Article(id=1322917016818032788, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322916945741348911, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2025.11.366, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1762099200000, receivedDateStr=2025-11-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793337595419, onlineDateStr=2026-10-30, pubDate=1789401600000, pubDateStr=2026-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793337595419, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793337595419, creator=13701087609, updateTime=1793337595419, updator=13701087609, issue=Issue{id=1322916945741348911, tenantId=1146029695717560320, journalId=1281212831689347082, year='2026', volume='46', issue='9', pageStart='1039', pageEnd='1170', issueExtLink='null', onlineDate='null', pubDate='1789401600000', pubDateStr='2026-09-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793337578473, creator='13701087609', updateTime=1793337578473, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1046, endPage=1053, ext={EN=ArticleExt(id=1322917017015165078, articleId=1322917016818032788, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Impact of Universal Time Prediction Errors on the Accuracy of Satellite Orbit Determination, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Aiming at the critical influence of universal time 1 (UT1) prediction accuracy on satellite precise orbit determination, this paper quantitatively analyzes the prediction performance of 116 batches of Bulletin A released by the international Earth rotation and reference systems service (IERS). Taking multi-orbit targets including the TianQin-3 satellite, space station and Beidou satellites as examples, the magnitude estimation formula for the influence of UT1 prediction error on orbit determination accuracy is verified. A rapid evaluation of the three-dimensional orbital deviation of satellites is realized only based on orbital radius and universal time error. The analysis results show that the UT1 prediction error of Bulletin A exhibits obvious uncertainty and increases significantly with the growth of time scale. Its 30-day mean prediction error (3.399 ms) causes orbital deviations ranging from 1.673 m to 24.79 m for satellites from low Earth orbit to deep space exploration represented by the TianQin-3 satellite. The quantitative results reveal that the accuracy of existing prediction products has a non-negligible impact on future high-precision aerospace missions, and demonstrate the necessity of developing China's independent and high-precision universal time measurement and prediction system.
, authors=Rui LI
1, 2, 3, 4, 5, Kui LIU
1, 2, 3, 4, 5, *, Chenggang QIN
1, 2, 3, 4, 5, Zipeng WU
6, Su ZHAN
1, 2, 3, 4, 5, Zhu LI
1, 2, 3, 4, 5, Defeng GU
6, Liangcheng TU
1, 2, 3, 4, 5, authorsList=Rui LI, Kui LIU, Chenggang QIN, Zipeng WU, Su ZHAN, Zhu LI, Defeng GU, Liangcheng TU, authorCompany=null, correspAuthors=Kui LIU, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322917020869730469, articleId=1322917016818032788, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=世界时预报误差对卫星定轨精度影响分析, columnId=1281909276545356011, journalTitle=大地测量与地球动力学, columnName=大地测量学, runingTitle=null, highlight=null, articleAbstract=
针对第一类世界时(UT1)预报精度对卫星精密定轨的关键影响,量化分析了116期国际地球自转和参考系服务A公报的预报性能。通过天琴三号、空间站及北斗卫星等多轨道实例,验证了世界时预报误差对定轨精度影响的量级估算公式,实现了仅基于轨道半径和世界时误差对卫星轨道三维偏差的快速评估。分析显示,A公报的世界时预报误差存在明显不确定性,且随时间尺度增加显著增大,其30 d平均预报误差(3.399 ms)导致地球低轨卫星至深空探测卫星(天琴三号)产生1.673~24.79 m的轨道偏差。量化结果揭示出现有预报产品精度对未来高精度航天任务具有不可忽略的影响,证明了发展我国自主、高精度世界时测量与预报系统的必要性。
, authors=李蕊
1, 2, 3, 4, 5, 柳奎
1, 2, 3, 4, 5, *, 秦成刚
1, 2, 3, 4, 5, 吴梓鹏
6, 詹苏
1, 2, 3, 4, 5, 李祝
1, 2, 3, 4, 5, 谷德峰
6, 涂良成
1, 2, 3, 4, 5, authorsList=李蕊, 柳奎, 秦成刚, 吴梓鹏, 詹苏, 李祝, 谷德峰, 涂良成, authorCompany=null, correspAuthors=柳奎, authorNote=
