不同版本JPL历表对天体坐标转换影响的分析  

Analysis on the influence of different JPL ephemerides versions on celestial coordinate conversion

作　　者：李萌萌[1,2] 王潜心 程彤[1,2] 龚佑兴 LI Mengmeng;WANG Qianxin;CHENG Tong;GONG Youxing(Key Laboratory of Land Environment and Disaster Monitoring of Ministry of Natural Resources, China University of Mining and Technology, Xuzhou 221116, China;School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China;College of Military Basic Education, National University of Defense Technology, Changsha 410073, China)

机构地区：[1]中国矿业大学自然资源部国土环境与灾害监测重点实验室,江苏徐州221116 [2]中国矿业大学环境与测绘学院,江苏徐州221116 [3]国防科技大学军事基础教育学院,湖南长沙410073

出　　处：《合肥工业大学学报（自然科学版）》2021年第10期1397-1405,共9页Journal of Hefei University of Technology：Natural Science

基　　金：国家自然科学基金资助项目(41874039);江苏省自然科学基金资助项目(BK20191342);中国矿业大学“双一流”建设自主创新专项资助项目(2018ZZCX08);中国矿业大学军民融合重大项目培育专项资助项目(2019ZDPY-RH03)。

摘　　要：利用喷气推进实验室(Jet Propulsion Laboratory,JPL)发布的太阳系行星和月球历表可以实现地球与其他天体的天球坐标转换以及月固坐标与月心天球坐标的转换,但不同版本的JPL历表对上述天体坐标转换具有一定的差异。现有的研究不仅缺乏对JPL DE432、DE434、DE435等新版本历表适用性的具体分析,而且未对不同版本历表之间月球物理天平动参数的差异进行深入分析,不利于用户选用较优的历表实现地球与其他天体的天球坐标转换及月固坐标与月心天球坐标的转换。对此,文章全面分析了JPL DE405、DE414、DE418、DE421、DE423、DE424、DE430、DE431、DE432、DE434、DE435历表对地球与其他天体天球坐标转换及月固坐标与月心天球坐标转换的影响。结果表明:对于地球与月球、金星、火星、水星、天王星、海王星的天球坐标转换以及月固坐标与月心天球坐标的转换,建议优先选用DE430历表;对于地球与木星、土星的天球坐标转换,建议优先选用DE435历表;对于地球与冥王星天球坐标转换,建议优先选用DE432历表。By applying the solar system planets and lunar ephemerides launched by Jet Propulsion Laboratory(JPL),the conversion of the celestial coordinates between the earth and other celestial bodies,as well as the conversion of the lunar-fixed coordinates and the lunar center celestial coordinates could be achieved.However,different versions of the JPL ephemerides have difference in the above-mentioned conversion of celestial coordinates.What the previous researches lack is not only the specific analysis on the applicability of new versions of ephemerides such as JPL DE432,DE434,DE435,but also the thorough analysis on the difference of lunar physical libration in different versions of ephemerides,which is not beneficial for the user to choose the best ephemeris,completing the conversion of the celestial coordinates of the earth and other celestial bodies and the conversion of the lunar-fixed coordinates and the lunar center celestial coordinates.As a result,this paper thoroughly analyzes the influence of the JPL DE405,DE414,DE418,DE421,DE423,DE424,DE430,DE431,DE432,DE434,DE435 ephemerides on the conversion of the celestial coordinates of the earth and other planets,and the conversion of the lunar-fixed coordinates and the lunar center celestial coordinates.It turns out that the DE430 ephemeris is recommended not only in the conversion of the celestial coordinates of the earth and the moon,Venus,Mars,Mercury,Uranus,and Neptune,but also in the conversion of the lunar-fixed coordinates and the lunar center celestial coordinates.Besides,the DE435 ephemeris is vintage for the celestial coordinate conversion of the earth,and Jupiter and Saturn,and the DE432 ephemeris is recommended in the celestial coordinate conversion of the earth and Pluto.

关 键 词：喷气推进实验室(JPL)历表 天球坐标 月固坐标 天体坐标转换 

分 类 号：P222[天文地球—大地测量学与测量工程]