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 survey conducted by the Herschel Space Telescope's PACS instrument revealed that  has a diameter of kilometers and an albedo of . These results contradict a previous investigation that estimated a much greater diameter of 350 kilometers with an albedo of 0.03.