3 papers
astro-ph.EP2025
The Dynamical State of the Didymos System Before and After the DART Impact
Derek C. Richardson, Harrison F. Agrusa, Brent Barbee +50
NASA's Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the natural satellite of (65803) Didymos, on 2022 September 26, as a first successful test of kinetic…
astro-ph.EP2024
An Earth Encounter As the Cause of Chaotic Dynamics in Binary Asteroid (35107) 1991VH
Alex J Meyer, Oscar Fuentes-Muñoz, Ioannis Gkolias +4
Among binary asteroids, (35107) 1991VH stands out as unique given the likely chaotic rotation within its secondary component. The source of this excited dynamical state is unknown.…
astro-ph.EP2024
Apsidal Precession in Binary Asteroids
Alex J Meyer, Daniel J Scheeres
While the secondary in a binary asteroid plays an important role in the precession of the mutual orbit, this role has not been thoroughly studied. Given the complex spin-orbit coup…