Long-term evolution of asteroids in the 2:1 Mean Motion Resonance

被引：1
|
作者：
Skoulidou, Despoina K. [1 ]
Tsiganis, Kleomenis [1 ]
Varvoglis, Harry [1 ]
机构：
[1] Aristotle Univ Thessaloniki, Dept Phys, Sect Astrophys Astron & Mech, Thessaloniki 54124, Greece
来源：
COMPLEX PLANETARY SYSTEMS | 2014年 / 9卷 / 310期
关键词：
asteroids; methods: numerical; resonances; Yarkovsky effect; BEHAVIOR; ORIGIN;
D O I：
10.1017/S1743921314008205
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The problem of the origin of asteroids residing in the Jovian first-order mean motion resonances is still open. Is the observed population survivors of a much larger population formed in the resonance in primordial times? Here, we study the evolution of 182 long-lived asteroids in the 2:1 Mean Motion Resonance, identified in Broz & Vokrouhlicky (2008). We numerically integrate their trajectories in two different dynamical models of the solar system: (a) accounting for the gravitational effects of the four giant planets (i.e. 4-pl) and (b) adding the terrestrial planets from Venus to Mars (i.e. 7-pl). We also include an approximate treatment of the Yarkovksy effect (as in Tsiganis et al. 2003), assuming appropriate values for the asteroid diameters.
引用
收藏
页码：178 / 179
页数：2
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