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A study of the orbital evolution of near-Earth asteroids
Liu, L; Ji, JH
2001-07-01
Source PublicationCHINESE ASTRONOMY AND ASTROPHYSICS
ISSN0275-1062
Volume25Issue:3Pages:349-354
AbstractThis paper describes some basic results obtained in our research on the orbital evolution of near Earth asteroids (NEAs) over the past several years. We emphasize the use of a reasonable dynamical model and an effective algorithm in the numerical work. The model includes all possible factors that affect the motion of NEAs, including the gravitation of all the larger bodies and the four larger main-belt asteroids, the effect of oblateness of the bodies and the post-Newtonian effect of the solar gravitation. By using the orbital elements of the Moon as the variables in the integration a single step size can be used. The times and distances of closest approach for NEAs that approach the Earth during the 21st century are calculated and are found to agree closely with the results published by the MPC.
KeywordNear-earth Asteroid Close Approach
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000170928800011
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8228
Collection星系宇宙学和暗能量研究团组
Affiliation1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Liu, L,Ji, JH. A study of the orbital evolution of near-Earth asteroids[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2001,25(3):349-354.
APA Liu, L,&Ji, JH.(2001).A study of the orbital evolution of near-Earth asteroids.CHINESE ASTRONOMY AND ASTROPHYSICS,25(3),349-354.
MLA Liu, L,et al."A study of the orbital evolution of near-Earth asteroids".CHINESE ASTRONOMY AND ASTROPHYSICS 25.3(2001):349-354.
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