46989 1998 TO5 is a main belt asteroid with an estimated diameter of 10 km. It was discovered on October 13, 1998 by K. Korlevic at Visnjan. The semi-major axis is 2.66 AU, the eccentricity is 0.163 and the inclination is 11.16 degrees.
This asteroid was observed on 4 nights during November and December, 2015. A period of 9.0420 hours was derived, with a large amplitude.