51 »
Bei den letzten <Ariane 5> Starts wurde die Doppelstartvorreichtung <Sylda 5> eingesetzt. Jetzt werden aber 3 Nutzlasten transportiert und ausgesetzt. Schafft das <Sylda 5> oder gibt es hierfür eine neue Variante bzw. kommt <Speltra> zu Einsatz mit dem größeren Volumen von ~ 100 cbm.
Wie ist die Aussetzreihenfolge eigentlich und wie geschieht das?

jps

Offline paygar

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #7 am: 25. August 2006, 02:56:54 »
DirectTV 9S ist bereit zum Start.



August 24, 2006
DIRECTV 9S is readied for Arianespace's mid-September Ariane 5 launch
The larger of Ariane 5's two primary payloads for its mid-September mission has made initial contact with launcher hardware as the DIRECTV 9S broadcast satellite undergoes preflight checkout at the Spaceport in French Guiana.
During the spacecraft's preparation activity, DIRECTV 9S was temporarily installed atop the cone-shaped adapter unit that is to serve as its interface with the Ariane 5 launcher. This "fit check" ensures a perfect match-up of the satellite with its adapter before DIRECTV 9S is filled with its on-board propellant. Once the fueling process is completed, DIRECTV 9S will be definitively mated to the adapter unit, and then integrated atop Ariane 5.
Built by Space Systems/Loral, DIRECTV 9S will have a liftoff mass of about 5,500 kg., and is to be installed in the upper passenger position on Ariane 5's payload "stack." Once in orbit, it will join the satellite constellation of DIRECTV, the U.S. digital television service provider that serves more than 15.5 million customers.
DIRECTV 9S will be orbited along with Australia's Optus D1 telecommunications satellite, which was built in the U.S. by Orbital Sciences Corporation of Virginia.
Accompanying these two primary payloads on the September Ariane 5 flight will be LDREX-2, a deployable satellite antenna demonstrator for JAXA (the Japan Aerospace Exploration Agency), which is riding as an auxiliary payload.


paygar
"To invent an airplane is nothing. To build one is something. But to fly is everything." --Otto Lilienthal

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #8 am: 03. September 2006, 00:51:38 »
LDREX-2 wurde jetzt auf dem Nutzlastaddapter befestigt und ist somit zum Start bereit. Es ist übrigens die zweite LDREX Payload, LDREX-1 wurde im Dezember 2000 mit einer Ariane 5 in den Orbit gebracht.
Die Leute von Arianespace haben wohl ne neue Digicam.  ;) Die Bilder sind diesmal in so hoher Auflösung das ich sie nicht so groß posten will, wer sie sich trotzdem so anschauen will. Hier ist der Link:
http://www.arianespace.com/site/news/mission_up_333.html


LDREX-2 is lowered onto its two mounting points on the ASAP platform.


This overhead view of the ASAP platform shows LDREX-2, at left, and its two associated electronic boxes, to the right.

