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Identification of uncatalogued LEO space objects by a ground-based EO array
Lei, Xiangxu1; Li, Zhenwei2; Du, Jianli3; Chen, Junyu4; Sang, Jizhang4; Liu, Chengzhi2
2021
Source PublicationADVANCES IN SPACE RESEARCH
ISSN0273-1177
Volume67Issue:1Pages:350-359
AbstractA ground-based electro-optical (EO) array, deployed at the Jilin Space Tracking Base of Changchun Observatory, China, has been in operation since April 2017. The array has 8 small telescopes, each has an aperture of 15 cm and a field of view of 14 degrees x 14 degrees. On average, the array can collect angles data over 3-4 thousand Very Short Arcs (VSAs) of Low Earth Orbit (LEO) space objects each night. Correlation of the VSA angles data with the NORAD catalogue objects results in about 85% of all the VSAs being correlated to NORAD objects. The remaining 15% VSAs angles data could be supposed from uncatalogued objects. The Initial Orbit Determination (IOD) solutions of the VSAs with the range-search method and the association results of the IODs with the geometrical method are presented. The mean IOD success rate is about 91% and the True Positive (TP) rate is more than 86%. In addition, the classical Gauss, Laplace, Gooding and Double-r angles-only IOD methods are applied to process VSA angles data and their performance is assessed. The CBTA method is used to associate the IOD tracks and compared with the geometrical method. A set of procedures for identifying the uncatalogued objects based on the VSA angles data is designed. Processing of the VSA angles data from Aug 4 to Sep 30,2017 reveals there are possibly 415 uncatalogued LEO objects. (C) 2020 COSPAR. Published by Elsevier Ltd. All rights reserved.
KeywordElectro-optical telescope array Very-short arc Angles-only IOD Track association Object identification
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.1016/j.asr.2020.07.030
WOS KeywordORBIT DETERMINATION ; ASSOCIATION ; DEBRIS
Language英语
Funding ProjectNational Natural Science Foundation of China[41474024] ; National Natural Science Foundation of China[41874035]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaEngineering ; Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS SubjectEngineering, Aerospace ; Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS IDWOS:000600867300028
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/80342
Collection中国科学院国家天文台
Corresponding AuthorLei, Xiangxu
Affiliation1.Shandong Univ Technol, Sch Architecture & Engn, Zibo, Shandong, Peoples R China
2.Chinese Acad Sci, Changchun Observ, Natl Astron Observ, Changchun, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing, Peoples R China
4.Wuhan Univ, Sch Geodesy & Geomat, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Lei, Xiangxu,Li, Zhenwei,Du, Jianli,et al. Identification of uncatalogued LEO space objects by a ground-based EO array[J]. ADVANCES IN SPACE RESEARCH,2021,67(1):350-359.
APA Lei, Xiangxu,Li, Zhenwei,Du, Jianli,Chen, Junyu,Sang, Jizhang,&Liu, Chengzhi.(2021).Identification of uncatalogued LEO space objects by a ground-based EO array.ADVANCES IN SPACE RESEARCH,67(1),350-359.
MLA Lei, Xiangxu,et al."Identification of uncatalogued LEO space objects by a ground-based EO array".ADVANCES IN SPACE RESEARCH 67.1(2021):350-359.
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