(269550) Chur
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Asteroid (269550) Chur |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.303 AU |
| eccentricity | 0.0978 |
| Perihelion - aphelion | 2.4394 AU - 2.969 AU |
| Inclination of the orbit plane | 14.3 ° |
| Sidereal period | 4.45 a |
| Mean orbital velocity | ? km / s |
| Physical Properties | |
| Medium diameter | ~ 2.5 km |
| Albedo | ? |
| Rotation period | ? |
| Absolute brightness | 16.3 mag |
| Spectral class | ? |
| history | |
| Explorer | José De Queiroz |
| Date of discovery | November 16, 2009 |
| Another name | 2009 WT 5 , 2007 KX 7 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
Chur is an asteroid with the number 269550. It was discovered on November 16, 2009 by José De Queiroz , head of the Mirasteilas observatory in Falera , which is a good 20 kilometers from the Swiss city of Chur . The discovery was confirmed by the Minor Planet Center in July 2011. Since then, the asteroid has officially been named Chur.
Data
The minor planet has a diameter of about 2.5 kilometers and moves its orbit around the sun at an average distance of 345 million kilometers. It takes almost four and a half years to circle it.
Surname
The name Chur refers to the main town in the canton of Graubünden , where the Discovery Observatory is located. With 5000 years of permanent settlement, the city of Chur is the oldest city in Switzerland.