Article(id=1322567104759443483, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322567020940481144, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2025.06.195, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1749398400000, receivedDateStr=2025-06-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793254169882, onlineDateStr=2026-10-29, pubDate=1776182400000, pubDateStr=2026-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793254169882, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793254169882, creator=13701087609, updateTime=1793254169882, updator=13701087609, issue=Issue{id=1322567020940481144, tenantId=1146029695717560320, journalId=1281212831689347082, year='2026', volume='46', issue='4', pageStart='392', pageEnd='521', issueExtLink='null', onlineDate='null', pubDate='1776182400000', pubDateStr='2026-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793254149899, creator='13701087609', updateTime=1793254149899, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=497, endPage=502, ext={EN=ArticleExt(id=1322567106755932188, articleId=1322567104759443483, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Impact of Atmospheric Drag Coefficient Solution Strategies on LEO Satellite Orbit Determination and Prediction Using Regional Ground-Based High-Precision Ranging Data, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
We investigate orbit determination and prediction for low Earth orbit (LEO) satellites using high-precision ranging data from a sparse regional network of ground stations. Aiming at applications with limited observational data, three strategies for resolving the atmospheric drag coefficient (CD) are proposed: 1) Unconstrained estimation using the long-arc CD solution as the initial value. 2) Using the long-arc CD solution as the initial value, and the accuracy factor of long-arc CD solution as the accuracy constraint. 3) Directly using the long-arc CD solution as a fixed value. The results show that the mean orbit determination residuals for all three strategies are below 0.17 m. Compared to the precise orbit, the 3D orbit determination accuracy for all three methods is better than 10 m. For the 24-hour predicted arc, the unconstrained solution achieves a RMS better than 55 m, while both the constrained and fully constrained solutions achieve an accuracy better than 15 m. This study verifies the feasibility of independent LEO satellite orbit determination using ground-based high-precision ranging data.
, authors=Yunke ZHANG
1, 2, Xinhao LIAO
1, 2, *, Chengpan TANG
2, Kai LI
2, Shanshi ZHOU
2, authorsList=Yunke ZHANG, Xinhao LIAO, Chengpan TANG, Kai LI, Shanshi ZHOU, authorCompany=null, correspAuthors=Xinhao LIAO, 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=1322567113387126824, articleId=1322567104759443483, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=大气阻力系数解算策略对低轨卫星区域地基高精度测距定轨及预报的影响, columnId=1281909276545356011, journalTitle=大地测量与地球动力学, columnName=大地测量学, runingTitle=null, highlight=null, articleAbstract=
基于区域分布的少量地面站点高精度测距数据, 开展低轨卫星轨道解算及预报研究, 针对有限观测数据应用场景, 提出3种大气阻力系数(CD)解算策略, 具体为: 1)以长弧段CD解为初值进行无约束解算; 2)以长弧段CD解为初值, 长弧段CD解精度因子为精度约束; 3)直接使用长弧段CD解作为固定值。结果表明, 3种定轨策略下的定轨残差均值均不超过0.17 m; 相较于精密轨道, 3种定轨方式的三维定轨精度均优于10 m, 无约束解24 h预报弧段互差RMS优于55 m, 约束解及全约束解24 h预报弧段精度优于15 m。本文结果验证了使用地基高精度测距数据进行低轨卫星独立定轨的可行性。
, authors=张芸珂
1, 2, 廖新浩
1, 2, *, 唐成盼
2, 李凯
2, 周善石
2, authorsList=张芸珂, 廖新浩, 唐成盼, 李凯, 周善石, authorCompany=null, correspAuthors=廖新浩, authorNote=
