420 Bertholda
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Asteroid (420) Bertholda |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.43 AU |
| eccentricity | 0.036 |
| Perihelion - aphelion | 3.307 AU - 3.553 AU |
| Inclination of the orbit plane | 6.6 ° |
| Length of the ascending node | 243.1 ° |
| Argument of the periapsis | 226.4 ° |
| Time of passage of the perihelion | July 26, 2012 |
| Sidereal period | 6 a 129 d |
| Mean orbital velocity | 16.1 km / s |
| Physical Properties | |
| Medium diameter | 141 ± 6.9 km |
| Albedo | 0.0420 |
| Rotation period | 11 h 2 min |
| Absolute brightness | 8.31 mag |
| Spectral class | P |
| history | |
| Explorer | Max Wolf |
| Date of discovery | September 7, 1896 |
| Another name | 1896 CY |
| 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. | |
(420) Bertholda is an asteroid of the main belt that was discovered on September 7, 1896 by the German astronomer Max Wolf in Heidelberg.
The asteroid was named after Berthold I. von Zähringen .