Asteroid 20952, Tydeus, a Jupiter Trojan, was discovered on September 25, 1973 by C. J. van Houten and Ingrid van Houten-Groeneveld on photographic plates taken at Palomar Observatory near Pauma Valley, California by Tom Gehrels. It has a period of 11 years, 303 days.
Tydeus was an immortal hero, one of The Seven against Thebes. His son Diomedes was a great hero at Troy.
Astrologically, asteroid Tydeus seems to indicate rage that is healthy, that keeps one safe, that is powerful and destructive.