, correspAuthorsNote=
, copyrightStatement=
版权所有,未经授权,不得转载。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=t7v+O2q9Zo8W3PPBze2SAA==, magXml=4W62AgKKXJS8DnIXPahKyg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=/TP5UeLspeyq17wlrNY/Ig==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=RIzQ3wyoKt5tb/oIaaELmA==, mapNumber=null, fund=null)}, authors=[Author(id=1322917021708591290, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lirui276@mail2.sysu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322917021838614720, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, authorId=1322917021708591290, language=EN, stringName=Rui LI, firstName=Rui, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, 5, address=1 TianQin Research Center for Gravitational Physics, Sun Yat-sen University, Zhuhai 519082, China
2 School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, China
3 MOE Key Laboratory of TianQin Mission, Zhuhai 519082, China
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1, 2, 3, 4, 5, address=1 中山大学天琴中心, 珠海, 519082
2 中山大学物理与天文学院, 珠海, 519082
3 "天琴计划"教育部重点实验室, 珠海, 519082
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李蕊,硕士生,主要研究方向为基于大型激光陀螺仪的地球自转参数测量及其应用, E-mail: lirui276@mail2.sysu.edu.cn
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李蕊,硕士生,主要研究方向为基于大型激光陀螺仪的地球自转参数测量及其应用, E-mail: lirui276@mail2.sysu.edu.cn
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3 MOE Key Laboratory of TianQin Mission, Zhuhai 519082, China
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2 中山大学物理与天文学院, 珠海, 519082
3 "天琴计划"教育部重点实验室, 珠海, 519082
4 天琴前沿科学中心, 珠海, 519082
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1, 2, 3, 4, 5, address=1 TianQin Research Center for Gravitational Physics, Sun Yat-sen University, Zhuhai 519082, China
2 School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, China
3 MOE Key Laboratory of TianQin Mission, Zhuhai 519082, China
4 Frontiers Science Center for TianQin, Zhuhai 519082, China
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1, 2, 3, 4, 5, address=1 中山大学天琴中心, 珠海, 519082
2 中山大学物理与天文学院, 珠海, 519082
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43 (2): 183- 188, articleTitle=null, refAbstract=null)], funds=[Fund(id=1322917029996536089, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, awardId=42574061, language=CN, fundingSource=国家自然科学基金(42574061), fundOrder=null, country=null), Fund(id=1322917030067839258, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, awardId=PGMF-2024-P013, language=CN, fundingSource=国家精密重力测量科学中心开放课题(PGMF-2024-P013), fundOrder=null, country=null), Fund(id=1322917030168502555, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, awardId=NGL-2025-006, language=CN, fundingSource=国家精密重力测量科学中心开放课题(NGL-2025-006), fundOrder=null, country=null), Fund(id=1322917030231417116, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, awardId=SKLSD2025-KF-03, language=CN, fundingSource=空间基准全国重点实验室基金(SKLSD2025-KF-03), fundOrder=null, country=null), 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country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=6 中山大学人工智能学院, 珠海, 519082)])], figs=[ArticleFig(id=1322917026439766275, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 1, caption=
Mean UT1-UTC forecast errors from 116 IERS Bulletin A issues (2022-01-07 to 2024-03-22), figureFileSmall=sNL6zXFL2C341omjc0zd5Q==, figureFileBig=/TP5UeLspeyq17wlrNY/Ig==, tableContent=null), ArticleFig(id=1322917028109099268, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图1, caption=
2022-01-07—2024-03-22期间116期IERS A公报的UT1-UTC年度预报统计平均误差 浅蓝色表示对应预报天数下世界时平均误差对应的误差区间