August 31, 2006
Ariane 5 is fitted with its Japanese "piggyback" payload
A Japanese auxiliary payload for Ariane 5's next mission has been integrated with its launch vehicle hardware as preparations continue for Arianespace's upcoming heavy-lift flight.
Developed by the Japan Aerospace Exploration Agency (JAXA), the LDREX-2 antenna demonstrator was installed on a ring-shaped platform designed to accommodate small supplemental payloads for Ariane 5 missions. This integration activity with the ASAP platform (Ariane Structure for Auxiliary Payloads) took place in the integration hall clean-room area that is part of the Ariane 5's Final Assembly Building at Europe's Spaceport.
LDREX-2 is designed to validate the deployment process for a large, lightweight antenna reflector that will be used on Japan's ETS-8 engineering test satellite.
The LDREX-2 is a 1/25th scale version of the full-size ETS-8 antenna, and the demonstrator will have a diameter of 6 meters when fully deployed during the Ariane 5 mission. In its stowed configuration on the ASAP platform, the auxiliary payload is 1.9 meters long and 60 centimeters wide.
Marie-Anne Luron, Arianespace's project manager for the LDREX-2 payload, said the subscale antenna reflector will deploy during the Ariane 5 mission in a multi-step process that takes approximately 45 minutes. The process will be commanded by Ariane 5's flight guidance and sequencing system, and data from the antenna's deployment is to be downlinked in real time to the tracking station in Malindi, Kenya.
The LDREX-2/ASAP combination will be at the base of the Ariane 5's payload "stack," and the deployment will occur after the separation of the mission's two primary passengers: Australia's Optus D1 telecommunications satellite, and the DIRECTV 9S television broadcast spacecraft for DIRECTV of the United States.
LDREX-2 occupies four of the eight mounting positions that are available on Ariane 5's ASAP platform: two are used for the antenna structure, while two more are filled by a pair of accompanying electronic units.
Once its deployment sequence is complete, LDREX-2 will be ejected from Ariane 5's upper stage, remaining in orbit for a period of time before the lightweight structure burns up in the atmosphere on reentry.
This is the second time that Arianespace has flown an LDREX experiment for the Japan Aerospace Exploration Agency. The initial antenna demonstrator was carried by an Ariane 5 in December 2000.


paygar
"To invent an airplane is nothing. To build one is something. But to fly is everything." --Otto Lilienthal

Offline roger50

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #9 am: 08. September 2006, 18:41:27 »
Arianespace ist ja immer sehr zurückhaltend mit den Angaben zu ihren Startterminen, aber offenbar gibt's bei den Vorbereitungen für den nächsten Flug ein paar Probleme. Bisher his es immer "Mid September", wobei inoffiziell der 19.9. genannt wurde. Seit gestern ist auf der Homepage aber zu lesen: "Late September". :-/

Leider wird nicht gesagt, ob es am Träger oder den Satelliten liegt.

roger50

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #10 am: 09. September 2006, 16:02:32 »
Also der Start ist wohl jetzt offiziell auf Ende September verschoben, die JAXA hat schon eine Nachricht erhalten.
Trotzdem gehen die Startvorbereitungen weiter, Optus D1 ist jetzt fertig zum Start.


Optus D1 is one of two U.S.-built satellites to be orbited on Ariane 5's next mission.

September 7, 2006
Ariane 5 will launch two U.S.-built payloads on its next heavy-lift mission
Arianespace's upcoming Ariane 5 mission will carry a dual payload that symbolizes the company's long-time relationship with U.S. satellite operators and manufacturers.
This heavy-lift launch will orbit a Space Systems/Loral-built broadcast satellite for the delivery of U.S. television programming, along with the Optus D1 telecom satellite, manufactured by Orbital Sciences Corp. for Australia's Optus.
"U.S. satellite manufacturers and telecommunications operators have represented an important part of Arianespace's business from the very start," explained Clayton Mowry, president of the Washington, D.C.-based Arianespace, Inc. affiliate. "These clients appreciate the quality of our service, the capacity offered with Ariane's launch cadence and dual-payload manifesting, as well as our willingness to innovate to meet the industry's changing needs."
For the upcoming Ariane 5 launch - which is now targeted for late September - the television broadcast satellite will be the larger of the two primary payloads, with a liftoff mass of about 5,500 kg. It was built by Space Systems/Loral in Palo Alto, California, and will be installed in the upper passenger position on Ariane 5's payload "stack."
To date, a total of 32 Space Systems/Loral satellites have been booked with Arianespace, with 30 of them already launched.
The accompanying Optus D1 spacecraft will be integrated in Ariane 5's lower payload slot, and is to weigh approximately 2,350 kg. for liftoff. Produced at Orbital Sciences Corporation's facility in Dulles, Virginia, Optus D1 is based on the company's successful STAR series of smaller-sized spacecraft.
Arianespace has lofted 10 Orbital Sciences Corp. satellites out of 12 signed for its commercial launch services.
U.S. customers have relied on Arianespace launch services from the company's origins. Its first commercial contract was signed in 1981 with GTE Spacenet for the Spacenet 1 telecommunications satellite. This RCA Astro-built payload was orbited on Arianespace's maiden flight, performed in May 1984 with an Ariane 1 vehicle.


