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Status: Unchecked ×Keyword: orbital perturbations ×Clear all

3 claims from 1 paper

1. Physics and Astronomy › Astro and Planetary Science

   Peculiar orbits and asymmetries in extreme trans-Neptunian space

   Marcos and Marcos · Monthly Notices of the Royal Astronomical Society · 2021

   The authors applied machine learning and nodal-distance analysis to 40 known extreme trans-Neptunian objects, finding possible clusters, close orbital approaches and an asymmetry that may reflect external perturbations.

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   1. UncheckedMachine-learning clustering of the 40 known extreme trans-Neptunian objects suggests they may belong to four different populations.“Machine-learning techniques show that the known ETNOs may belong to four different populations.”
   2. Unchecked“Results from the analysis of the distribution of nodal distances show that 41 per cent of the known ETNOs have at least one mutual nodal distance smaller than 1.45 au (1st percentile of the distribution), perhaps hinting at past interactions.”
   3. UncheckedKnown extreme trans-Neptunian objects show a strongly significant imbalance between pairs with small ascending and small descending nodal distances.“In addition, the known ETNOs exhibit a highly statistically significant asymmetry between the distributions of object pairs with small ascending and descending nodal distances that might be indicative of a response to external perturbations.”