3 papers
astro-ph.EP2026
Direct contact binary planetesimal formation from gravitational collapse
Jackson T. Barnes, Stephen R. Schwartz, Seth A. Jacobson
Bilobate contact binaries comprise a significant fraction of the relict Kuiper Belt, which includes the exemplary contact binary (486958) Arrokoth. The surfaces of its lobes contai…
astro-ph.EP2024
BYORP and Dissipation in Binary Asteroids: Lessons from DART
Matija Ćuk, Harrison Agrusa, Rachel H. Cueva +10
The Near-Earth binary asteroid Didymos was the target of a planetary defense demonstration mission DART in September 2022. The smaller binary component, Dimorphos, was impacted by…
astro-ph.EP2024
A New Database of Giant Impacts over a Wide Range of Masses and with Material Strength: A First Analysis of Outcomes
Alexandre Emsenhuber, Erik Asphaug, Saverio Cambioni +4
In the late stage of terrestrial planet formation, planets are predicted to undergo pairwise collisions known as giant impacts. Here we present a high-resolution database of giant…