Celestial mechanics and dynamical astronomy最新文献

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Symmetric periodic orbits in the Hamiltonian Galactic-Tidal models 哈密顿星系-潮汐模型中的对称周期轨道
Celestial mechanics and dynamical astronomy Pub Date : 2023-06-01 DOI: 10.1007/s10569-023-10149-0
A. Alberti
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引用次数: 0
A LiDAR-less approach to autonomous hazard detection and avoidance systems based on semantic segmentation 基于语义分割的无激光雷达自动危险检测与避免系统
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-30 DOI: 10.1007/s10569-023-10140-9
Pelayo Peñarroya, S. Centuori, M. Sanjurjo, P. Hermosin
{"title":"A LiDAR-less approach to autonomous hazard detection and avoidance systems based on semantic segmentation","authors":"Pelayo Peñarroya, S. Centuori, M. Sanjurjo, P. Hermosin","doi":"10.1007/s10569-023-10140-9","DOIUrl":"https://doi.org/10.1007/s10569-023-10140-9","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73313737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Conley–Zehnder indices of the spatial Hill three-body problem 空间Hill三体问题的Conley-Zehnder指数
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-23 DOI: 10.1007/s10569-023-10134-7
Cengiz Aydin
{"title":"The Conley–Zehnder indices of the spatial Hill three-body problem","authors":"Cengiz Aydin","doi":"10.1007/s10569-023-10134-7","DOIUrl":"https://doi.org/10.1007/s10569-023-10134-7","url":null,"abstract":"Abstract We explore the interaction between the Conley–Zehnder index and bifurcation points of symmetric planar as well as spatial periodic orbits in the spatial Hill three-body problem. We start with the fundamental families of planar periodic orbits which are those of direct (family g ) and retrograde periodic orbits (family f ). Since the spatial system is invariant under a symplectic involution, whose fixed point set corresponds to the planar problem, planar orbits have planar and spatial Floquet multipliers, and planar and spatial Conley–Zehnder indices. When the Floquet multipliers move through a root of unity, new families of periodic orbits bifurcate and the index jumps. For very low energies, the families g and f arise dynamically from the rotating Kepler problem, and in a recent work (Aydin From Babylonian lunar observations to Floquet multipliers and Conley-Zehnder Indices) we determined analytically their indices. By their numerical continuations for higher energies, we determine the index of various families of planar and spatial periodic orbits bifurcating from g and f . Since these families can bifurcate again and meet each other, this procedure can get complicated. This index leads to a grading on local Floer homology. Since the local Floer homology and its Euler characteristic stay invariant under bifurcation, the index provides important information about the interconnectedness of such families, which we illustrate in form of bifurcation graphs. Since the solutions of Hill’s system may serve as orbits for space mission design or astronomical observations, our results promote the interaction between Symplectic Geometry and practical problems.","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135140264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
On mean elements in artificial-satellite theory 论人造卫星理论中的平均元
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-16 DOI: 10.1007/s10569-023-10153-4
M. Lara
{"title":"On mean elements in artificial-satellite theory","authors":"M. Lara","doi":"10.1007/s10569-023-10153-4","DOIUrl":"https://doi.org/10.1007/s10569-023-10153-4","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"19 2-6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78486380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Satellites’ orbits in the Sun–Earth–Moon system 太阳-地球-月球系统中的卫星轨道
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-16 DOI: 10.1007/s10569-023-10146-3
M. Humi
{"title":"Satellites’ orbits in the Sun–Earth–Moon system","authors":"M. Humi","doi":"10.1007/s10569-023-10146-3","DOIUrl":"https://doi.org/10.1007/s10569-023-10146-3","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"23 1","pages":"1-15"},"PeriodicalIF":0.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79010799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variational proof of the existence of periodic orbits in the anisotropic Kepler problem 各向异性开普勒问题中周期轨道存在的变分证明
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-04 DOI: 10.1007/s10569-023-10133-8
S. Iguchi, M. Shibayama
{"title":"Variational proof of the existence of periodic orbits in the anisotropic Kepler problem","authors":"S. Iguchi, M. Shibayama","doi":"10.1007/s10569-023-10133-8","DOIUrl":"https://doi.org/10.1007/s10569-023-10133-8","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"11 1","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80963168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Relativistic gravitational force 相对论引力
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-02 DOI: 10.1007/s10569-023-10138-3
S. Edvardsson
{"title":"Relativistic gravitational force","authors":"S. Edvardsson","doi":"10.1007/s10569-023-10138-3","DOIUrl":"https://doi.org/10.1007/s10569-023-10138-3","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"2 1","pages":"1-56"},"PeriodicalIF":0.0,"publicationDate":"2023-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88550286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the integral solution of elliptic Kepler’s equation 椭圆型开普勒方程的积分解
Celestial mechanics and dynamical astronomy Pub Date : 2023-05-02 DOI: 10.1007/s10569-023-10142-7
M. Calvo, A. Elipe, L. Rández
{"title":"On the integral solution of elliptic Kepler’s equation","authors":"M. Calvo, A. Elipe, L. Rández","doi":"10.1007/s10569-023-10142-7","DOIUrl":"https://doi.org/10.1007/s10569-023-10142-7","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"50 1","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2023-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90792972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Secular orbital dynamics of the innermost exoplanet of the $$upsilon $$ υ -Andromedæ system $$upsilon $$ υ -仙女座星系最内层系外行星的长期轨道动力学
Celestial mechanics and dynamical astronomy Pub Date : 2023-04-18 DOI: 10.1007/s10569-023-10141-8
Rita Mastroianni, U. Locatelli
{"title":"Secular orbital dynamics of the innermost exoplanet of the \u0000 \u0000 \u0000 \u0000 $$upsilon $$\u0000 \u0000 υ\u0000 \u0000 -Andromedæ system","authors":"Rita Mastroianni, U. Locatelli","doi":"10.1007/s10569-023-10141-8","DOIUrl":"https://doi.org/10.1007/s10569-023-10141-8","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"20 1","pages":"1-41"},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82413720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Reducing roundoff errors in numerical integration of planetary ephemeris 减小行星星历数值积分中的舍入误差
Celestial mechanics and dynamical astronomy Pub Date : 2023-04-10 DOI: 10.1007/s10569-023-10139-2
M. Subbotin, Alexander Kodukov, D. Pavlov
{"title":"Reducing roundoff errors in numerical integration of planetary ephemeris","authors":"M. Subbotin, Alexander Kodukov, D. Pavlov","doi":"10.1007/s10569-023-10139-2","DOIUrl":"https://doi.org/10.1007/s10569-023-10139-2","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"136 1","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2023-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73167443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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