(216) Kleopatra, a low density critically rotating M-type asteroid
(216) Kleopatra, a low density critically rotating M-type asteroid
Context. The recent estimates of the 3D shape of the M/Xe-type triple asteroid system (216) Kleopatra indicated a density of ~5 g cm −3 , which is by far the highest for a small Solar System body. Such a high density implies a high metal content as well as a …