 Between 2008 and 2018, numerous follow-up observations by other astronomers confirmed the period of 3.31 hours with brightness variation maxima between 0.11 and 0.17.According to the survey carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), "Algunde" measures () and () kilometers in diameter and its surface has an albedo of () and (), respectively.The "Collaborative Asteroid Lightcurve Link" takes Petr Pravec's revised WISE data with an albedo of 0.2055 and a diameter of 12.45 kilometers based on an absolute magnitude of 11.86.