3 papers
astro-ph.EP2026
Challenge in Arrokoth's single merger to achieve the shape's principal axis configuration
Ketan Kamat, Ryota Nakano, Masatoshi Hirabayashi
The cold-classical Kuiper Belt Object 486958 Arrokoth is a contact binary composed of two flattened lobes, Weeyo and Wenu, closely aligned along their principal axes, despite each…
astro-ph.EP2026
A change of the rotation period of asteroid (65803) Didymos caused by the DART impact
Josef Durech, Petr Pravec, Masatoshi Hirabayashi +3
On 26 September 2022, the NASA Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the secondary component of the binary asteroid (65803)~Didymos. This experimen…
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…