(211) Isolda
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Asteroid (211) Isolda |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.039 AU |
| eccentricity | 0.163 |
| Perihelion - aphelion | 2.545 AU - 3.533 AU |
| Inclination of the orbit plane | 3.9 ° |
| Length of the ascending node | 263.7 ° |
| Argument of the periapsis | 174.4 ° |
| Time of passage of the perihelion | 4th October 2012 |
| Sidereal period | 5 a 108 d |
| Mean orbital velocity | 17.0 km / s |
| Physical Properties | |
| Medium diameter | 143 km |
| Albedo | 0.0602 |
| Rotation period | 18 h 22 min |
| Absolute brightness | 7.89 likes |
| Spectral class | C. |
| history | |
| Explorer | Johann Palisa |
| Date of discovery | December 10, 1879 |
| 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. | |
(211) Isolda is an asteroid of the main asteroid belt that was discovered by Johann Palisa on December 10, 1879 . The asteroid was named after the legendary figure from Tristan and Isolde .
Isolda moves from 2.5454 ( perihelion ) to 3.4640 ( aphelion ) astronomical units around the Sun in 5.2986 years . The orbit is inclined 3.8830 ° to the ecliptic , the orbital eccentricity is 0.1625.
Isolda has a diameter of 143 kilometers. It has a dark, carbon-rich surface with an albedo of 0.060. It rotates around its own axis in around 18 hours and 22 minutes.