 In the Tholen and SMASS taxonomy, "Cerberus" is a common stony S-type asteroid, composed of 65% plagioclase and 35% pyroxene.It has a rotation period of 6.804 hours and a geometric albedo of 0.220.With a maximum lightcurve range of 2.3, Cerberus may be cigar shaped like 1I/ʻOumuamua.