第11卷第3期导航定位学报Vol.11,No.32023年6月JournalofNavigationandPositioningJun.,2023引文格式:刘隆迪,杜兰,张中凯,等.GEO带目标编目库的星历设计[J].导航定位学报,2023,11(3):29-37.(LIULongdi,DULan,ZHANGZhongkai,etal.EphemerisdesignofspacecataloginglibrarywithtargetsonGEOring[J].JournalofNavigationandPositioning,2023,11(3):29-37.)DOI:10.16547/j.cnki.10-1096.20230305.GEO带目标编目库的星历设计刘隆迪,杜兰,张中凯,刘泽军,周佩元,黄俊迦(信息工程大学地理空间信息学院,郑州450001)摘要:针对目前空间目标编目库普遍采用的2行根数——简化常规摄动4/简化深空摄动4(TLE-SGP4/SDP4)模型复杂,源码不公开,且轨道精度不高的问题,提出一种地球同步轨道(GEO)带目标编目库的星历设计方法:基于数值积分的多天精密预报轨道,针对GEO的静地特性,设计19/25/31个参数的无奇点根数型星历模型;并采取定时长和多组星历同步更新策略,适用于数小时至数天的日常预报轨道发布及更新。实验结果表明,3种无奇点根数型星历模型可灵活适应合作/非合作GEO目标的预报轨道精度和预报时长,1d拟合均方根(RMS)均值分别优于30、10和7m;当缩短拟合时长至12h,31参数星历模型的拟合精度可优于0.2m。关键词:地球同步轨道带;空间编目库;无奇点轨道根数;星历中图分类号:P228文献标志码:A文章编号:2095-4999(2023)03-0029-09EphemerisdesignofspacecataloginglibrarywithtargetsonGEOringLIULongdi,DULan,ZHANGZhongkai,LIUZejun,ZHOUPeiyuan,HUANGJunjia(InstituteofGeospatialInformation,InformationEngineeringUniversity,Zhengzhou450001,China)Abstract:Aimingattheproblemthatthetwo-lineelement-simplifiedgeneralperturbations-4/simplifieddeep-spaceperturbations-4(TLE-SGP4/SDP4)modelcommonlyusedinthecurrentspacetargetcatalogiscomplex,withunavailablesourcecodesinpublicandloworbitaccuracy,thepaperproposedtheephemerisdesignmethodofspacecataloginglibrarywithtargetsongeosynchronousEarthorbit(GEO)ring:basedonthemulti-daypreciseforcastorbitsofnumericalintegration,the19/25/31covarianceelement-ephemerismodelswithoutsingularitiesweredesignedforthestaticcharacteristicsofGEO;andthesynchronizedupdatestrategywithfixeddurationandmulti-groupephemeriswasadopted,suitablefordailyfo...