PMO OpenIR
simulationsforterrestrialplanetsformation
ZHANG Niu1; JI JiangHui2
2009
Source Publicationscienceinchinaseriesgphysicsmechanicsastronomy
ISSN1672-1799
Volume52Issue:5Pages:794
AbstractIn this paper, the formation of terrestrial planets in the late stage of planetary formation is investigated using the two-planet model. At that time, the protostar formed for about 3 Ma and the gas disk dissipated. In the model, the perturbations from Jupiter and Saturn are considered. Variations of the mass of outer planet, and the initial eccentricities and inclinations of embryos and planetesimals are also considered. Our results show that, terrestrial planets are formed in 50 Ma, and the accretion rate is about 60%-80%. In each simulation, 3-4 terrestrial planets are formed inside "Jupiter" with masses of 0.15-3.6 M (aS center dot). In the 0.5-4 AU, when the eccentricities of planetesimals are excited, planetesimals are able to accrete material from wide radial direction. The plenty of water material of the terrestrial planet in the Habitable Zone may be transferred from the farther places by this mechanism. Accretion could also happen a few times between two major planets only if the outer planet has a moderate mass and the small terrestrial planet could survive at some resonances over time scale of 10(8) a. In one of our simulations, commensurability of the orbital periods of planets is very common. Moreover, a librating-circulating 3:2 configuration of mean motion resonance is found.
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/28952
Collection中国科学院紫金山天文台
Affiliation1.中国科学院大学
2.中国科学院紫金山天文台
Recommended Citation
GB/T 7714
ZHANG Niu,JI JiangHui. simulationsforterrestrialplanetsformation[J]. scienceinchinaseriesgphysicsmechanicsastronomy,2009,52(5):794.
APA ZHANG Niu,&JI JiangHui.(2009).simulationsforterrestrialplanetsformation.scienceinchinaseriesgphysicsmechanicsastronomy,52(5),794.
MLA ZHANG Niu,et al."simulationsforterrestrialplanetsformation".scienceinchinaseriesgphysicsmechanicsastronomy 52.5(2009):794.
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