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1960 Guisan
Asteroid
Asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| name | 1960 Guisan |
| background | #D6D6D6 |
| discovery_ref | |
| discovered | 25 October 1973 |
| discoverer | P. Wild |
| discovery_site | Zimmerwald Obs. |
| mpc_name | (1960) Guisan |
| alt_names | 1973 UA |
| named_after | Henri Guisan (General) |
| mp_category | main-belt(middle) |
| orbit_ref | |
| epoch | 4 September 2017 (JD 2458000.5) |
| uncertainty | 0 |
| observation_arc | 61.49 yr (22,461 days) |
| aphelion | 2.8352 AU |
| perihelion | 2.2185 AU |
| semimajor | 2.5268 AU |
| eccentricity | 0.1220 |
| period | 4.02 yr (1,467 days) |
| mean_anomaly | 74.212° |
| mean_motion | / day |
| inclination | 8.4737° |
| asc_node | 22.213° |
| arg_peri | 263.99° |
| dimensions | km (IRAS:5) |
| km | |
| km | |
| km | |
| km | |
| rotation | h |
| albedo | |
| (IRAS:5) | |
| spectral_type | C |
| B–V = 0.720 | |
| U–B = 0.290 | |
| abs_magnitude | 11.9311.93 (IRAS:5) |
km km km km
(IRAS:5) B–V = 0.720 U–B = 0.290
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 (1,467 days). 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.
Naming
This minor planet 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. The official was published by the Minor Planet Center on 18 April 1977 (M.P.C. 4157).
References
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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