According to the survey carried out by the Herschel Space Telescope using its PACS instrument,  measures  kilometers in diameter and its surface has an albedo of . The results supersedes a previous study that gave a much larger diameter of 350 kilometers with a lower albedo of 0.03.
A recent investigation by the Herschel Space Telescope's PACS instrument indicates that  is roughly kilometers in diameter, with a surface reflectivity of . These findings supersede a previous study that estimated a significantly larger diameter of 350 kilometers and a lower albedo of 0.03.