CALL assumes a standard albedo for a carbonaceous asteroid of 0.057 and calculates a diameter of 66.34 kilometers based on an absolute magnitude of 9.62. This minor planet was named after Deipylos a Greek hero in the Trojan War. He was a fellow of Sthenelus (Sthenelos), who ordered him to bring the horses captured from Aeneas to the Greek vessels. The official naming citation was published by the Minor Planet Center on 15 September 1989 ().