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Analysis of the equilibrium points and orbits stability for the asteroid 93 Minerva
Liu, Hu1,2; Jiang, Yu3; Lang, Anqi1; Wang, Yajie2; Zou, Xiaoduan4; Ping, Jinsong5; Chang, Yutong3; Yang YZ(杨永章)6; Zheng, Chen7; Lian, Yi5,8; Cao, Jianfeng9
发表期刊OPEN ASTRONOMY
2022-11-09
卷号11期号:1页码:375-389
DOI10.1515/astro-2022-0207
产权排序第6完成单位
收录类别SCI
关键词asteroids 93 Minerva equilibrium points
摘要

In this article, we study the orbital dynamics with the gravitational potential of the asteroid 93 Minerva using an irregular shape model from observations. We calculate its physical size, physical mass, surface height, and zero-velocity surface. Meanwhile, we recognize that there are five equilibrium points around Minerva, four of which are external, and one is internal. Two of the external equilibrium points are stable and near the y-axis, while two external equilibrium points are unstable and near the x-axis. In addition, we study the changes in the number, position, and topological case of the equilibrium points when changing the spin speed and the density. We calculate the gravitational force acceleration of the polyhedron model, and we back up our calculations by simulating the orbit of one moonlet under the gravitational force acceleration of Minerva. With the simulation result, we demonstrate the existence of stable orbits around Minerva.

资助项目Natural Science Foundation of China[U21B2050] ; Natural Science Foundation of China[11902238] ; China Postdoctoral Science Foundation[2020M673373]
项目资助者Natural Science Foundation of China[U21B2050, 11902238] ; China Postdoctoral Science Foundation[2020M673373]
语种英语
学科领域天体测量学
学科门类理学 ; 理学::天文学
文章类型Article
出版者DE GRUYTER POLAND SP Z O O
出版地BOGUMILA ZUGA 32A STR, 01-811 WARSAW, MAZOVIA, POLAND
URL查看原文
WOS记录号WOS:000880506400001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]DYNAMICAL ENVIRONMENT ; PERIODIC-ORBITS ; VICINITY ; ITOKAWA ; FIELD ; IRAS
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文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/25647
专题应用天文研究组
通讯作者Jiang, Yu
作者单位1.State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China;
2.Key Laboratory for Fault Diagnosis and Maintenance of Spacecraftin-Orbit, Xi’an Satellite Control Center, Xi’an, 710043, China;
3.State Key Laboratory of Astronautic Dynamics, Xi’an Satellite Control Center, Xi’an, 710043, China;
4.Planetary Science Institute, Tucson, 85719, United States;
5.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China;
6.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China;
7.School of Mathematics and Statistics, Henan University, Kaifeng, Henan, 475004, China;
8.College of Geographic and Environmental Sciences, Tianjin Normal University, Tianjin, 300387, China;
9.Aerospace Flight Dynamics Laboratory Beijing Aerospace Control Center Science and Technology, Beijing, 100094, China
推荐引用方式
GB/T 7714
Liu, Hu,Jiang, Yu,Lang, Anqi,et al. Analysis of the equilibrium points and orbits stability for the asteroid 93 Minerva[J]. OPEN ASTRONOMY,2022,11(1):375-389.
APA Liu, Hu.,Jiang, Yu.,Lang, Anqi.,Wang, Yajie.,Zou, Xiaoduan.,...&Cao, Jianfeng.(2022).Analysis of the equilibrium points and orbits stability for the asteroid 93 Minerva.OPEN ASTRONOMY,11(1),375-389.
MLA Liu, Hu,et al."Analysis of the equilibrium points and orbits stability for the asteroid 93 Minerva".OPEN ASTRONOMY 11.1(2022):375-389.
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