Currently there are 5 official and and a few more unofficial: Ceres, 2004TY364, 2002KX14, 2002XV93, 2003VS2, 1999TC36, 2001QF298, Orcus, 2003AZ84, Pluto/Charon, Ixion, Huya, 2005RN43, 1995SM55, 2002MS4, 2004SB60, 2004GV9, 2002UX25, Varuna, 2002TX300, 1996TO66, 2003OP32, 2003EL61, Quaoar, 2003QW90,1999CD158, 1997CS29, 2000CN105, 1998WH24, 2005FY9, 2004PR107, 2003MW12, 2002CY248, 2002KW14, 2002AW197, 2002WC19, 2003QX113, 2003FY128, 2001UR163, 2002TC302, 1999DE9, 2004XR190, 2000YW134, Eris, 2005RM43, Sedna and the list is growing.
