(315898) 2008 QD4

, prov. designation:, is a centaur orbiting in the outer Solar System with a perihelion greater than Jupiter and a semi-major axis less than Saturn.

Perihelion
is listed as a centaur by the Minor Planet Center, Jet Propulsion Laboratory, and the Deep Ecliptic Survey (DES). Of numbered objects listed as a centaur by all 3 major institutions, has the smallest perihelion distance.

It came to perihelion in August 2010.