5855 Yukitsuna, discovered by A. Natori and T. Urata in JCPM Yakiimo Stn. on November 26, 1992, was named after Japanese general Minamoto no Yukitsuna.
5855 Yukitsuna, provisional designation 1992 UO2, is a stony Marian asteroid from the central regions of the asteroid belt, approximately 11 kilometers (7 miles) in diameter. It was discovered on 26 October 1992, by Japanese astronomers Akira Natori and Takeshi Urata at the JCPM Yakiimo Station. It was named for Minamoto no Yukitsuna, a Japanese general during the Heian era. 
