1960 Guisan
1960 Guisan, provisional designation, 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, and named after Swiss General Henri Guisan.
Orbit and classification
Guisan orbits the Sun in the central main-belt at a distance of 2.2–2.8 AU once every 4.02 years. Its orbit has an eccentricity of 0.12 and an inclination of 8° with respect to the ecliptic.Physical characteristics
Guisan has been characterized as a dark C-type asteroid.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.