JiangHui Ji1; Hiroshi Kinoshita2; Lin Liu3; GuangYu Li1
Source Publicationresearchinastronomyandastrophysics
AbstractWe perform numerical simulations to study the secular orbital evolution and dynamical structure of the quintuplet planetary system 55 Cancri with the self-consistent orbital solutions by Fischer and coworkers. In the simulations, we show that this system can be stable for at least 10(8) yr. In addition, we extensively investigate the planetary configuration of four outer companions with one terrestrial planet in the wide region of 0.790AU <= a <= 5.900AU to examine the existence of potential asteroid structure and Habitable Zones (HZs). We show that there are unstable regions for orbits about 4:1, 3:1 and 5:2 mean motion resonances (MMRs) of the outermost planet in the system, and several stable orbits can remain at 3:2 and 1: 1 MMRs, which resembles the asteroid belt in the solar system. From a dynamical viewpoint, proper HZ candidates for the existence of more potential terrestrial planets reside in the wide area between 1.0 AU and 2.3 AU with relatively low eccentricities.
Document Type期刊论文
2.National Astronomical Observatory,Mitaka,Tokyo
3.Department of Astronomy,Nanjing University
First Author Affilication中国科学院紫金山天文台
Recommended Citation
GB/T 7714
JiangHui Ji,Hiroshi Kinoshita,Lin Liu,et al. thedynamicalarchitectureandhabitablezonesofthequintupletplanetarysystem55cancri[J]. researchinastronomyandastrophysics,2009,9(6):703.
APA JiangHui Ji,Hiroshi Kinoshita,Lin Liu,&GuangYu Li.(2009).thedynamicalarchitectureandhabitablezonesofthequintupletplanetarysystem55cancri.researchinastronomyandastrophysics,9(6),703.
MLA JiangHui Ji,et al."thedynamicalarchitectureandhabitablezonesofthequintupletplanetarysystem55cancri".researchinastronomyandastrophysics 9.6(2009):703.
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