Tags: Asteroid.
3900 Knežević is a main belt asteroid with an orbital period of 1333.5870606 days (3.65 years).The asteroid was discovered on September 14 1985. Its named after Dr. Zoran Knežević Serbian astronomer whose main research is in the field of movement of small celestial bodies. As of 2002 he is the director of Astronomical Observatory of Belgrade and the president of Serbian National Astronomy Committee.