February 2014 Issue 11
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China's Touch on the Moon
commentary China’s touch on the Moon Long Xiao As well as being a milestone in technology, the Chang’e lunar exploration programme establishes China as a contributor to space science. With much still to learn about the Moon, fieldwork beyond Earth’s orbit must be an international effort. hen China’s Chang’e 3 spacecraft geological history of the landing site. touched down on the lunar High-resolution images have shown rocky Wsurface on 14 December 2013, terrain with outcrops of porphyritic basalt, it was the first soft landing on the Moon such as Loong Rock (Fig. 2). Analysis since the Soviet Union’s Luna 24 mission of data collected by the penetrating in 1976. Following on from the decades- Chang’e 3 radar should lead to identification of the old triumphs of the Luna missions and underlying layers of regolith, impact breccia NASA’s Apollo programme, the Chang’e and basalt. lunar exploration programme is leading the China’s robotic field geologist Yutu has charge of a new generation of exploration Basalt outcrop Yutu rover stalled in its traverse of the lunar surface, on the lunar surface. Much like the earlier but plans for the Chang’e 5 sample-return space programmes, the China National mission are moving forward. The primary Space Administration (CNSA) has been objective of the mission will be to return developing its capabilities and technologies 100 m 2 kg of samples from the surface and depths step by step in a series of Chang’e missions UNIVERSITY STATE © NASA/GSFC/ARIZONA of up to 2 m, probably also in the relatively of increasing ambition: orbiting and Figure 1 | The Chinese Chang’e 3 spacecraft and smooth northern Mare Imbrium. -
China Science and Technology Newsletter No. 14
CHINA SCIENCE AND TECHNOLOGY NEWSLETTER Department of International Cooperation No.14 Ministry of Science and Technology(MOST), P.R.China July 25 2014 Special Issue: China’s Space Development Achievements and Prospects of China’s Space Development The 64th IAC Held in Beijing Shenzhou 10 Misson Successfully Accomplished Chang’e 3 Achieved Soft Landing on the Moon GF-1 Satellite - The First Satellite of CHEOS Achievements and Prospects of China’s Space Development Mr. Xu Dazhe, Chairman of China Aerospace Science in 1970 marked the start of China entering into space and and Technology Corporation (CASC) delivered a speech exploring the universe. Due to substantial governmental at the 64th International Astronautical Congress (IAC) on support and promotion, China’s space industry developed September 23, 2013, sharing experiences gained in the quite fast and has made world-known achievements. development of China’s space industry with international As the leader in China’s space sector, CASC is colleagues. assigned to develop, manufacture and test launch OUTSTANDING ACHIEVEMENTS MADE BY vehicles, manned spaceships, various satellites and CHINA’S SPACE INDUSTRY other spacecraft for major national space programs such as China’s Manned Space Program, China’s Lunar China’s space programs have had 57 years of Exploration Program, BeiDou Navigation Satellite development since the 1950s. The successful launch of System, and China’s High-Resolution Earth Observation China’s first artificial satellite Dongfanghong 1 (DFH-1) Monthly-Editorial Board:Building A8 West, Liulinguan Nanli, Haidian District, Beijing 100036, China Contact: Prof.Zhang Ning E-mail: [email protected] [email protected] http://www.caistc.com System. -
Project Number: JMW-USC1
Project Number: JMW-USC1 Department of Social Science and Policy Studies THE FUTURE OF UNMANNED SPACE: A SPECULATIVE ANALYSIS OF THE COMMERCIAL MARKET An Interactive Qualifying Project Report: Submitted to the Faculty of the WORCESTER POLYTECHNIC INSTITUTE in partial fulfillment of the requirements for the Degree of Bachelor of Science by ______________________________ Peter Brayshaw ______________________________ Brooks Farnham ______________________________ Jon Leslie December 16, 2004 _____________________________ ________________________________ Professor John M. Wilkes, Advisor Professor Peter Campisano, Co-Advisor Abstract: This report is one of many which deal with the unmanned space race. It is a prediction of who will have the greatest competitive advantage in the commercial market over the next 25 years, based on historical analogy. Background information on Russia, China, Japan, the United States and the European Space Agency, including the launch vehicles and launch services each provides, is covered. The new prospect of space platforms is also investigated. 2 Table of Contents Abstract: ...................................................................................................... 2 Table of Contents ......................................................................................... 3 Introduction ................................................................................................. 5 Literature Review ...................................................................................... 5 Project -
Health of the U.S. Space Industrial Base and the Impact of Export Controls
