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The use of laser altimetry data in Chang'E-1 precision orbit determination
Chang, Sheng-Qi1,2; Huang, Yong1; Li, Pei-Jia1; Hu, Xiao-Gong1; Fan, Min1,2,3
2016-09-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume16Issue:9
AbstractAccurate altimetric measurement not only can be applied to the calculation of a topography model but also can be used to improve the quality of the orbit reconstruction in the form of crossovers. Altimetry data from the Chang'E-1 (CE-1) laser altimeter are analyzed in this paper. The differences between the crossover constraint equation in the form of height discrepancies and in the foim of minimum distances are mainly discussed. The results demonstrate that the crossover constraint equation in the form of minimum distances improves the CE-1 orbit precision. The overlap orbit performance has increased similar to 30% compared to the orbit using only tracking data. External assessment using the topography model also shows orbit improvement. The results will be helpful for recomputing ephemeris and improving the CE-1 topography model.
KeywordCelestial Mechanics Methods: Data Analysis Moon
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1674-4527/16/9/142
WOS KeywordLUNAR RECONNAISSANCE ORBITER ; MARS GLOBAL SURVEYOR ; GRAVITY-FIELD ; MISSION ; INSTRUMENT ; SELENE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000385995800010
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23606
Collection中国科学院紫金山天文台
Corresponding AuthorChang, Sheng-Qi
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Planetary Sci, Shanghai 200030, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Inst Tracking & Telecommun Technol, Beijing 100094, Peoples R China
Recommended Citation
GB/T 7714
Chang, Sheng-Qi,Huang, Yong,Li, Pei-Jia,et al. The use of laser altimetry data in Chang'E-1 precision orbit determination[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(9).
APA Chang, Sheng-Qi,Huang, Yong,Li, Pei-Jia,Hu, Xiao-Gong,&Fan, Min.(2016).The use of laser altimetry data in Chang'E-1 precision orbit determination.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(9).
MLA Chang, Sheng-Qi,et al."The use of laser altimetry data in Chang'E-1 precision orbit determination".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.9(2016).
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