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Working models for the gravitational field of Phobos
Shi Xian1; Willner Konrad2; Oberst Juergen2; Ping JinSong1; Ye ShuHua1
2012
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
Volume55Issue:2Pages:358
AbstractModels for the gravitational field of Mars moon Phobos were developed using the latest shape model and assuming homogeneous density distribution. Three methods were applied in our study. Comparisons were made between these methods and all were shown to yield consistent results. Notably, the most accurate shape model of Phobos to date, complete up to degree and order 17 was used for the first time in our analysis. A set of spherical harmonic coefficients up to degree and order 17 were derived for the gravitational field of Phobos. Also considered was the gravitational field on the surface of Phobos. Typical characteristics as well as some pronounced surface features of this irregular-shaped small body could be conveniently identified. The results are readily applicable for such purposes as spacecraft orbit analysis and assessing the dynamical environment of Phobos.
KeywordSURFACE-FEATURES GRAVITY TOPOGRAPHY DEIMOS SHAPE Phobos gravitational field forward modeling
Language英语
Funding Project[CAS-DAAD] ; [National Natural Science Foundation of China] ; [National High Technology Research and Development Program of China] ; [Ministry of Education and Science of the Russian Federation]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/65562
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.Tech University Berlin, Dept Geodesy & Geoinformat Sci, D-10623 Berlin, Germany
3.German Aerosp Ctr, Institute Planetary Res, D-12489 Berlin, Germany
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shi Xian,Willner Konrad,Oberst Juergen,et al. Working models for the gravitational field of Phobos[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(2):358.
APA Shi Xian,Willner Konrad,Oberst Juergen,Ping JinSong,&Ye ShuHua.(2012).Working models for the gravitational field of Phobos.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(2),358.
MLA Shi Xian,et al."Working models for the gravitational field of Phobos".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.2(2012):358.
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