Chaos in the inert Oort cloud

• Published in: Astronomy and astrophysics (Berlin) Vol. 629; p. A95
• Main Authors: Saillenfest, Melaine, Fouchard, Marc, Ito, Takashi, Higuchi, Arika
• Format: Journal Article
• Language: English
• Published: Heidelberg EDP Sciences 01.09.2019
• Subjects: Astrophysics; Axes (reference lines); Celestial bodies; celestial mechanics; Clustering; Kuiper belt: general; Oort cloud; Orbital elements; Orbital resonances (celestial mechanics); Orbits; Perihelions; Sciences of the Universe; Tides; Trans-Neptunian objects; Oort cloud; Kuiper belt: general; celestial mechanics

Context. Distant trans-Neptunian objects are subject to planetary perturbations and galactic tides. The former decrease with the distance, while the latter increase. In the intermediate regime where they have the same order of magnitude (the “inert Oort cloud”), both are weak, resulting in very long...