17246 Christophedumas, provisional designation 2000 GL74, is a binary asteroid from the main-belt and member of the Koronis family, about 5 kilometers in diameter. It was discovered on 5 April 2000, by the Lincoln Near-Earth Asteroid Research (LINEAR) program at Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico. It is known to possess an asteroid moon, designated S/2004 (17246) 1. The S-type asteroid orbits the Sun at a distance of 2.8–2.9 AU once every 4 years and 9 months (1,748 days) and shows an eccentricity of 0.02 and an inclination of 2 degrees from the plane of the ecliptic.