publication . Article . 2003

Formation of the regular satellites of giant planets in an extended gaseous nebula I: subnebula model and accretion of satellites

Ignacio Mosqueira; Paul R. Estrada;
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  • Published: 01 May 2003 Journal: Icarus, volume 163, pages 198-231 (issn: 0019-1035, Copyright policy)
  • Publisher: Elsevier BV
Abstract
We model the subnebulae of Jupiter and Saturn wherein satellite accretion took place. We expect each giant planet subnebula to be composed of an optically thick (given gaseous opacity) inner region inside of the planet’s centrifugal radius (where the specific angular momentum of the collapsing giant planet gaseous envelope achieves centrifugal balance, located at rCJ ∼ 15RJ for Jupiter and rCS ∼ 22RS for Saturn) and an optically thin, extended outer disk out to a fraction of the planet’s Roche-lobe (RH), which we choose to be ∼RH/5 (located at ∼150 RJ near the inner irregular satellites for Jupiter, and ∼200RS near Phoebe for Saturn). This places Titan and Ganym...
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arXiv: Astrophysics::Earth and Planetary AstrophysicsPhysics::Space PhysicsAstrophysics::Galaxy Astrophysics
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Saturn, Planet, Astronomy, Galilean moons, symbols.namesake, symbols, Atmosphere of Titan, Giant planet, Astrophysics, Uranus, Jupiter, Protoplanet, Physics
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