Selam (pictured below) is the strange secondary of the Dinkinesh binary asteroid system in the main-belt. Using the secular theory based on binary-Yarkovsky-O’Keefe-Radzievskii-Paddack (BYORP) and tides, we were able to constrain the age of this asteroid to 1-10 million years.
Space Imaging and Optical Systems Lab
BUILDING TECHNOLOGIES FOR THE FUTURE OF SPACE SCIENCES