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1,678 claims from 1,032 papers are on the record. 46 have been checked so far; the other 1,632 have no check with a result yet.

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Status: Unchecked ×Keyword: Plutinos ×Clear all

6 claims from 3 papers

1. Physics and Astronomy › Astro and Planetary Science

   OSSOS. VII. 800+ Trans-Neptunian Objects—The Complete Data Release

   Bannister, Gladman, Kavelaars et al. · The Astrophysical Journal Supplement Series · 2018

   The OSSOS survey, using the Canada-France-Hawaii Telescope in 2013-2017, presents 838 outer Solar System discoveries with accurate orbits and a survey simulator for testing models of Neptune's migration.

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   1. UncheckedOSSOS roughly doubles known non-resonant Kuiper belt objects to 436, with precise orbits; the belt starts at about 37 au, perihelia no lower than 35 au.“OSSOS doubles the known population of the non-resonant Kuiper belt, providing 436 TNOs in this region, all with exceptionally high-quality orbits of $a$ uncertainty $σ_{a} \leq 0.1\%$; they show the belt exists from $a \gtrsim 37$ au, with a lower perihelion bound of $35$ au.”
   2. UncheckedThe survey found 313 TNOs in resonance with Neptune, including 132 plutinos, tripling the characterised sample and reaching resonances out to about 130 au.“Our 313 resonant TNOs, including 132 plutinos, triple the available characterized sample and include new occupancy of distant resonances out to semi-major axis $a \sim 130$ au.”

2. Physics and Astronomy › Astro and Planetary Science

   NEPTUNE’S ORBITAL MIGRATION WAS GRAINY, NOT SMOOTH

   Nesvorný and Vokrouhlický · The Astrophysical Journal · 2016

   The paper argues that Neptune's migration was grainy, caused by scattering with massive planetesimals, and that this better explains the Kuiper belt's mix of resonant and non-resonant objects.

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   1. UncheckedIn the authors' models, grainy migration of Neptune gives a higher non-resonant to resonant ratio of Kuiper belt bodies, up to ~10 times higher than smooth migration.“Thus, the non-resonant--to--resonant ratio obtained with the grainy migration is higher, up to ~10 times higher for the range of parameters investigated here, than in a model with smooth migration.”
   2. UncheckedIn simulations of Neptune's migration, a grainy (jerky) migration gives a narrower spread of libration amplitudes in the 3:2 resonance than a smooth one.“The grainy migration leads to a narrower distribution of the libration amplitudes in the 3:2 resonance.”

3. Physics and Astronomy › Astro and Planetary Science

   Not a simple relationship between Neptune's migration speed and Kuiper belt inclination excitation

   Volk and Malhotra · arXiv (Cornell University) · 2019

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   1. Unchecked“We do not find a consistent relationship between the degree of test particle inclination excitation and e-folding planet migration timescales in the range 5-50 Myr.”
   2. Unchecked“We conclude that the observed large inclination dispersion of Kuiper belt objects does not require Neptune's migration to be slow; planetary migration with e-folding timescales of 5, 10, 30, and 50 Myr can all yield inclination dispersions similar to the obs…