Tags: Asteroid.
25561 Leehyunki (provisional designation: 1999 XN173) is a main-belt minor planet. It was discovered by the Lincoln Near-Earth Asteroid Research project in Socorro New Mexico on December 10 1999. It is named after Lee Hyun Ki a Korean high school student from Chengdu International School in Chengdu China whose computer science team project won first place at the 2009 Intel International Science and Engineering Fair.