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Astrod-I: mission concept and Venus flybys
Ni, Wei-Tou1,2,3; Bao, Yun4; Dittus, Hansjörg5; Huang, Tianyi6; Lämmerzahl, Claus5; Li, Guangyu1,2; Luo, Jun7; Ma, Zhen-Guo2; François Mangin, Jean8; Nie, Yu-Xin9; Peters, Achim10; Rüdiger, Albrecht11; Samain, Étienne8; Schiller, Stephan12; Shiomi, Sachie3; Sumner, Timothy13; Tang, Chien-Jen3; Tao, Jinhe1,2; Touboul, Pierre14; Wang, Haitao15; Wicht, Andreas12; Wu, Xue-Jun16; Xiong YH(熊耀恒)17; Xu, Chongming16; Yan, Jun1,2; Yao, Da-Zhi1,2; Yeh, Hsien-Chi18; Zhang, Shu-Lian19; Zhang, Yuan-Zhong20; Zhou, Ze-Bing8
Author of SourceESA
Contribution Rank第17完成单位
Indexed ByEI ; CPCI
Conference Name5th IAA International Conference on Low-Cost Planetary Missions
Conference Date2003-09-24
Conference PlaceEuropean Space Res & Technol Ctr, Noordwijk, NETHERLANDS

ASTROD I is the first step of ASTROD (Astrodynamical Space Test of Relativity using Optical Devices). This mission concept has one spacecraft carrying a payload of a telescope, five lasers, and a clock together with ground stations (ODSN: Optical Deep Space Network) to test the optical scheme of interferometric and pulse ranging and yet give important scientific results. These scientific results include a better measurement of the relativistic parameters, a better sensitivity in using optical Doppler tracking method for detecting gravitational waves, and measurement of many solar system parameters more precisely. The weight of this spacecraft is estimated to be about 300-350 kg with a payload of about 100-120 kg. The spacecraft is to be launched with initial period about 290 days and to pass by Venus twice to receive gravity-assistance for achieving shorter periods. For a launch on August 4, 2010, after two encounters with Venus, the orbital period can be shortened to 165 days. After about 370 days from launch, the spacecraft will arrive at the other side of the Sun for the determination of relativistic parameters.

Funding ProjectN/A
Funding OrganizationN/A
Subject Area天文学 ; 天体测量学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeProceedings Paper
Publication PlacePO BOX 299, 2200 AG NOORDWIJK, NETHERLANDS
WOS IDWOS:000189450900011
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace
WOS KeywordSystems
EI Accession Number2004088027298
EI KeywordsSpace Flight
EI Classification Number931.5gravitation, Relativity And String Theory - 741.3optical Devices And Systems - 723.5computer Applications - 716.2radar Systems And Equipment - 941.4optical Variables Measurements - 657.2extraterrestrial Physics And Stellar Phenomena - 656.1space Flight - 655.1spacecraft, General - 654.1rockets And Missiles - 656.2space Research
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Corresponding AuthorNi, Wei-Tou
Affiliation1.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008 China
2.)National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012 China
3.Department of physics, Tsing Hua University, Hsinchu, Taiwan 30055
4.Department of Mechanics, Zhong Shan University, Guangzhou, 510275 China
5.ZARM, University of Bremen, Bremen, Germany
6.Department of Astronomy, Nanjing University, Nanjing, 210093 China
7.Department of Physics, Hua Zhong University of Science and Tech., Wuhan, China
8.CERGA, Observatoire de la Cote D’Azur, Grasse, France
9.Institute of Physics, Chinese Academy of Sciences, Beijing, China
10.Department of Physics, Humboldt-University Berlin, Berlin, Germany
11.Max-Planck-Institut für Gravitationsphysik, Gårching, Germany
12.Dept. of Exp. Phys., University of Düsseldorf, Düsseldorf, Germany
13.Department of Physics, Imperial College, London, SW7 2BW, UK
14.Office National D’Edudes et de Recherches Aerospatiales, Chatillon Cedex, France
15.Nanjing Institute of Astronomical Optics & Technology, NAOC, CAS, Nanjing, China
16.Department of Physics, Nanjing Normal University, Nanjing, 210097 China
17.Yunnan Observatory, NAOC, CAS, Kunming, 650011 China
18.Division of Manufacturing Engineering, Nanyang Tech.University, Singapore
19.Department of Precision Instrumentation, Tsinghua University, Beijing, China
20.Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Ni, Wei-Tou,Bao, Yun,Dittus, Hansjörg,et al. Astrod-I: mission concept and Venus flybys[C]//ESA. PO BOX 299, 2200 AG NOORDWIJK, NETHERLANDS:ESA PUBLICATIONS DIVISION C/O ESTEC,2003:79-86.
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