"Telamon" is a dark D-type asteroid according to the SDSS-based taxonomy and the surveys conducted by SMASS (Xu) and Pan-STARRS.According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, "Telamon" measures between 64.90 and 81.06 kilometers in diameter and its surface has an albedo between 0.046 and 0.078.