 In August 2016, an alternative period determination of hours with an amplitude of mag was published ().According to the survey 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, "Herluga" measures (), () and () kilometers in diameter and its surface has a low albedo of (), () and (), respectively.The "Collaborative Asteroid Lightcurve Link" adopts the results obtained by IRAS, that is, an albedo of 0.0421 and a diameter of 32.47 km based on an absolute magnitude of 11.5.