, figureFileSmall=sNL6zXFL2C341omjc0zd5Q==, figureFileBig=/TP5UeLspeyq17wlrNY/Ig==, tableContent=null), ArticleFig(id=1322917028373340421, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 2, caption=
UT1-UTC annual forecast errors from a single issue of IERS Bulletin A (2024-01-04), figureFileSmall=33ABwE9XI97pRdFc9uKzOw==, figureFileBig=+UvuV3Qb0Oa2BQ1aL2G5Dw==, tableContent=null), ArticleFig(id=1322917028453032198, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图2, caption=
单期(2024-01-04)IERS A公报的UT1-UTC年预报误差, figureFileSmall=33ABwE9XI97pRdFc9uKzOw==, figureFileBig=+UvuV3Qb0Oa2BQ1aL2G5Dw==, tableContent=null), ArticleFig(id=1322917028536918279, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 3, caption=
Variations of coordinate errors of TianQin-3 satellite with prediction time, figureFileSmall=61BwmNVqDfO+6wAdaSINUQ==, figureFileBig=Na2Z1eZyc+nUFXft7zvRBA==, tableContent=null), ArticleFig(id=1322917028620804360, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图3, caption=
天琴三号卫星的坐标误差随预报时间的变化, figureFileSmall=61BwmNVqDfO+6wAdaSINUQ==, figureFileBig=Na2Z1eZyc+nUFXft7zvRBA==, tableContent=null), ArticleFig(id=1322917028687913225, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 4, caption=
Variations of 3D orbit errors (dr) of TianQin-3 satellite with prediction time, figureFileSmall=taEPpzHVxc+m904faI3CRg==, figureFileBig=y4P2e3/YeiQlNB8+E7ehdA==, tableContent=null), ArticleFig(id=1322917028763410698, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图4, caption=
天琴三号卫星的轨道三维误差(dr)随预报时间的变化, figureFileSmall=taEPpzHVxc+m904faI3CRg==, figureFileBig=y4P2e3/YeiQlNB8+E7ehdA==, tableContent=null), ArticleFig(id=1322917028851491083, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 5, caption=
Variations of 3D orbit errors (dr) of Chinese space station with prediction time, figureFileSmall=sayY7Ztx1+//SAnSwmpLWg==, figureFileBig=Tb8AF//DzUChly1Qo0Ktgw==, tableContent=null), ArticleFig(id=1322917028926988556, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图5, caption=
中国空间站的轨道三维误差(dr)随预报时间的变化, figureFileSmall=sayY7Ztx1+//SAnSwmpLWg==, figureFileBig=Tb8AF//DzUChly1Qo0Ktgw==, tableContent=null), ArticleFig(id=1322917028998291725, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 6, caption=
Variations of 3D orbit errors (dr) of BDS MEO satellite with prediction time, figureFileSmall=9vaXP9l7BG2JXRnGDHGClg==, figureFileBig=uw096GA2Rqy8SgzIAxiTxQ==, tableContent=null), ArticleFig(id=1322917029086372110, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图6, caption=
北斗MEO卫星的轨道三维误差(dr)随预报时间的变化, figureFileSmall=9vaXP9l7BG2JXRnGDHGClg==, figureFileBig=uw096GA2Rqy8SgzIAxiTxQ==, tableContent=null), ArticleFig(id=1322917029170258191, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Fig. 7, caption=
Correlation between UT1-UTC forecast errors and 3D orbit errors (dr) for different satellites, figureFileSmall=Gb43HrOYmMXef+IkAwTqUA==, figureFileBig=pj7Hbc8sZ7t0TCmt+ZESqA==, tableContent=null), ArticleFig(id=1322917029241561360, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=图7, caption=
世界时预报误差与各卫星的轨道三维误差(dr)的相关性, figureFileSmall=Gb43HrOYmMXef+IkAwTqUA==, figureFileBig=pj7Hbc8sZ7t0TCmt+ZESqA==, tableContent=null), ArticleFig(id=1322917029321253137, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Tab. 1, caption=
Mean, standard deviation, and maximum values of UT1-UTC forecast errors at different forecast horizons
, figureFileSmall=null, figureFileBig=null, tableContent=
| 预报时长/d | UT1-UTC预报误差/ms |
| 均值 | 标准差 | 最大值 |
| 1 | 0.056 | 0.063 | 0.452 |
| 10 | 0.410 | 0.302 | 1.299 |
| 30 | 3.399 | 2.575 | 11.573 |
| 365 | 44.013 | 32.738 | 101.203 |
), ArticleFig(id=1322917029421916434, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=表1, caption=
不同预报时长下的UT1-UTC预报误差的均值、标准差及最大值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 预报时长/d | UT1-UTC预报误差/ms |
