 According to the surveys carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), the Japanese Akari satellite, and the Infrared Astronomical Satellite IRAS, "Zubaida" measures (), () and () kilometers in diameter and its surface has an albedo of (), () and (), respectively.The WISE team also published an alternative mean-diameter of () with a corresponding albedo of ().The "Collaborative Asteroid Lightcurve Link" assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 13.58 kilometers based on an absolute magnitude of 11.7.