12564 Ikeller, provisional designation 1998 SO49, is a stony Koronis asteroid from the outer region of the asteroid belt, approximately 5 kilometers in diameter. It was discovered by German amateur astronomer Wolf Bickel at his private Bergisch Gladbach Observatory on 22 September 1998. The minor planet was named by the discoverer after his wife, Ingeborg Bickel–Keller (b. 1941). Naming citation was published on 16 January 2014 (M.P.C. 86713).