It was discovered on 25 October 1973, by astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland, and named after Swiss General Henri Guisan.
[2][10] Guisan orbits the Sun in the central main-belt at a distance of 2.2–2.8 AU once every 4.02 years (1,467 days).
[3] It has a rotation period of 8.46 hours[9] and a geometric albedo of 0.04–0.05, as measured by the IRAS, Akari, WISE and NEOWISE surveys.
[4][5][7][8] This minor planet was named in memory of Henri Guisan (1874–1960), general of the Swiss army during the Second World War.
[2] The official naming citation was published by the Minor Planet Center on 18 April 1977 (M.P.C.