PRE -DECISIONAL - NOT FOR RELEASE Briefing of the Working Group on the Health of the U.S. Space Industrial Base and the Impact of Export Controls February 2008 1 PRE -DECISIONAL - NOT FOR RELEASE Preamble • “In order to increase knowledge, discovery, economic prosperity, and to enhance the national security, the United States must have robust, effective, and efficient space capabilities. ” - U.S. National Space Policy (August 31, 2006). 2 PRE -DECISIONAL - NOT FOR RELEASE Statement of Task • Empanel an expert study group to [1] review previous and ongoing studies on export controls and the U.S. space industrial base and [2] assess the health of the U.S. space industrial base and determine if there is any adverse impact from export controls, particularly on the lower -tier contractors. • The expert study group will review the results of the economic survey of the U.S. space industrial base conducted by the Department of Commerce and analyzed by the Air Force Research Laboratory (AFRL). • Integrate the findings of the study group with the result of the AFRL / Department of Commerce survey to arrive at overall conclusions and recommendations regarding the impact of export controls on the U.S. space industrial base. • Prepare a report and briefing of these findings 3 PRE -DECISIONAL - NOT FOR RELEASE Working Group 4 PRE -DECISIONAL - NOT FOR RELEASE Methodology • Leveraged broad set of interviews and data from: – US government • Department of State, Department of Defense (OSD/Policy, OSD/AT&L, DTSA, STRATCOM, General Council), NRO, Department -
23 Mar 2018 2018 Asiasat Reports 2017 Annual Results
MEDIA RELEASE AsiaSat Reports 2017 Annual Results Hong Kong, 23 March 2018 - Asia Satellite Telecommunications Holdings Limited (‘AsiaSat’ – SEHK: 1135), Asia’s leading satellite operator, today announced financial results for the full- year ended 31 December 2017. Financial Highlights: 2017 revenue returned to an upward trend with an increase of 6% to HK$1,354 million from HK$1,272 million in 2016, supported by the lease of the full Ku-band payload of AsiaSat 8 during the year, on-going migration from Standard Definition to High Definition broadcasting and increased demand for data services 2017 profit attributable to owners was HK$397 million (2016: HK$430 million). On a like-for- like basis, after excluding a reversal of tax provision of HK$55 million in 2016, 2017 profit recorded an increase of 6%, HK$22 million compared to 2016 Proposed final dividend of HK$0.20 per share (2016: HK$0.20 per share). Together with the interim dividend of HK$0.18 per share (2016: Nil), the total dividend for the year 2017 is HK$0.38 per share (2016: HK$0.20 per share ) Operational Highlights: AsiaSat enters its 30th year in 2018 with an expanded and upgraded satellite fleet, including the new AsiaSat 9 which became fully operational in November 2017, bringing improved performance to customers and additional capacity to grow company business A lease for the full payload of AsiaSat 4 was secured following successful migration of customers from AsiaSat 4 to AsiaSat 9, the full revenue impact of which will be seen in 2018 Overall payload utilisation -
Enhanced Orbit Determination for Beidou Satellites with Fengyun-3C Onboard GNSS Data
GPS Solut DOI 10.1007/s10291-017-0604-y ORIGINAL ARTICLE Enhanced orbit determination for BeiDou satellites with FengYun-3C onboard GNSS data 1,2 1 1 3 3 Qile Zhao • Chen Wang • Jing Guo • Guanglin Yang • Mi Liao • 1 1,2 Hongyang Ma • Jingnan Liu Received: 3 September 2016 / Accepted: 27 January 2017 Ó The Author(s) 2017. This article is published with open access at Springerlink.com Abstract A key limitation for precise orbit determination (Root Mean Square) of overlapping orbit differences of BeiDou satellites, particularly for satellites in geosta- (OODs) is 2.3 cm for GPS-only solution. The 3D RMS of tionary orbit (GEO), is the relative weak geometry of orbit differences between BeiDou-only and GPS-only ground stations. Fortunately, data from a low earth orbiting solutions is 15.8 cm. Also, precise orbits and clocks for satellite with an onboard GNSS receiver can improve the BeiDou satellites were determined based on 97 global geometry of GNSS orbit determination compared to using (termed GN) or 15 regional (termed RN) ground stations. only ground data. The Chinese FengYun-3C (FY3C) Furthermore, also using FY3C onboard BeiDou data, two satellite carries the GNSS Occultation Sounder equipment additional sets of BeiDou orbit and clock products are with both dual-frequency GPS (L1 and L2) and BeiDou determined with the data from global (termed GW) or (B1 and B2) tracking capacity. The satellite-induced vari- regional (termed RW) stations. In general, the OODs ations in pseudoranges have been estimated from multipath decrease for BeiDou satellites, particularly for GEO observables using an elevation-dependent piece-wise linear satellites, when the FY3C onboard BeiDou data are added. -
Baikonur-International Space Station : International Approach to Lunar Exploration
