(218) Bianca
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Asteroid (218) Bianca |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,666 AU |
| eccentricity | 0.116 |
| Perihelion - aphelion | 2.356 AU - 2.976 AU |
| Inclination of the orbit plane | 15.2 ° |
| Length of the ascending node | 170.9 ° |
| Argument of the periapsis | 61 ° |
| Time of passage of the perihelion | February 20, 2010 |
| Sidereal period | 4 a 129 d |
| Mean orbital velocity | 18.2 km / s |
| Physical Properties | |
| Medium diameter | 61 km |
| Albedo | 0.1746 |
| Rotation period | 6 h 20 min |
| Absolute brightness | 8.6 likes |
| Spectral class | S. |
| history | |
| Explorer | Johann Palisa |
| Date of discovery | September 4, 1880 |
| 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. | |
(218) Bianca is an asteroid of the main asteroid belt that was discovered on September 4, 1880 by Johann Palisa at the Pola Marine Observatory .
The asteroid was named after the German-Austrian opera singer Bianca Bianchi .
Bianca moves at a distance of 2.3527 ( perihelion ) to 2.9805 ( aphelion ) astronomical units in 4.3546 years around the sun . The orbit is inclined 15.2306 ° to the ecliptic , the orbital eccentricity is 0.1177.
Bianca has a diameter of 61 kilometers. It has a relatively light surface with an albedo of 0.175. It rotates around its own axis in around 6 hours and 20 minutes.