 The "Collaborative Asteroid Lightcurve Link" derives an albedo of and a diameter of 46.72 kilometers based on an absolute magnitude of 9.4.On 13 May 2015, an asteroid occultation of "Picka" gave a best-fit ellipse dimension of (), which is similar to that obtained by the Japanese Akari satellite.These timed observations are taken when the asteroid passes in front of a distant star.