2 papers
astro-ph.EP2024
Irregular moons possibly injected from the outer solar system by a stellar flyby
Susanne Pfalzner, Amith Govind, Frank Wagner
The irregular moons orbit the giant planets on distant, inclined, and eccentric trajectories, in sharp contrast with the coplanar and quasicircular orbits of the regular moons. The…
astro-ph.EP2024
Trajectory of the stellar flyby that shaped the outer solar system
Susanne Pfalzner, Amith Govind, Simon Portegies Zwart
Unlike the Solar System planets, thousands of smaller bodies beyond Neptune orbit the Sun on eccentric ( 0.1) and ( 3) orbits. While migration of the giant planets…