 As of 2018, no rotational lightcurve of "Euclides" has been obtained from photometric observations.The body's rotation period, pole and shape remain unknown.According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, "Euclides" measures 12.339 kilometers in diameter and its surface has an albedo of 0.051, typical for a carbonaceous asteroid.