5731 Zeus is a between 2.1 and 4.7 km in diameter  Apollo asteroid discovered on 4 November 1988 by Carolyn S. Shoemaker and Eugene Merle Shoemaker in the Palomar Observatory.
Based on its observed brightness and assumed albedo it is estimated to have a diameter between 2.1 and 4.7 km. 5731 Zeus /zjus/ is an Apollo asteroid and near-Earth object discovered on 4 November 1988, by Carolyn Shoemaker at Palomar Observatory. 
