Cartan (crater)
 Cartan is a small lunar crater near the eastern edge of the Moon. It lies just to the west of the larger Apollonius. The rim is circular with a tiny crater along the eastern side. The interior floor is about half the diameter of the crater. A smaller crater attached to the southern rim is also attached to the north rim of Apollonius H forming a short crater chain.Cartan was designated Apollonius D before being named by the IAU.