 According to the survey carried out by the Japanese Akari satellite, the Infrared Astronomical Satellite IRAS, and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), "Parysatis" measures (), () and () kilometers in diameter and its surface has an albedo of (), () and (), respectively.The "Collaborative Asteroid Lightcurve Link" adopts the results obtained by IRAS, that is, an albedo of 0.1392 and a diameter of 44.65 kilometers with an absolute magnitude of 9.51.Alternative mean-diameter measurements published by the WISE team include (), () and () with corresponding albedos of (), () and ().