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Analysis for Cellinoid shape model in inverse process from lightcurves
Lu, Xiao-Ping1,4; Ip, Wing-Huen1,3; Huang, Xiang-Jie1; Zhao, Hai-Bin2,4
2017
Source PublicationPLANETARY AND SPACE SCIENCE
ISSN0032-0633
Volume135Pages:74-85
Corresponding AuthorLu, Xiao-Ping(xplu@must.edu.mo)
AbstractBased on the special shape first introduced by Alberto Cellino, which consists of eight ellipsoidal octants with the constraint that adjacent octants must have two identical semi-axes, an efficient algorithm to derive the physical parameters, such as the rotational period, pole orientation, and overall shape from either lightcurves or sparse photometric data of asteroids, is developed by Lu et al. and named as 'Cellinoid' shape model. For thoroughly investigating the relationship between the morphology of the synthetic lightcurves generated by the Cellinoid shape and its six semi-axes as well as rotational period and pole, the numerical tests are implemented to compare the synthetic lightcurves generated by three Cellinoid models with different parameters in this article. Furthermore, from the synthetic lightcurves generated by two convex shape models of (6) Hebe and (4179) Toutatis, the inverse process based on Cellinoid shape model is applied to search the best-fit parameters. Especially, for better simulating the real observations, the synthetic lightcurves are generated under the orbit limit of the two asteroids. By comparing the results derived from synthetic lightcurves observed in one apparition and multiple apparitions, the performance of Cellinoid shape model is confirmed and the suggestions for observations are presented. Finally, the whole process is also applied to real observed lightcurves of (433) Eros and the derived results are consistent with the known results.
KeywordCellinoid Lightcurves Asteroids Shape
DOI10.10164/j.pss.2016.12.003
WOS KeywordPHOTOMETRIC DATA ; ASTEROID SHAPES ; PHASE CURVES ; GAIA
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000392899000008
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23325
Collection中国科学院紫金山天文台
Corresponding AuthorLu, Xiao-Ping
Affiliation1.Macau Univ Sci & Technol, Ave Wai Long, Taipa, Macao, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing, Jiangsu, Peoples R China
3.Natl Cent Univ, Inst Astron, Taoyuan, Taiwan
4.Chinese Acad Sci, Key Lab Planetary Sci, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Lu, Xiao-Ping,Ip, Wing-Huen,Huang, Xiang-Jie,et al. Analysis for Cellinoid shape model in inverse process from lightcurves[J]. PLANETARY AND SPACE SCIENCE,2017,135:74-85.
APA Lu, Xiao-Ping,Ip, Wing-Huen,Huang, Xiang-Jie,&Zhao, Hai-Bin.(2017).Analysis for Cellinoid shape model in inverse process from lightcurves.PLANETARY AND SPACE SCIENCE,135,74-85.
MLA Lu, Xiao-Ping,et al."Analysis for Cellinoid shape model in inverse process from lightcurves".PLANETARY AND SPACE SCIENCE 135(2017):74-85.
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