Study of satellite shadow function model considering the overlapping parts of Earth shadow and Moon shadow and its application to GPS satellite orbit determination

doi:10.1016/j.asr.2018.02.002

	Study of satellite shadow function model considering the overlapping parts of Earth shadow and Moon shadow and its application to GPS satellite orbit determination
	Zhang, Rui 1,2; Tu, Rui 1,2,3; Zhang, Pengfei 1,3; Liu, Jinhai 1,3; Lu, Xiaochun 1,2,3
刊名	ADVANCES IN SPACE RESEARCH
	2019-05-01
卷号	63 期号:9 页码:2912-2929
关键词	Shadow function model Overlapping shadows Shadow factor Observed orbit determination Predicted orbit determination Accuracy comparison
ISSN号	0273-1177
DOI	10.1016/j.asr.2018.02.002
英文摘要	Solar radiation pressure is one of the main perturbations in satellite orbit determination. When a satellite enters the umbra or the penumbra area of an occulting body (e.g., the Earth or the Moon), a satellite shadow function model is used to estimate the occultation degree. Occultation of the Sun by the Earth and by the Moon is considered separately in the existing shadow function model, i.e., any area of overlap of the shadows of the Earth and the Moon is not considered. This directly affects the accuracy of the solar radiation pressure model, which then affects the accuracy of satellite orbit determination. In this study, the existing shadow function model was refined to consider the overlap of the shadows of the Earth and the Moon. Then, using the original and refined shadow function models, Global Positioning System (GPS) satellite orbits from 2008 to 2017 were analyzed and compared. The results show that there are 27 occurrences when GPS satellites enter an area of overlapping shadows of the Earth and the Moon. Among them, the longest duration of passage through the overlapping shadows by one satellite in one day is 474 s, and the maximum difference of the same epoch between the original and refined models is 0.329. In addition, Differences between the GPS observed orbits obtained separately using the original and refined models are small. However, differences between the GPS predicted orbits are substantial; the greatest difference is 46 mm. Furthermore, with the reference of overlapping arcs, when there are differences between the predicted orbits obtained separately using the original and refined models, 86.7% of the orbit determination solutions are improved. (C) 2018 COSPAR. Published by Elsevier Ltd. All rights reserved.
资助项目	Chinese Academy of Sciences (CAS) program of "Western Youth Scholar"[Y712YR4701] ; Program of National Natural Science Foundation of China[41504006] ; Program of National Natural Science Foundation of China[41674034] ; National Key Research and Development Plan of China[2016YFB0501804] ; Chinese Academy of Sciences (CAS)[QYZDB-SSW-DQCO28]
WOS关键词	LEO
WOS研究方向	Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000468253000021
资助机构	Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Program of National Natural Science Foundation of China ; Program of National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Program of National Natural Science Foundation of China ; Program of National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Program of National Natural Science Foundation of China ; Program of National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Chinese Academy of Sciences (CAS) program of "Western Youth Scholar" ; Program of National Natural Science Foundation of China ; Program of National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS)
内容类型	期刊论文
源URL	[http://210.72.145.45/handle/361003/11919]
专题	中国科学院国家授时中心
通讯作者	Tu, Rui
作者单位	1.Chinese Acad Sci, Natl Time Serv Ctr, Shu Yuan Rd, Xian 710600, Shaanxi, Peoples R China 2.Chinese Acad Sci, Key Lab Precis Nav Positioning & Timing Technol, Shu Yuan Rd, Xian 710600, Shaanxi, Peoples R China 3.Univ Chinese Acad Sci, Yu Quan Rd, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Rui,Tu, Rui,Zhang, Pengfei,et al. Study of satellite shadow function model considering the overlapping parts of Earth shadow and Moon shadow and its application to GPS satellite orbit determination[J]. ADVANCES IN SPACE RESEARCH,2019,63(9):2912-2929.
APA	Zhang, Rui,Tu, Rui,Zhang, Pengfei,Liu, Jinhai,&Lu, Xiaochun.(2019).Study of satellite shadow function model considering the overlapping parts of Earth shadow and Moon shadow and its application to GPS satellite orbit determination.ADVANCES IN SPACE RESEARCH,63(9),2912-2929.
MLA	Zhang, Rui,et al."Study of satellite shadow function model considering the overlapping parts of Earth shadow and Moon shadow and its application to GPS satellite orbit determination".ADVANCES IN SPACE RESEARCH 63.9(2019):2912-2929.