paygar
"To invent an airplane is nothing. To build one is something. But to fly is everything." --Otto Lilienthal

Offline MSSpace

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #11 am: 13. September 2006, 12:45:06 »
Hat eigentlich mal einer was vom genauen aktuellen Starttermin oder vom Grund der Verschiebungen (auf Grund von Problemen??) gehört? Auf der ESA Seite wurde das Datum jetzt von "Mid-September" auf "late-September" verlegt. Wundert mich nur, dass man nichts genaues hört, oder?
« Letzte Änderung: 13. September 2006, 12:46:33 von MSSpace »
Der Preis der Freiheit ist ewige Wachsamkeit!

SSRMS, EVA und SARJ???  Hier hilft das Abkürzungsverzeichnis!

Offline paygar

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #12 am: 13. September 2006, 19:29:17 »
Laut http://orbireport.com/Schedule.html soll die Ariane am 29. September starten.

paygar
"To invent an airplane is nothing. To build one is something. But to fly is everything." --Otto Lilienthal

Hati

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #13 am: 18. September 2006, 15:10:12 »
Hat jemand den genauen Termin für den Start der nächsten ARIANE 5/ECA?
Im Super-Raumfahrt-Kalender steht noch nzb und auf der hp von ARIANESPACE gibt es darüber leider noch keine Information.

hál wespú, Hati

H.J.Kemm

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #14 am: 20. September 2006, 10:40:20 »
Moin,

auf der hp von *ARIANESPACE* gibt es zwar eine neue Information zum bevorstehenden Start der *Ariane 5/ECA* mit ihren 3 Beiladungen, aber über einen Termin schreiben die wieder nichts.

Jerry

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #15 am: 20. September 2006, 12:44:36 »
Start jetzt wohl erst im Oktober, Zitat Arianespace-Webcast:

"Next mission:

Launch Date: October, 2006

Launcher version: Ariane 5 ECA

Payloads: DIRECTV 9S, Optus D1 and LDREX-2"

viele Grüße Michiru

H.J.Kemm

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #16 am: 22. September 2006, 13:30:29 »
Moin,

*ARIANESPACE* hat soeben den neuen Termin bekanntgegeben:  The October 12 mission will be Arianespace's fourth Ariane 5 launch of 2006, and also will carry the Japanese LDREX-2 auxiliary payload - which will demonstrate the deployment sequence for a satellite communications antenna.

Jerry

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #17 am: 22. September 2006, 17:07:52 »
Gibts eigentlich irgendwo einen Grund für die Verschiebung? Technische Probleme???  :-?
Der Preis der Freiheit ist ewige Wachsamkeit!

SSRMS, EVA und SARJ???  Hier hilft das Abkürzungsverzeichnis!

H.J.Kemm

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #18 am: 22. September 2006, 17:17:41 »
Moin MSSpace,

das hätte ich auch gern gewußt, aber etwas Konkretes wurde nicht bekanntgegeben.

Jerry

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #19 am: 30. September 2006, 09:56:51 »
Habe gerade ein schönes Bild von einer Ariane V in der Abenddämmerung in der ESA-Multimediagalerie gefunden:



Die Aufnahme ist von Ende August 2002.

Quelle:
http://www.esa.int/esa-mmg/mmg.pl?b=b&type=I&single=y&start=7&size=b

Offline tobi

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #20 am: 30. September 2006, 10:02:49 »
Ich habe gerade gesehen, dass die genauen Daten des Startfensters jetzt auf der Homepage von Arianespace stehen:
Der Start findet am 12. Oktober zwischen 22:56 und 23:56 MEZ statt.

