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Simulation of the Tianwen-4 Mission Contribution to Jupiter Gravity Field Improvement

文献类型：期刊论文

作者Afzal, Zohaib2; Yan, Jianguo2,4; Dirkx, Dominic1; Huang, Yong3; Wang, Zhen4; Haider, Zeeshan2; Barriot, Jean-Pierre2
刊名ASTROPHYSICAL JOURNAL
出版日期2025-03-10
卷号981期号:2页码:163
ISSN号0004-637X
DOI10.3847/1538-4357/adb1e8
产权排序2
英文摘要This study comprehensively evaluates the impact of the expected Chinese Tianwen-4 mission, in conjunction with the existing data from the Juno mission, on enhancing the understanding of Jupiter's gravity field. Integrating simulated data from both missions. The methodology incorporates detailed simulations of Tianwen-4's orbit, assessing its influence on Jupiter's gravity field estimations across various orbital inclinations. It also explores the integration of multimission tracking data, combining simulated Juno and Tianwen-4 data. In addition to the static gravity coefficient, the analysis extends to include the tidal effect knm, which quantifies the tidal response of Jupiter's gravity field to forcing it by the Galilean satellites. The results indicate clear potential improvements in the precision of the gravity field models compared to those derived from the Juno mission alone, particularly in the lower degree harmonics, where accuracy improves by an average factor of 20.08 in the first 12 degrees, gradually decreasing to 2.46, with an overall enhancement of 7.43. These enhancements underscore the value of integrating data from multiple missions, which provides a more nuanced understanding of Jupiter's gravitational properties. Improving the gravity field model is essential for gaining deeper insights into Jupiter's internal structure and dynamics, which ultimately enhances our understanding of giant planets and their formation. Accurate gravity models are crucial for interpreting a planet's physical and chemical properties, leading to better comprehension of planetary systems.
WOS关键词GIANT PLANETS ; EPHEMERIDES ; TRACKING ; EUROPA ; INTERIORS ; CALLISTO ; SATURN ; JUICE
资助项目National Key Research and Development Program of China[2022YFF0503202] ; National Natural Science Foundation of China[42241116] ; National Natural Science Foundation of China[42402230] ; The 2022 Project of Xinjiang Uygur Autonomous Region of China for Heaven Lake Talent Program ; Chinese Academy of Sciences Foundation of the young scholars of western[2020-XBQNXZ-019] ; open project of the Key Laboratory in Xinjiang Uygur Autonomous Region of China[2023D04058]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001439592500001
出版者IOP Publishing Ltd
资助机构National Key Research and Development Program of China ; National Natural Science Foundation of China ; The 2022 Project of Xinjiang Uygur Autonomous Region of China for Heaven Lake Talent Program ; Chinese Academy of Sciences Foundation of the young scholars of western ; open project of the Key Laboratory in Xinjiang Uygur Autonomous Region of China
源URL[http://ir.xao.ac.cn/handle/45760611-7/7481]  
专题射电天文研究室_行星科学研究组
通讯作者Yan, Jianguo
作者单位1.Delft Univ Technol, Kluyverweg 1, NL-2629 HS Delft, Netherlands
2.Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & Re, Wuhan, Peoples R China
3.Shanghai Astron Observ, Shanghai 200030, Peoples R China
4.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
推荐引用方式
GB/T 7714		 Afzal, Zohaib,Yan, Jianguo,Dirkx, Dominic,et al. Simulation of the Tianwen-4 Mission Contribution to Jupiter Gravity Field Improvement[J]. ASTROPHYSICAL JOURNAL,2025,981(2):163.
APA Afzal, Zohaib.,Yan, Jianguo.,Dirkx, Dominic.,Huang, Yong.,Wang, Zhen.,...&Barriot, Jean-Pierre.(2025).Simulation of the Tianwen-4 Mission Contribution to Jupiter Gravity Field Improvement.ASTROPHYSICAL JOURNAL,981(2),163.
MLA Afzal, Zohaib,et al."Simulation of the Tianwen-4 Mission Contribution to Jupiter Gravity Field Improvement".ASTROPHYSICAL JOURNAL 981.2(2025):163.

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来源：新疆天文台

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