Mercury and orbfit packages for numerical integration of planetary systems: implementation of the yarkovsky and yorp effects

IF 0.8 4区 物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS Serbian Astronomical Journal Pub Date : 2022-02-28 DOI:10.2298/SAJ2204051F
M. Fenucci, B. Novakovi'c
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引用次数: 1

Abstract

For studies of the long-term evolution of small Solar System objects, it is fundamental to add the Yarkovsky and Yarkovsky-O'Keefe-Radzievskii-Paddack (YORP) effects in the dynamical model. Still, implementations of these effects in publicly available N-body codes is either lacking, or the effects are implemented using significantly simplified models. In this paper, we present an implementation of the coupled Yarkovsky/YORP effects in the mercury and orbfit N-body codes. Along with these two effects, we also included the effects of non-destructive collisions and rotationally induced breakups to model the asteroid spin state properly. Given the stochastic nature of many incorporated effects, the software is suitable for statistical dynamical studies. Here we primarily explained the scientific aspect of the implementation, while technical details will be made freely available along with the source codes.
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行星系统数值集成的水星和轨道包:亚尔科夫斯基和约普效应的实现
对于研究太阳系小天体的长期演化,在动力学模型中加入Yarkovsky和Yarkovsky- o 'Keefe-Radzievskii-Paddack (YORP)效应是至关重要的。然而,在公开可用的n体代码中实现这些效果要么是缺乏的,要么是使用非常简化的模型实现的。在本文中,我们提出了一个在汞和轨道n体代码中耦合Yarkovsky/YORP效应的实现。除了这两种影响,我们还包括了非破坏性碰撞和旋转引起的分裂的影响,以正确地模拟小行星的自旋状态。鉴于许多合并效应的随机性质,该软件适用于统计动力学研究。在这里,我们主要解释了实现的科学方面,而技术细节将与源代码一起免费提供。
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来源期刊
Serbian Astronomical Journal
Serbian Astronomical Journal ASTRONOMY & ASTROPHYSICS-
CiteScore
1.00
自引率
0.00%
发文量
6
审稿时长
12 weeks
期刊介绍: Serbian Astronomical Journal publishes original observations and researches in all branches of astronomy. The journal publishes: Invited Reviews - review article on some up-to-date topic in astronomy, astrophysics and related fields (written upon invitation only), Original Scientific Papers - article in which are presented previously unpublished author''s own scientific results, Preliminary Reports - original scientific paper, but shorter in length and of preliminary nature, Professional Papers - articles offering experience useful for the improvement of professional practice i.e. article describing methods and techniques, software, presenting observational data, etc. In some cases the journal may publish other contributions, such as In Memoriam notes, Obituaries, Book Reviews, as well as Editorials, Addenda, Errata, Corrigenda, Retraction notes, etc.
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