 This result supersedes previous observations with tentative period determinations by French amateur astronomers René Roy and Laurent Bernasconi ().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, "Toni" 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 0.0432 and a diameter of 85.49 km based on an absolute magnitude of 9.37.