ICEUM4, 10-15 July 2000, ESTEC, Noordwijk, The Netherlands Baikonur-International Space Station : International Approach to Lunar Exploration Gulnara Omarova, National Aerospace Agency; Chinghis Omarov, ISU Summer Session '98 alumni On 20th November 1998 our aircraft made soft landing at the Baikonur airport. I was among onboard passengers - officials from Kazakhstan Space, press and diplomats. We all were invited to attend the launch of the International Space Station (ISS) first component (the Russian-made Zarya or Functional Cargo Module FGB) by Proton launch-vehicle at the Baikonur spaceport. Two hours before ISS first module launch we joined the official delegations from NASA, Russian Space Agency (RSA), ESA, Canadian Space Agency (CSA) and NASDA to see the modified facilities of both "Energiya" Corp. and Khrunichev's Proton assembly-and- test building. Mr. Yuri Koptev, Chief of RSA and Mr. Dan Goldin, NASA Administrator actively were drinking russian tea and talking about crucial issues of the International Space Station and the future of Space Exploration. In fact, Cold War is over and the world's top space powers accomplishments are stunning: • The first human flight in space in 1961; • Human space flight initiatives to ascertain if and how long a human could survive in space; • Project Gemini (flights during 1965-1966) to practice space operations, especially rendezvous and docking of spacecraft and extravehicular activity; • Project Apollo (flights during 1968-1972) to explore the Moon; • Space Shuttle's flights (1981 - present); • Satellite programs; • A permanently occupied space station "Mir" (during 1976-1999); • A permanently occupied International Space Station presently underway. We and a few people approached them to learn much more particulars of their talking and to ask them most interesting questions. -
Planetary Science in the Eyes of Giant Telescopes
Planetary Science in the Eyes of Giant Telescopes Franck Marchis (Carl Sagan Center at the SETI Ins<tute) Feeding the Giants Workshop, Ischia, Italy, August 30 2011, Outline ELTs = Extremely Large Telescopes (E-ELT, TMT, GMT) • Solar System Exploraon – Why Exploring the Solar System with ELTs – Space Mission Programs: Why, Who, Where, When? • Poten<al of the ELTs for Solar System Science – High Angular imaging coupled with spectroscopy in the NIR to explore Io, Titan, and TNOs – Low res UV-NIR spectroscopic combined with All-sky surveys 402 Years of Telescopes Why Planetary Science and the ELTs? • Long heritage of telescopic observaons for the study of the Solar System • Started in 1609 with Galileo Galilei – First publicaon in modern astronomy based on telescope data – Discoveries in the field of Planetary Science • Galilean Moons • Roughness of the Moon surface • Disk appearance of planets & phase of Venus • In 2009, 40% of Keck PR and 25% of Keck AO publicaons are based on Planetary Science results • Strong Public Interest for Planetary Science Toys in Japan Pluto protests 51 Years of Space Missions • First aempts to reach Mars (1960) and Venus (1961) • ~200 solar, lunar and interplanetary missions • More reliable technologies -> more space missions • More accessible technologies -> more countries have access to space (e.g. Japan, China, India,…) • Could the ELTs contribute to Planetary Science in this context? 51 Years of Space Missions (2009) Naonal Geographic 51 Years of Space Missions Inner Solar System NEA 51 Years of Space Missions -
Highlights in Space 2010
International Astronautical Federation Committee on Space Research International Institute of Space Law 94 bis, Avenue de Suffren c/o CNES 94 bis, Avenue de Suffren UNITED NATIONS 75015 Paris, France 2 place Maurice Quentin 75015 Paris, France Tel: +33 1 45 67 42 60 Fax: +33 1 42 73 21 20 Tel. + 33 1 44 76 75 10 E-mail: : [email protected] E-mail: [email protected] Fax. + 33 1 44 76 74 37 URL: www.iislweb.com OFFICE FOR OUTER SPACE AFFAIRS URL: www.iafastro.com E-mail: [email protected] URL : http://cosparhq.cnes.fr Highlights in Space 2010 Prepared in cooperation with the International Astronautical Federation, the Committee on Space Research and the International Institute of Space Law The United Nations Office for Outer Space Affairs is responsible for promoting international cooperation in the peaceful uses of outer space and assisting developing countries in using space science and technology. United Nations Office for Outer Space Affairs P. O. Box 500, 1400 Vienna, Austria Tel: (+43-1) 26060-4950 Fax: (+43-1) 26060-5830 E-mail: [email protected] URL: www.unoosa.org United Nations publication Printed in Austria USD 15 Sales No. E.11.I.3 ISBN 978-92-1-101236-1 ST/SPACE/57 *1180239* V.11-80239—January 2011—775 UNITED NATIONS OFFICE FOR OUTER SPACE AFFAIRS UNITED NATIONS OFFICE AT VIENNA Highlights in Space 2010 Prepared in cooperation with the International Astronautical Federation, the Committee on Space Research and the International Institute of Space Law Progress in space science, technology and applications, international cooperation and space law UNITED NATIONS New York, 2011 UniTEd NationS PUblication Sales no. -
The Annual Compendium of Commercial Space Transportation: 2012