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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=Vu841HvsB4B4zKMLukvaIA==, magXml=aPoz8eI3ClxFFrHmuUOwWg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=ngu+TpH8YWn4au5XQLXN4A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=a0bHjpllC9rgcMxdXE+iIQ==, mapNumber=null, fund=null)}, authors=[Author(id=1322567116386054192, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhangyunke@shao.ac.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322567116834844723, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, authorId=1322567116386054192, language=EN, stringName=Yunke ZHANG, firstName=Yunke, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1 School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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Ground-based high-precision ranging, figureFileSmall=WksqLQeBAN712d2bM8K6+A==, figureFileBig=ngu+TpH8YWn4au5XQLXN4A==, tableContent=null), ArticleFig(id=1322567124304900181, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=图1, caption=
地基高精度测距, figureFileSmall=WksqLQeBAN712d2bM8K6+A==, figureFileBig=ngu+TpH8YWn4au5XQLXN4A==, tableContent=null), ArticleFig(id=1322567124724330582, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=EN, label=Fig. 2, caption=
Internal consistency residuals of LEO satellite orbit determination using ground-based high-precision ranging, figureFileSmall=5OSnJC078b9hqsK49aF2tA==, figureFileBig=Z16KZGqfX60TiLQ0nvnyyQ==, tableContent=null), ArticleFig(id=1322567124808216663, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=图2, caption=
低轨卫星地基高精度测距定轨内符合残差, figureFileSmall=5OSnJC078b9hqsK49aF2tA==, figureFileBig=Z16KZGqfX60TiLQ0nvnyyQ==, tableContent=null), ArticleFig(id=1322567125189898328, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=EN, label=Fig. 3, caption=
Residuals of LEO satellite orbit determination using ground-based high-precision ranging, figureFileSmall=LshjGDFLHRE6ubvfr2PiKg==, figureFileBig=gjkJMfBwejDPXsEgJz+LMA==, tableContent=null), ArticleFig(id=1322567125579968601, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=图3, caption=
低轨卫星地基高精度测距定轨残差, figureFileSmall=LshjGDFLHRE6ubvfr2PiKg==, figureFileBig=gjkJMfBwejDPXsEgJz+LMA==, tableContent=null), ArticleFig(id=1322567125680631899, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=EN, label=Fig. 4, caption=
Comparison between ground-based ranging and onboard GNSS orbit determination results, figureFileSmall=9hnWmi5sjQXScuu8LxD2UA==, figureFileBig=Dkw+5lJqfAqn0zY/B6SVvQ==, tableContent=null), ArticleFig(id=1322567126062313564, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=图4, caption=
地基测距定轨结果与星载GNSS定轨结果比较, figureFileSmall=9hnWmi5sjQXScuu8LxD2UA==, figureFileBig=Dkw+5lJqfAqn0zY/B6SVvQ==, tableContent=null), ArticleFig(id=1322567126137811037, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=EN, label=Tab. 1, caption=
LEO satellite orbit determination strategies using ground-based high-precision ranging
, figureFileSmall=null, figureFileBig=null, tableContent=
| 动力学模型 | 测量模型 | 参数估计策略 |
| 地球重力场模型 | EGM2008 140×140 | 观测数据 | 低轨卫星地基测距数据 | 待估参数 | 卫星初始位置与速度参数、观测链路时延、CD |
| 大气密度模型 | DTM94 | 测站位移 | 考虑固体潮效应、海潮效应 | 参数估计方法 | 最小二乘估计 |
| 固体潮模型 | IERS 2010 | 截止高度角 | 地面台站观测截止高度角为15° | | |
| 海潮模型 | FES2004 | 对流层延迟模型 | Saastamoinen模型 | | |
| N体摄动 | JPL DE405 | | | | |
| 太阳辐射压模型 | 太阳辐射压球模型 | | | | |
| ERP参数 | IERS Bulletin A | | | | |
), ArticleFig(id=1322567126498521182, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=表1, caption=
低轨卫星地基高精度测距定轨策略
, figureFileSmall=null, figureFileBig=null, tableContent=
| 动力学模型 | 测量模型 | 参数估计策略 |
| 地球重力场模型 | EGM2008 140×140 | 观测数据 | 低轨卫星地基测距数据 | 待估参数 | 卫星初始位置与速度参数、观测链路时延、CD |
| 大气密度模型 | DTM94 | 测站位移 | 考虑固体潮效应、海潮效应 | 参数估计方法 | 最小二乘估计 |
| 固体潮模型 | IERS 2010 | 截止高度角 | 地面台站观测截止高度角为15° | | |
| 海潮模型 | FES2004 | 对流层延迟模型 | Saastamoinen模型 | | |
