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Mini-ASTROD: Mission concept
Ni, WT1; Zhu, J1; Wu, XP1; Chu, GB1; Yang, B1; Gao, J1,3; Guan, M1,3; Tang, CJ2; Chou, CJ; Chou, Y2; Chang, CH2; Huang, TY4; Qu, QY4; Yi, ZH4; Li, GY5; Tao, JH5; Wu, AM6; Luo, J7; Yeh, HC7; Zhou, ZB7; Xiong YH(熊耀恒)8; Bi SL(毕少兰)8; Xu, CM9; Wu, XJ9; Tang, MX10; Bao, Y10; Li, FY11; Huang, C12; Yang, FM12; Ye, SH12; Zhang, SL13; Zhang, YZ14; Nie, YX15; Chen, G16; Christensen-Dalsgaard, J17; Dittus, H18; Fujii, Y19; Lammerzahl, C20; Mangin, JF; Peters, A; Rudiger, A; Samain, E; Schiller, S; Ni, WT (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China.
会议录名称INTERNATIONAL JOURNAL OF MODERN PHYSICS D
2002-08
卷号11
期号7
页码1035-1048
DOI10.1142/S0218271802002542
产权排序第8完成单位
收录类别SCI ; CPCI
会议名称1st International ASTROD Symposium
会议日期2001-09-13
会议地点BEIJING, PEOPLES R CHINA
摘要Advances in laser physics and its applications triggered the proposition and development of Laser Astrodynamics. Mini-ASTROD is a down-scaled version of ASTROD (Astrodynamical Space Test of Relativity using Optical Devices). This mission concept has one spacecraft carrying a payload of a telescope, six lasers, and a clock together with ground stations (ODSN: Optical Deep Space Network) to test the optical scheme and yet give important scientific results. These scientific results include a better measurement of the relativistic parameters (gamma to 1 ppm, beta to a few ppm and others with improvement), a better sensitivity (several times better) in using the optical Doppler tracking method for detecting gravitational waves, a potential of measuring the solar angular momentum via the Lense-Thirring effect and measurement of many solar system parameters more precisely. These enable us to build a more precise ephemeris and astrodynamics. The weight of this spacecraft is estimated to be about 300-350 kg with a payload of about 100-120 kg. The spacecraft goes into an inner solar orbit with several options. One option is with period 304 days as for the inner spacecraft of the standard two-spacecraft ASTROD mission concept and it takes about 900 days to reach the other side of the Sun relative to the Earth. Another option is to launch with initial period about 290 days and to pass by Venus twice to receive gravity-assistance for achieving shorter periods. For a launch on November 15, 2008, after two encounters with Venus, the orbital period can be shortened to 165 days. After about 400 days from launch, the spacecraft will arrive at the other side of the Sun and the relativistic parameter gamma can be determined to 1 ppm. We discuss the payload configuration and outlook for technological developments to reach the mission goals, and summarize the conclusions and recommendations of the first and second organizational meeting for the Mini-ASTROD study.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article; Proceedings Paper
出版者WORLD SCIENTIFIC PUBL CO PTE LTD
出版地JOURNAL DEPT PO BOX 128 FARRER ROAD, SINGAPORE 912805, SINGAPORE
ISSN号0218-2718
URL查看原文
WOS记录号WOS:000178117100008
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS标题词Science & Technology ; Physical Sciences
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7323
专题应用天文研究组
通讯作者Ni, WT (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China.
作者单位1.National Astronomical Observatories, Chinese Academy of sciences, Beijing, China
2.Department of Physics, Tsing Hua University, Hsinchu, R.O.C
3.Department of Astronomy, Beijing Normal University, Beijing, China
4.Department of Astronomy, Nanjing University, Nanjing, China
5.Purple Mountain Observatory, Nanjing, China
6.System Engineering Section, National Space Program Office, Hsinchu, R.O.C
7.Department of Physics, Hua Zhong University of Science and Technology, Wuhan, China
8.Yunnan Observatory, National Astronomical Observatories, Kunming, China
9.Department of Physics, Nanjing Normal University, Nanjing, China
10.Department of Physics, Zhong Shan University, Guangzhou, China
11.Department of Physics, Chongqing University, Chongqing, China
12.Shanghai Astronomical Observatory, Shanghai, China
13.Department of Precision Instrumentation, Tsinghua University, Beijing, China
14.Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China
15.Institute of Physics, Chinese Academy of Sciences, Beijing, China
16.Department of Physics, Shantou University, Shantou, China
17.Aarhus University, Aarhus, Denmark
18.ZARM, University of Bremen, Bremen, Germany
19.Nihon Fukushi University, Aichi, Japan
20.University of Düsseldorf, Düsseldorf, Germany
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Ni, WT,Zhu, J,Wu, XP,et al. Mini-ASTROD: Mission concept[C]. JOURNAL DEPT PO BOX 128 FARRER ROAD, SINGAPORE 912805, SINGAPORE:WORLD SCIENTIFIC PUBL CO PTE LTD,2002:1035-1048.
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