It was discovered on 3 January 1908, by German astronomer Max Wolf at Heidelberg Observatory in southern Germany.
[2] Graff belongs to the Hilda family of asteroids, which are in a 3:2 orbital resonance with the giant planet Jupiter.
It orbits the Sun in the outer main-belt at a distance of 3.5–4.4 AU once every 7 years and 10 months (2,853 days).
[7] The dark C-type asteroid is classified as a rare D-type by Pan-STARRS' large-scale survey,[6] In July 2015, a rotational lightcurve of Graff was obtained by astronomer Robert Stephens at the Center for Solar System Studies.
[3] This minor planet was named after English-born astronomer Gareth "Graff" Vaughan Williams (born 1965), who identified various low-numbered asteroids among bodies that had been given provisional designations.