 The "Collaborative Asteroid Lightcurve Link" derives an albedo of 0.0508 and a diameter of 81.43 kilometers based on an absolute magnitude of 9.3.This minor planet was named for Ajax the Great, a Greek warrior of great strength and courage in the Trojan War.He is the half brother of Teucer and son of king Telamon, who kills himself because Achilles armor was awarded to Odysseus.