 According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, "Freda" measures between 88.01 and 126.04 kilometers in diameter and its surface has an albedo between 0.03 and 0.06.The "Collaborative Asteroid Lightcurve Link" adopts the results obtained by IRAS, that is, an albedo of 0.0381 and a diameter of 116.73 kilometers based on an absolute magnitude of 8.83.This minor planet was named after Fred Prévost, a French civil engineer of mines and benefactor of the Faculty of sciences of Bordeaux.