2 papers
astro-ph.EP2025
A pre-flyby view on the origin of asteroid Donaldjohanson, a target of the NASA Lucy mission
Simone Marchi, David Vokrouhlický, David Nesvorný +3
The NASA Lucy mission is scheduled to fly-by the main belt asteroid (52246) Donaldjohanson on April 20, 2025. Donaldjohanson (DJ hereafter) is a member of the primitive (C-type cla…
astro-ph.EP2025
A Spiral Structure in the Inner Oort Cloud
David Nesvorny, Luke Dones, David Vokrouhlicky +5
As the Galactic tide acts to decouple bodies from the scattered disk it creates a spiral structure in physical space that is roughly 15,000 au in length. The spiral is long-lived a…