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astro-ph.EP2025
The diverse shapes of binary asteroid satellites born from sub-escape-velocity moonlet mergers
John Wimarsson, Fabio Ferrari, Martin Jutzi
Recent direct observations of atypically shaped rubble-pile satellites of sub-km asteroids in form of the spherically oblate Dimorphos and bilobate Selam challenge classical binary…
astro-ph.EP2025
Satellite formation around the largest asteroids
Kevin J. Walsh, Ronald-Louis Ballouz, Harrison F. Agrusa +3
Satellites around large asteroids are preferentially found among those with the most rapid rotation and elongated shape. The taxonomic statistics are similarly skewed; in total, 13…