Federal Aviation Administration The Annual Compendium of Commercial Space Transportation: 2012 February 2013 About FAA About the FAA Office of Commercial Space Transportation The Federal Aviation Administration’s Office of Commercial Space Transportation (FAA AST) licenses and regulates U.S. commercial space launch and reentry activity, as well as the operation of non-federal launch and reentry sites, as authorized by Executive Order 12465 and Title 51 United States Code, Subtitle V, Chapter 509 (formerly the Commercial Space Launch Act). FAA AST’s mission is to ensure public health and safety and the safety of property while protecting the national security and foreign policy interests of the United States during commercial launch and reentry operations. In addition, FAA AST is directed to encourage, facilitate, and promote commercial space launches and reentries. Additional information concerning commercial space transportation can be found on FAA AST’s website: http://www.faa.gov/go/ast Cover art: Phil Smith, The Tauri Group (2013) NOTICE Use of trade names or names of manufacturers in this document does not constitute an official endorsement of such products or manufacturers, either expressed or implied, by the Federal Aviation Administration. • i • Federal Aviation Administration’s Office of Commercial Space Transportation Dear Colleague, 2012 was a very active year for the entire commercial space industry. In addition to all of the dramatic space transportation events, including the first-ever commercial mission flown to and from the International Space Station, the year was also a very busy one from the government’s perspective. It is clear that the level and pace of activity is beginning to increase significantly. -
Thermal Design, Analysis and Test Validation of Turksat-3Usat Satellite
Journal of Thermal Engineering, Vol. 7, No. 3, pp. 468-482, March, 2021 Yildiz Technical University Press, Istanbul, Turkey THERMAL DESIGN, ANALYSIS AND TEST VALIDATION OF TURKSAT-3USAT SATELLITE Murat Bulut1,*, Nedim Sözbir2 ABSTRACT When CubeSat projects are a useful means by which universities can engage their students in space-related activities. TURKSAT-3USAT is a three-unit amateur radio CubeSat jointly developed by the Space Systems Design and Test Laboratory and the Radio Frequency Electronics Laboratory of Istanbul Technical University (ITU), in collaboration with TURKSAT, A.S. company as well as the Turkish Amateur Technology Organization. It was launched on April 26, 2013 as a secondary payload on a CZ-2D rocket from China’s Jiuquan Space Center to an altitude of approximately 680 km. The mission of the satellite has two primary goals: (1) to voice communication at Low Earth Orbit (LEO) and (2) to educate students by providing hands-on experience. TURKSAT-3USAT was designed to sustain a circular, near sun-synchronous LEO, and has dimensions of 10 x 10 x 34 cm3. Within the course of this paper, TURKSAT-3USAT’s thermal control will be addressed. TURKSAT-3USAT’s thermal control model was developed using ThermXL and ESATAN-TMS software. Using this model, temperature distributions of the CubeSat when subjected to various experimental conditions of interest were computed. Using a thermal vacuum chamber (TVAC), thermal cycling and bake-out testing were carried out on the flight model to verify the thermal design performance and check the mathematical model. Based on thermal analysis results, the temperature of equipment was within the allowable temperature range except for the batteries that were between 42.56 oC and -20.31 oC. -
Orbital Debris: a Chronology
NASA/TP-1999-208856 January 1999 Orbital Debris: A Chronology David S. F. Portree Houston, Texas Joseph P. Loftus, Jr Lwldon B. Johnson Space Center Houston, Texas David S. F. Portree is a freelance writer working in Houston_ Texas Contents List of Figures ................................................................................................................ iv Preface ........................................................................................................................... v Acknowledgments ......................................................................................................... vii Acronyms and Abbreviations ........................................................................................ ix The Chronology ............................................................................................................. 1 1961 ......................................................................................................................... 4 1962 ......................................................................................................................... 5 963 ......................................................................................................................... 5 964 ......................................................................................................................... 6 965 ......................................................................................................................... 6 966 ........................................................................................................................