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JAXA Space transportation systems Kiyoshi Higuchi Executive Director Japan Aerospace Exploration Agency （ＪＡＸＡ）
Contents • Line-up of JAXA STS • National Policies • JAXA Vision • Conclusion
Line-up of JAXA STS • H-IIA Launch Vehicle: • Mainstay Launch Vehicle of Japan • H-IIB Launch Vehicle: • Heavy Lift Launch Vehicle (Reinforced H-IIA) • M-V Launch Vehicle : • 3-staged medium-class launch vehicle • All stages are solid rocket motors • H-II Transfer Vehicle (HTV) : • Unmanned inter-orbital cargo transportation vehicle • Able to supply logistics to ISS up to 6 ton • GX Launch Vehicle • Under developing by the private sector 2-staged medium-class launch vehicle (liquid propellant based)
Line-up of JAXA STS H-IIA Launch Vehicle • Performance: GTO 4 ton, LEO 10 ton (approx.) • 6 successful launches and 1 fail, since Aug. 2001 • Solid Rocket Boosters (SRB-As) were improved after the flight malfunction in H-IIA F6 • H-IIA F7 launched in Feb. 2005 and carried a satellite into the scheduled orbit. • To be transfer to the private sector for commercial launch service Main Features
Line-up of JAXA STS H-IIB Launch Vehicle • Performance: GTO 8 ton (approx.) • Development is in progress, aiming flights of HTV (H-II Transfer Vehicle) and commercial payloads Main Features
Line-up of JAXA STS M-V Launch Vehicle • Performance: LEO 1.9 ton (approx.) • Mainly used for launching scientific satellites • 4 successful launches and 1 fail, since Feb. 1997 • Recent flight: M-V F6 launched in July 2005 GX Launch Vehicle • Performance: LEO 4.4 ton , SSO 2.0 ton (approx.) • Under developing by the private sector
Line-up of JAXA STS H-II Transfer Vehicle (HTV) • Unmanned transfer vehicle for ISS • Launched by H-IIB launch vehicle • supply logistics to ISS up to 6 ton (approx.) • First flight is scheduled in 2008 (Fiscal Year).
National Policies • The Basic Strategy(Sep 9,2004) • Council for Science and Technology Policy • (chaired by Prime Minister) • - Significance of Space development and utilization are • Maintaining independence in the global society, • Wide-ranging impact on the socio-economy, and • Contributions to the national pride by undertaking the challenge to explore space as the human frontier. • Space development and utilization is essential as a key technologyfor the sustainable development of Japan. • Our basic policy is to maintain our capability to access to space.
ＪＡＸＡ Vision Vision (1) Contribute to building a secure and prosperous society through the utilization of aerospace technologies Vision (2) Contribute to advance our knowledge of the universe and broaden the horizon of human activity Vision (3) Develop the capability to carry out autonomous space activities through the best technologies in the world Vision (4) Facilitate growth of the space industry with self-sustenance and world class capability Vision (5) Facilitate the growth of aviation industry and aim for technological breakthroughs for future air transportation
JAXA Vision Key message from JAXA Vision related to STS Development of capability for autonomous space activities • Implementation (Up to 10 years): • Maintain and evolve the mainstay launch vehicle by • stable operation of H-IIA • Develop launch vehicles with high reliability able to • carry people safely • Continuous operation of the unmanned cargo • transportation vehicle (HTV) to ISS • Develop inter-orbital transfer vehicles and unmanned • recovery vehicles based on HTV
Conclusion • Maintain our own transportation capability • Promote space exploration in coorporation with international partners as ultimate goal of space development for humankind.
Japan’s Space Related Organizations Cabinet Cabinet Office Council for Science and Technology Policy (CSTP) Ministry of Internal Affairs And Communications National Institute of Information and Communications Technology(NICT) Japan Aerospace Exploration Agency (JAXA) Ministry of Education, Culture, Sports, Science and Technology (MEXT) Space Activities Commission (SAC) Ministry of Agriculture, Forestry and Fisheries Ministry of Economy, Trade and Industry Ministry of Land, Infrastructure and Transport Meteorological Agency Ministry of the Environment
Structure of Japanese Space Policy & Plan NEW The Basic Strategy for Space Development and Utilization Basic Policy of Future Space Activities (decided by CSTP* on Jun,2003) CSTP: Council for Science & Technology Policy, top-level council headed by Prime Minister (revised by CSTP on Sep 9,2004) The Long-term Program for Space Activities (decided by competent ministers on Sep. 30,2003) * not reflected in the revision of CSTP’s Basic Strategy The medium-term plan (Oct. 2003 – Mar. 2008) * not reflected in the revision of CSTP’s Basic Strategy
JAXA Vision Overall Roadmap ▼：Decision by the government