| 均值 | 标准差 | 最大值 |
| 1 | 0.056 | 0.063 | 0.452 |
| 10 | 0.410 | 0.302 | 1.299 |
| 30 | 3.399 | 2.575 | 11.573 |
| 365 | 44.013 | 32.738 | 101.203 |
), ArticleFig(id=1322917029489025299, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Tab. 2, caption=
Impact of UT1-UTC forecast errors on orbit determination for satellites at various altitudes
, figureFileSmall=null, figureFileBig=null, tableContent=
| UT1-UTC预报平均误差 | 定轨误差 |
| LEO卫星(轨道高度400 km) | MEO卫星(轨道高度20 000 km) | GEO卫星(轨道高度36 000 km) | 天琴三号卫星(轨道高度105 km) | 深空探测卫星(轨道高度约1 AU) |
| 预报1 d(0.056 ms) | 0.028 m | 0.11 m | 0.17 m | 0.41 m | 0.61 km |
| 预报10 d(0.410 ms) | 0.202 m | 0.777 m | 1.26 m | 2.99 m | 4.47 km |
| 预报30 d(3.399 ms) | 1.673 m | 6.444 m | 10.41 m | 24.79 m | 37.08 km |
| 预报365 d(44.013 ms) | 21.664 m | 83.446 m | 134.80 m | 320.95 m | 480.14 km |
), ArticleFig(id=1322917029568717076, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=表2, caption=
不同预报时段的世界时误差对不同轨道高度卫星定轨的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| UT1-UTC预报平均误差 | 定轨误差 |
| LEO卫星(轨道高度400 km) | MEO卫星(轨道高度20 000 km) | GEO卫星(轨道高度36 000 km) | 天琴三号卫星(轨道高度105 km) | 深空探测卫星(轨道高度约1 AU) |
| 预报1 d(0.056 ms) | 0.028 m | 0.11 m | 0.17 m | 0.41 m | 0.61 km |
| 预报10 d(0.410 ms) | 0.202 m | 0.777 m | 1.26 m | 2.99 m | 4.47 km |
| 预报30 d(3.399 ms) | 1.673 m | 6.444 m | 10.41 m | 24.79 m | 37.08 km |
| 预报365 d(44.013 ms) | 21.664 m | 83.446 m | 134.80 m | 320.95 m | 480.14 km |
), ArticleFig(id=1322917029652603157, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Tab. 3, caption=
Orbit determination and UT1-UTC accuracy requirements for typical domestic satellites in different orbits
, figureFileSmall=null, figureFileBig=null, tableContent=
| 轨道类型 | 典型卫星 | 轨道半径r | 定轨精度需求 | 对应的世界时需求 |
| 低地球轨道 | 空间站 | 6.75×106 m | 0.1 m | 0.2 ms |
| 中地球轨道 | MEO卫星 | 2.60×107 m | 0.1 m | 0.05 ms |
| 高地球轨道 | IGSO卫星 | 4.20×107 m | 0.2 m | 0.07 ms |
| 特殊轨道 | 天琴三号卫星 | 1.00×108 m | 1 m | 0.1 ms |
), ArticleFig(id=1322917029732294934, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=表3, caption=
国内不同轨道典型卫星的定轨精度需求及其对应的世界时需求
, figureFileSmall=null, figureFileBig=null, tableContent=
| 轨道类型 | 典型卫星 | 轨道半径r | 定轨精度需求 | 对应的世界时需求 |
| 低地球轨道 | 空间站 | 6.75×106 m | 0.1 m | 0.2 ms |
| 中地球轨道 | MEO卫星 | 2.60×107 m | 0.1 m | 0.05 ms |
| 高地球轨道 | IGSO卫星 | 4.20×107 m | 0.2 m | 0.07 ms |
| 特殊轨道 | 天琴三号卫星 | 1.00×108 m | 1 m | 0.1 ms |
), ArticleFig(id=1322917029807792407, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=EN, label=Tab. 4, caption=
Comparison between simulated and theoretical values of orbit determination errors for TianQin-3 satellite, Beidou MEO satellites and space station caused by universal time prediction errors
, figureFileSmall=null, figureFileBig=null, tableContent=
| UT1-UTC预报最大误差 | 天琴三号卫星的最大轨道误差 | | 北斗MEO卫星的最大轨道误差 | | 空间站的最大轨道误差 |
| 仿真值/m | 理论值/m | 仿真值/m | 理论值/m | 仿真值/m | 理论值/m |
| 预报10 d(0.158 ms) | 0.847 | 1.15 | | 0.288 | 0.321 | | 0.064 1 | 0.077 8 |
| 预报30 d(1.408 ms) | 9.449 | 10.27 | 2.695 | 2.865 | 0.658 2 | 0.693 0 |
| 预报365 d (22.615 ms) | 164.77 | 164.91 | 45.711 | 46.010 | 11.077 | 11.132 |
), ArticleFig(id=1322917029879095576, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322917016818032788, language=CN, label=表4, caption=
世界时预报误差引起的天琴三号卫星、北斗MEO卫星和空间站定轨误差的仿真值与理论值对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| UT1-UTC预报最大误差 | 天琴三号卫星的最大轨道误差 | | 北斗MEO卫星的最大轨道误差 | | 空间站的最大轨道误差 |
| 仿真值/m | 理论值/m | 仿真值/m | 理论值/m | 仿真值/m | 理论值/m |
| 预报10 d(0.158 ms) | 0.847 | 1.15 | | 0.288 | 0.321 | | 0.064 1 | 0.077 8 |
| 预报30 d(1.408 ms) | 9.449 | 10.27 | 2.695 | 2.865 | 0.658 2 | 0.693 0 |
| 预报365 d (22.615 ms) | 164.77 | 164.91 | 45.711 | 46.010 | 11.077 | 11.132 |
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