Link:
http://www.arianespace.com/site/launchstatus/status_sub_index.html
« Letzte Änderung: 30. September 2006, 10:03:19 von tobi453 »

Offline paygar

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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #21 am: 30. September 2006, 15:03:33 »
Hi,
So und da jetzt der Starttermin verschoben wurde hier noch ein paar News zur Nutzlast. LDREX 2 wurde auf der Ariane 5 installiert und nimmt auf der ASAP Plattform (Ariane Structure for Auxiliary Payloads) vier von acht Plätzen ein, da wär also noch Platz gewesen.


The ASAP platform with its LDREX-2 auxiliary payload is lowered onto Ariane 5 in the Final Assembly Building.

September 19, 2006
Final integration begins for the next heavy-lift Ariane 5 flight
The Ariane 5 for Arianespace's upcoming heavy-lift mission has moved to the Final Assembly Building, clearing the way for integration of its three-element payload at Europe's Spaceport in French Guiana.
Ariane 5's transfer occurred last Friday, when the vehicle rolled from the Launcher Integration Building (where it underwent the initial build-up) to the final assembly facility.
This activity was followed by yesterday's installation of the ASAP platform (Ariane Structure for Auxiliary Payloads) atop Ariane 5, complete with its Japanese LDREX-2 "piggyback" payload. The ASAP platform is designed to accommodate small secondary payloads on Ariane 5 missions, and is fitted with the LDREX-2 antenna demonstrator for the Japan Aerospace Exploration Agency (JAXA).
During the next flight, Ariane 5 will deploy its two primary passengers – Australia's Optus D1 telecommunications satellite, and the U.S. DIRECTV 9S broadcast spacecraft for DIRECTV – followed by the unfurling of LDREX-2, which is a 1/25th scale version of the full-size antenna for Japan's ETS-8 engineering test satellite.
The LDREX-2 payload occupies four of the eight mounting positions available on Ariane 5's ASAP platform: two are used for the Japanese antenna structure itself, while two more are filled by a pair of accompanying electronic units.
Arianespace's upcoming Ariane 5 mission will be the company's fourth launch of 2006. The previous flights orbited six primary satellite payloads through August – more than both of its competitors combined.


paygar
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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #22 am: 30. September 2006, 15:20:51 »
Und auch die Nutzlast der Australier, Optus D1 wurde jetzt mit Treibstoff gefüllt und ist somit bereit zum Start.


Optus D1 is fueled in the S5B hall.

September 21, 2006
Optus D1 is fueled for its upcoming launch on Ariane 5
Preparations of the dual-satellite payload for Ariane 5's mission are in full swing at the Spaceport in French Guiana, with the Optus D1 satellite completing its propellant loading process.
The spacecraft was fueled this week in the S5B hall of the Spaceport's large S5 payload preparation facility, marking another milestone leading to the liftoff of Ariane 5 on October 12.
Optus D1 is the first of the D-series telecommunications spacecraft to be launched for Australia's Optus, and will provide fixed communications and broadcasting satellite services with geographical coverage of Australia and New Zealand.
Built by Orbital Sciences Corporation in Dulles, Virginia, the satellite will weigh approximately 2,350 kg. at liftoff. It will be joined by the 5,500-kg. DIRECTV 9S television broadcast satellite for DIRECTV of the United States.
The October 12 mission will be Arianespace's fourth Ariane 5 launch of 2006, and also will carry the Japanese LDREX-2 auxiliary payload - which will demonstrate the deployment sequence for a satellite communications antenna.


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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #23 am: 30. September 2006, 15:23:30 »
Und auch DIRECTV-9S wurde betankt und ist bereit zur Integration in die Nutzlastverkleidung der Rakete.
Damit sind alle Nutzlasten bereit.


DIRECTV 9S undergoes its bipropellant fueling in the S5 hall.

