N-body simulations with Swiftest show that surface regolith ejected from ellipsoidal Centaurs can form captured proto-ring disks, with highest efficiency from equatorial avalanches.
L., Sicardy, B., Morgado, B
6 Pith papers cite this work, alongside 51 external citations. Polarity classification is still indexing.
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astro-ph.EP 6years
2026 6representative citing papers
Replacing an irregular body by an equal-mass binary dumbbell converts its spin-orbit resonances into surrogate mean-motion resonances; for Quaoar the resulting maps show SORs play no relevant role in present ring dynamics.
Multi-epoch stellar occultations reveal Quaoar is an oblate spheroid with density 1.760±0.109 g/cm³, consistent with Maclaurin hydrostatic equilibrium and dwarf planet status.
Triaxial gravitational fields of small solar system bodies stabilize narrow rings against solar radiation pressure loss, allowing sub-mm particles to persist.
Numerical integrations favor interpreting the Quaoar occultation feature as a satellite rather than a triangular-point confined arc, while identifying stable regions for additional moons.
The paper assesses the feasibility of using SKA-AA4 for thermal detections and characterization of TNOs and Centaurs at cm wavelengths.
citing papers explorer
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Ejected Surface Regolith as a Potential Source Material for Centaur Rings
N-body simulations with Swiftest show that surface regolith ejected from ellipsoidal Centaurs can form captured proto-ring disks, with highest efficiency from equatorial avalanches.
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A circumbinary approach to the study of spin-orbit resonances around irregular shaped bodies. Application to the Quaoar system
Replacing an irregular body by an equal-mass binary dumbbell converts its spin-orbit resonances into surrogate mean-motion resonances; for Quaoar the resulting maps show SORs play no relevant role in present ring dynamics.
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Size, shape, density, and atmospheric limit of (50000) Quaoar revealed from 14 years of stellar occultation
Multi-epoch stellar occultations reveal Quaoar is an oblate spheroid with density 1.760±0.109 g/cm³, consistent with Maclaurin hydrostatic equilibrium and dwarf planet status.
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Rings Around Non-Spherical Worlds: Sub-mm Dust Retention Around Triaxial Small Bodies in the Solar System
Triaxial gravitational fields of small solar system bodies stabilize narrow rings against solar radiation pressure loss, allowing sub-mm particles to persist.
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Dynamical implications of the recently detected feature around Quaoar and constraints on the presence of additional satellites
Numerical integrations favor interpreting the Quaoar occultation feature as a satellite rather than a triangular-point confined arc, while identifying stable regions for additional moons.
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Unveiling the Trans-Neptunian Region with the SKA
The paper assesses the feasibility of using SKA-AA4 for thermal detections and characterization of TNOs and Centaurs at cm wavelengths.