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Orbit error characteristic and distribution of TLE using CHAMP orbit data
Xu, Xiao-li1,2; Xiong, Yong-qing1,2
2018-02-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
Volume363Issue:2Pages:6
Corresponding AuthorXu, Xiao-li(xlxu@pmo.ac.cn)
AbstractSpace object orbital covariance data is required for collision risk assessments, but publicly accessible two line element (TLE) data does not provide orbital error information. This paper compared historical TLE data and GPS precision ephemerides of CHAMP to assess TLE orbit accuracy from 2002 to 2008, inclusive. TLE error spatial variations with longitude and latitude were calculated to analyze error characteristics and distribution. The results indicate that TLE orbit data are systematically biased from the limited SGP4 model. The biases can reach the level of kilometers, and the sign and magnitude are correlate significantly with longitude.
KeywordTLE GPS Orbit error System bias Collision risk assessment
DOI10.1007/s10509-018-3251-z
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000424039100016
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22245
Collection中国科学院紫金山天文台
Corresponding AuthorXu, Xiao-li
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Space Object & Debris Observat, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Xu, Xiao-li,Xiong, Yong-qing. Orbit error characteristic and distribution of TLE using CHAMP orbit data[J]. ASTROPHYSICS AND SPACE SCIENCE,2018,363(2):6.
APA Xu, Xiao-li,&Xiong, Yong-qing.(2018).Orbit error characteristic and distribution of TLE using CHAMP orbit data.ASTROPHYSICS AND SPACE SCIENCE,363(2),6.
MLA Xu, Xiao-li,et al."Orbit error characteristic and distribution of TLE using CHAMP orbit data".ASTROPHYSICS AND SPACE SCIENCE 363.2(2018):6.
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