sentences:  More recent observations at the Palomar Transient Factory and by French amateur astronomer René Roy gave a longer period of 25.31 and 25.3481 hours and an amplitude of 0.38 and 0.25, respectively ().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, "Hanskya" measures between 70.954 and 90.29 kilometers in diameter and its surface has an albedo between 0.029 and 0.056.The "Collaborative Asteroid Lightcurve Link" derives a low albedo of 0.0358 and a diameter of 77.03 kilometers based on an absolute magnitude of 9.8.