It was discovered on 24 September 1960, by Dutch astronomer couple Ingrid and Cornelis van Houten on photographic plates taken by Dutch–American astronomer Tom Gehrels at Palomar Observatory in California.
Gehrels used Palomar's Samuel Oschin telescope (also known as the 48-inch Schmidt Telescope), and shipped the photographic plates to Ingrid and Cornelis van Houten at Leiden Observatory where astrometry was carried out.
The body's rotation period, pole and shape remain unknown.
[3] 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.
[1] The official naming citation was published by the Minor Planet Center on 8 July 1990 (M.P.C.