European small geostationary communications satellites |
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| Authors: | Dr Wei Sun Frank Ellmers Andreas Winkler Herbert Schuff Manuel Julián Sansegundo Chamarro |
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| Institution: | 1. OHB-System AG, Bremen, D-28359, Germany;2. AUDENS Telecommunications Consulting GmbH, Starnberg, D-82319, Germany;3. Hispasat, Spain;1. University of Liège, Department of Aerospace and Mechanical Engineering, Space Structures and Systems Laboratory, Quartier Polytech 1, Allée de la Découverte 9, Liège B-4000, Belgium;2. Centre Spatial de Liège, LIEGE Science Park, Avenue du Pré-Aily, B-4031 Angleur, Belgium;3. University of Liège, Department of Aerospace and Mechanical Engineering, Quartier Polytech 1, Allée de la Découverte 9, Liège B-4000, Belgium;1. School of Astronautics, Beihang University, Beijing, 100191, China;2. Beijing Institute of Spacecraft Environment Engineering, Beijing, 100094, China;3. Key Laboratory of Spacecraft Design Optimization and Dynamic Simulation Technologies, Ministry of Education, Beijing, 100091, China |
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| Abstract: | Hispasat Advanced Generation 1 (HAG1) is the first satellite using the SGEO platform, which is under the development in the ESA Artes-11 program. Since the last presentation in the IAC 2007, a European industrial consortium led by OHB has completed the mission and spacecraft design. The platform Preliminary Design Review has been carried out in May 2008. The customer for the first mission is a commercial operator—Hispasat. The contract was signed in December 2008 and the satellite will be launched in 2012. To give confidence to the customer, SGEO platform will use up to date flight proven technologies. HAG1 carries 20/24 Ku-band and 3/5 Ka-band transponders to provide commercial services. Some innovative payload technologies will also be flown on board of HAG1 to gain in-orbit heritage. SGEO has also been selected as the baseline platform for the ESA Data Relay Satellite (EDRS). Phase-A study has just kicked off in January 2009. The targeted launch date is 2013. Heinrich Hertz will also use the SGEO platform. Heinrich Hertz is funded by the German Space Agency (DLR) and provides flight opportunities for technologies and components developed by the German Space Industry. With the HAG1 contract in hand, and EDRS and Heinrich Hertz in the line, OHB with its partners has the confidence that it will be able to speed up the product development of the SGEO platform for potential customers in the commercial market. This paper will first present the updated platform design and the status of the product development will be followed with the introduction of innovative payload technologies on board the first mission—HAG1 and ended with the mission concepts of EDRS and Heinrich Hertz missions. |
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