Discovered by P. Wild MPC designation 1960 Guisan Observation arc 61.37 yr (22,417 days) Orbits Sun Asteroid group Asteroid belt | Discovery date 25 October 1973 Minor planet category main-belt · (middle) Discovered 25 October 1973 | |
Alternative names 1973 UA · 1961 VC11969 UR2 Similar Sun, 3552 Don Quixote, 81P/Wild | ||
1960 Guisan, provisional designation 1973 UA, is a carbonaceous asteroid from the middle region of the asteroid belt, approximately 25 kilometers in diameter. It was discovered on 25 October 1973, by astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland.
The dark C-type asteroid orbits the Sun at a distance of 2.2–2.8 AU once every 4.02 years (1,467 days). Its orbit has an eccentricity of 0.12 and an inclination of 8° with respect to the ecliptic.of 2.2–2.8 AU once every 4 years (1,468 days). It has a rotation period of 8.46 hours and a geometric albedo of 0.04–0.05, as measured by the IRAS, Akari, WISE and NEOWISE surveys.
It was named in memory of Henri Guisan (1874–1960), general of the Swiss army during the Second World War. He was notably from the country's smaller Swiss-French part rather than from the German-speaking part. Naming citation was published before November 1977 (M.P.C. 4157).