| N体摄动 | JPL DE405 | | | | |
| 太阳辐射压模型 | 太阳辐射压球模型 | | | | |
| ERP参数 | IERS Bulletin A | | | | |
), ArticleFig(id=1322567126825676895, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=EN, label=Tab. 2, caption=
Coverage rate of ranging data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 定轨弧段 | 卫星 | 数据覆盖率/% |
| 2024-11-20 | 02 | 3.95 |
| 07 | 4.33 |
| 09 | 4.29 |
| 2024-11-21 | 02 | 3.98 |
| 07 | 5.25 |
| 09 | 4.30 |
| 2024-11-22 | 02 | 4.18 |
| 07 | 4.27 |
| 09 | 4.35 |
| 2024-11-23 | 02 | 3.94 |
| 07 | 4.12 |
| 09 | 3.36 |
| 2024-11-24 | 02 | 4.03 |
| 07 | 4.43 |
| 09 | 3.87 |
), ArticleFig(id=1322567126901174368, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=表2, caption=
测距数据覆盖率
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| 定轨弧段 | 卫星 | 数据覆盖率/% |
| 2024-11-20 | 02 | 3.95 |
| 07 | 4.33 |
| 09 | 4.29 |
| 2024-11-21 | 02 | 3.98 |
| 07 | 5.25 |
| 09 | 4.30 |
| 2024-11-22 | 02 | 4.18 |
| 07 | 4.27 |
| 09 | 4.35 |
| 2024-11-23 | 02 | 3.94 |
| 07 | 4.12 |
| 09 | 3.36 |
| 2024-11-24 | 02 | 4.03 |
| 07 | 4.43 |
| 09 | 3.87 |
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RMS of orbit results in different directions for LEO satellites under various strategies
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| 卫星 | 解算策略 | R/m | T/m | N/m | 3D/m |
| 02 | CD无约束解 | 1.056 | 3.684 | 2.894 | 4.803 |
| CD约束解 | 1.233 | 3.466 | 4.499 | 5.811 |
| CD全约束解 | 1.233 | 3.466 | 4.500 | 5.813 |
| 07 | CD无约束解 | 2.011 | 7.479 | 1.974 | 7.993 |
| CD约束解 | 1.740 | 6.881 | 1.713 | 7.301 |
| CD全约束解 | 1.740 | 6.881 | 1.713 | 7.301 |
| 09 | CD无约束解 | 0.779 | 4.718 | 1.401 | 4.983 |
| CD约束解 | 1.065 | 4.018 | 1.730 | 4.502 |
| CD全约束解 | 1.065 | 4.018 | 1.730 | 4.502 |
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不同策略下低轨卫星各方向轨道互差RMS
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| 卫星 | 解算策略 | R/m | T/m | N/m | 3D/m |
| 02 | CD无约束解 | 1.056 | 3.684 | 2.894 | 4.803 |
| CD约束解 | 1.233 | 3.466 | 4.499 | 5.811 |
| CD全约束解 | 1.233 | 3.466 | 4.500 | 5.813 |
| 07 | CD无约束解 | 2.011 | 7.479 | 1.974 | 7.993 |
| CD约束解 | 1.740 | 6.881 | 1.713 | 7.301 |
| CD全约束解 | 1.740 | 6.881 | 1.713 | 7.301 |
| 09 | CD无约束解 | 0.779 | 4.718 | 1.401 | 4.983 |
| CD约束解 | 1.065 | 4.018 | 1.730 | 4.502 |
| CD全约束解 | 1.065 | 4.018 | 1.730 | 4.502 |
), ArticleFig(id=1322567127404490851, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=EN, label=Tab. 4, caption=
RMS of the 24-hour predicted orbit results in different directions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 卫星 | 解算策略 | R/m | T/m | N/m | 3D/m |
| 02 | CD无约束解 | 3.065 | 29.878 | 3.544 | 30.244 |
| CD约束解 | 3.178 | 8.660 | 5.455 | 10.717 |
| CD全约束解 | 3.178 | 8.666 | 5.457 | 10.723 |
| 07 | CD无约束解 | 3.085 | 42.546 | 1.627 | 42.689 |
| CD约束解 | 2.878 | 8.331 | 0.914 | 8.861 |
| CD全约束解 | 2.878 | 8.330 | 0.914 | 8.860 |
| 09 | CD无约束解 | 2.381 | 52.682 | 3.493 | 52.851 |
| CD约束解 | 3.239 | 14.135 | 2.581 | 14.729 |
| CD全约束解 | 3.239 | 14.135 | 2.581 | 14.730 |
), ArticleFig(id=1322567127664537700, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322567104759443483, language=CN, label=表4, caption=
24 h预报轨道各方向互差RMS
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| 卫星 | 解算策略 | R/m | T/m | N/m | 3D/m |
| 02 | CD无约束解 | 3.065 | 29.878 | 3.544 | 30.244 |
| CD约束解 | 3.178 | 8.660 | 5.455 | 10.717 |
| CD全约束解 | 3.178 | 8.666 | 5.457 | 10.723 |
| 07 | CD无约束解 | 3.085 | 42.546 | 1.627 | 42.689 |
| CD约束解 | 2.878 | 8.331 | 0.914 | 8.861 |
| CD全约束解 | 2.878 | 8.330 | 0.914 | 8.860 |
| 09 | CD无约束解 | 2.381 | 52.682 | 3.493 | 52.851 |
| CD约束解 | 3.239 | 14.135 | 2.581 | 14.729 |
| CD全约束解 | 3.239 | 14.135 | 2.581 | 14.730 |
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