Sternwarte am purpurnen Berg
2456 Palamedes is a large Jupiter trojan from the Greek camp, approximately in diameter. It was discovered on 30 January 1966, by astronomers at the Purple Mountain Observatory in Nanking, China. The assumed C-type asteroid has a rotation period of 7.24 hours and belongs to the 50 largest Jupiter trojans. It was named after Palamedes from Greek mythology.