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Terrestrial planet formation under migration: systems near the 4:2:1 mean motion resonance
Sun, Zhao1,2; Ji, Jianghui1; Wang, Su1; Jin, Sheng1
2017-05-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume467Issue:1Pages:619-632
Abstract

In this work, we investigate extensively the formation of near 4:2:1 mean motion resonance (MMR) configurations by performing two sets of N-body simulations. We model the eccentricity damping, gas drag, type I and type II planetary migration of planetesimals, planetary embryos and giant planets in the first set. For simulations of giant planets with type II migration, massive terrestrial planets with a mass up to several Earth masses are likely produced in these systems. We further show that by shepherding and/ or scattering mechanisms through a Jovian planet's type II migration, the terrestrial and giant planets in the systems can be evolved into near 4:2:1 MMRs. Moreover, the models are applicable to the formation of the Kepler-238 and 302 systems. In the second set of simulations, we study 4:2:1 MMR formation in terrestrial planetary systems, where the planets undergo type I migration and eccentricity damping. By considering type I migration, similar to 17.1 per cent of the simulations indicate that terrestrial planets are evolved into 4:2:1 MMRs. However, this probability should depend on the initial conditions of the planets. Hence, we conclude that both type I and type II migration can play a crucial role in close-in terrestrial planet formation.

Keywordmethods: numerical planets and satellites: formation planets and satellites:general planets and satellites: terrestrial planets
DOI10.1093/mnras/stx082
WOS KeywordEARTH-LIKE PLANETS ; HOT SUPER-EARTHS ; GASEOUS PROTOPLANETARY DISK ; IN-SITU FORMATION ; SOLAR-TYPE STARS ; ORBITAL ARCHITECTURE ; DETERMINISTIC MODEL ; LAPLACE RESONANCE ; LUNAR CATACLYSM ; GIANT PLANETS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000398418900040
PublisherOXFORD UNIV PRESS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23133
Collection中国科学院紫金山天文台
Corresponding AuthorJi, Jianghui; Wang, Su
Affiliation1.Chinese Acad Sci, Purple Mt Observ, CAS Key Lab Planetary Sci, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Zhao,Ji, Jianghui,Wang, Su,et al. Terrestrial planet formation under migration: systems near the 4:2:1 mean motion resonance[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,467(1):619-632.
APA Sun, Zhao,Ji, Jianghui,Wang, Su,&Jin, Sheng.(2017).Terrestrial planet formation under migration: systems near the 4:2:1 mean motion resonance.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,467(1),619-632.
MLA Sun, Zhao,et al."Terrestrial planet formation under migration: systems near the 4:2:1 mean motion resonance".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 467.1(2017):619-632.
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