ExploreNEOs. VIII. Dormant Short-Period Comets in the Near-Earth Asteroid Population
M. Mommert et al 2015 AJ 150 106
Results from the ExploreNEOs program suggest that roughly 100 near-Earth asteroids with diameters of 1 km or more are actually dormant short-period comets (i.e., asteroidal objects of cometary origin).