September 27, 2006
The DIRECTV 9S satellite is fueled at the Spaceport
The intricate fueling process for both primary payloads on Ariane 5's upcoming mission has now been completed in the state-of-the-art S5 satellite processing facility at Europe's Spaceport in French Guiana.
DIRECTV 9S - the larger of Ariane 5's two passengers - was "topped off" with its bipropellant load yesterday in the S5A hall of the massive S5 building. This follows last week's fueling of the Optus D1 spacecraft in the adjacent S5B high bay.
The S5 building is composed of three primary preparation halls (S5A, S5B and S5C), all of which are internal connected by corridors. This allows multiple payloads to simultaneously undergo their full preparation process, from initial checkout to fueling and final pre-launch validation, under one roof in and in clean room conditions.
DIRECTV 9S was built by Space Systems/Loral in Palo Alto, California, and will have a liftoff mass of about 5,500 kg. It will ride in the upper passenger position on Ariane 5's payload "stack," and once in orbit, is to join the satellite constellation of DIRECTV - the U.S. digital television service provider that serves more than 15.5 million customers.
Accompanying DIRECTV 9S on Ariane 5's October 12 mission will be the Optus D1 telecommunications satellite for Australia's Optus, which was produced in the U.S. by Orbital Sciences Corporation of Virginia.
Also included on Ariane 5's upcoming mission is the LDREX-2, a deployable satellite antenna demonstrator for JAXA (the Japan Aerospace Exploration Agency), which is riding as an auxiliary payload. LDREX-2 will demonstrate the deployment sequence for a satellite communications antenna, and is to have a diameter of 6 meters when fully unfurled.


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Re: DirecTV 9S, Optus D1 & LDREX auf Ariane 5 ECA 533 V173 von Kourou
« Antwort #24 am: 03. Oktober 2006, 13:26:48 »
Neue Informationen von Arianespace und eine Frage von mir, der Ariane-Thread hat ja jetzt auch fast zehn Seiten und es wird ja noch reichlich Misssionen geben, daher würde ich vorschlagen jeder Ariane Misssion einen eigenen Thread zu geben.

DirecTV-9S wurde jetzt in die Nutzlastaddapter der Ariane 5 ECA eingesetzt, jetzt muss nur noch Optus D1 eingesetzt werden und es kann losgehen.


DIRECTV 9S is lowered onto the SYLDA 5 dispenser in the Ariane 5 Final Assembly building at Europe's Spaceport.

October 2, 2006
DIRECTV 9S is integrated on Ariane 5's multiple payload dispenser
The initial step in integrating Arianespace's dual-satellite payload for its upcoming Ariane 5 mission is now complete at the Spaceport in French Guiana, with DIRECTV 9S installed atop the SYLDA 5 dispenser system.
DIRECTV 9S was mounted on SYLDA 5 during activity in the Ariane 5's Final Assembly Building, where the mating process was performed in clean-room conditions.
The SYLDA 5 dispenser is at the heart of Ariane 5's multiple payload deployment system. It enables DIRECTV 9S to ride in the upper passenger position of Ariane 5's payload "stack" for the October 12 flight, with the smaller Optus 1D satellite positioned below it.
DIRECTV 9S is to be deployed at approximately 27 minutes into the mission. This will be followed about three minutes later by the jettisoning of SYLDA 5, exposing Optus D1 for its release from Ariane 5 at 32 minutes after liftoff.
The DIRECTV 9S television broadcast platform will have an estimated mass at liftoff of 5,535 kg., while Optus D1 will weigh in at 2,299 kg. Once in orbit, DIRECTV 9S will join the spacecraft fleet of U.S. digital television service provider DIRECTV, which serves more than 15.5 million customers. Optus D1 will provide fixed communications and broadcasting satellite services for Australia's Optus, offering geographical coverage of Australia and New Zealand.
Optus D1 and DIRECTV 9S will be accompanied on the Ariane 5 mission by Japan's LDREX-2 auxiliary payload - which will demonstrate the deployment sequence for a large satellite communications antenna. LDREX-2 is to be positioned at the base of Ariane 5's payload "stack," and its activation will occur after the separation of the two primary satellites.


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"To invent an airplane is nothing. To build one is something. But to fly is everything." --Otto Lilienthal