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相关论文: On the origin and dynamical evolution of Jupiter's…

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Of the 97 known satellites in the Jovian system, the individual masses and densities of each moon have only been determined for six of them: the four Galileans, Amalthea, and Himalia. In this letter, we derive a prediction for the mean…

地球与行星天体物理 · 物理学 2025-08-15 Ian R. Brunton , Konstantin Batygin

The Jovian regular satellite system mainly consists of four Galilean satellites that have similar masses and are trapped in mutual mean motion resonances except for the outer satellite, Callisto. On the other hand, the Saturnian regular…

地球与行星天体物理 · 物理学 2015-05-18 Takanori Sasaki , Glen R. Stewart , Shigeru Ida

A better knowledge of Jovian satellites' origins will bring light on the environment that surrounded Jupiter during its formation and can help us to understand the characteristics of this unique satellite system. We developed a…

地球与行星天体物理 · 物理学 2015-12-09 Yamila Miguel , Shigeru Ida

The four massive Galilean satellites are believed to have formed within a circumplanetary disk during the last stages of Jupiter's formation. While the existence of a circum-jovian disk is supported by hydrodynamic simulations, no consensus…

地球与行星天体物理 · 物理学 2018-05-04 Thomas Ronnet , Olivier Mousis , Pierre Vernazza , Jonathan I. Lunine , Aurélien Crida

The four major satellites of Jupiter, known as the Galilean moons, and Saturn's most massive satellite, Titan, are believed to have formed in a predominantly gaseous circum-planetary disk, during the last stages of formation of their parent…

地球与行星天体物理 · 物理学 2020-01-22 Thomas Ronnet , Anders Johansen

The formation of satellite systems in circum-planetary discs is considered to be similar to the formation of rocky planets in a proto-planetary disc, especially Super-Earths. Thus, it is possible to use systems with large satellites to test…

地球与行星天体物理 · 物理学 2018-02-07 Ricardo A Moraes , Wilhelm Kley , Ernesto Vieira Neto

We present an overview of the formation of Jupiter and its associated circumplanetary disk. Jupiter forms via a combination of planetesimal accretion and gravitational accumulation of gas from the surrounding solar nebula. The formation of…

The satellites of Jupiter are thought to form in a circumplanetary disc. Here we address their formation and orbital evolution with a population synthesis approach, by varying the dust-to-gas ratio, the disc dispersal timescale and the dust…

地球与行星天体物理 · 物理学 2018-08-24 M. Cilibrasi , J. Szulágyi , L. Mayer , J. Drażkowska , Y. Miguel , P. Inderbitzi

A key feature of the Galilean satellite system is its monotonic decrease in bulk density with distance from Jupiter, indicating an ice mass fraction that is zero in the innermost moon Io, and about half in the outer moons Ganymede and…

地球与行星天体物理 · 物理学 2023-03-01 Olivier Mousis , Antoine Schneeberger , Jonathan I. Lunine , Christopher R. Glein , Alexis Bouquet , Steven D. Vance

It is generally accepted that the four major (Galilean) satellites formed out of the gas disk that accompanied Jupiter's formation. However, understanding the specifics of the formation process is challenging as both small particles…

地球与行星天体物理 · 物理学 2020-01-08 Yuhito Shibaike , Chris W. Ormel , Shigeru Ida , Satoshi Okuzumi , Takanori Sasaki

Jupiter has four large regular satellites called the Galilean satellites: Io, Europa, Ganymede, and Callisto. The inner three of the Galilean satellites orbit in a 4:2:1 mean motion resonance; therefore their orbital configuration may…

地球与行星天体物理 · 物理学 2019-09-18 Sota Arakawa , Yuhito Shibaike

We investigated the formation and evolution of satellite systems in a cold, extended circumplanetary disc around a 10 $M_{\rm{Jupiter}}$ gas giant which was formed by gravitational instability at 50\,AU from its star. The disc parameters…

地球与行星天体物理 · 物理学 2020-10-21 C. Inderbitzi , J. Szulágyi , M. Cilibrasi , L. Mayer

Europa is believed to have formed near the very end of Jupiter's own accretion, within a circumplanetary disk of gas and solid particles. We review the formation of the Galilean satellites in the context of current constraints and…

天体物理学 · 物理学 2008-12-31 Robin M. Canup , William R. Ward

Ganymede and the Galilean moons formed in a small gas disc around the gas-accreting proto-Jupiter, known as the circum-Jovian disc (CJD). The formation process of the satellites occurs in three steps: the formation of the CJD from the…

地球与行星天体物理 · 物理学 2025-08-11 Yuhito Shibaike , Yann Alibert

As the number of discovered extrasolar planets has been increasing, diversity of planetary systems requires studies of new formation scenarios. It is important to study satellite formation in circumplanetary disks, which is often viewed as…

地球与行星天体物理 · 物理学 2015-06-05 Masahiro Ogihara , Shigeru Ida

We fit an isothermal oscillatory density model of Jupiter's protoplanetary disk to the present-day Galilean and other nearby satellites and we determine the radial scale length of the disk, the equation of state and the central density of…

地球与行星天体物理 · 物理学 2019-03-05 D. M. Christodoulou , D. Kazanas

The origins of the Galilean satellites - namely Io, Europa, Ganymede, and Callisto - is not fully understood yet. Here we use N-body numerical simulations to study the formation of Galilean satellites in a gaseous circumplanetary disk…

地球与行星天体物理 · 物理学 2021-04-09 Gustavo Madeira , André Izidoro , Silvia M. Giuliatti Winter

In this paper, the dynamical analysis of the Jovian dust originating from the four Galilean moons is presented. High accuracy orbital integrations of dust particles are used to determine their dynamical evolution. A variety of forces are…

地球与行星天体物理 · 物理学 2018-05-02 Xiaodong Liu , Manuel Sachse , Frank Spahn , Jürgen Schmidt

An interesting feature of the giant planets of our solar system is the existence of regions around these objects where no irregular satellites are observed. Surveys have shown that, around Jupiter, such a region extends from the outermost…

天体物理学 · 物理学 2009-11-13 N. Haghighipour , D. Jewitt

We have developed an evolutionary turbulent model of the Jovian subnebula consistent with the extended core accretion formation models of Jupiter described by Alibert et al. (2005b) and derived from Alibert et al. (2004,2005a). This model…

天体物理学 · 物理学 2009-11-11 Yann Alibert , Olivier Mousis , Willy Benz
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