Regina (minor planet designation: 285 Regina) is a typical, although fairly large, Main belt asteroid. It was discovered by Auguste Charlois on 3 August 1889 in Nice, France. The asteroid is a suspected interloper in the Eucharis asteroid family. Analysis of the asteroid light curve generated from photometric data collected during 2008 show a rotation period of with a brightness variation of in magnitude. References External links Background asteroids Regina 18890803 Regina