(406) Erna
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Asteroid (406) Erna |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 2.913 AU |
| eccentricity | 0.183 |
| Perihelion - aphelion | 2.379 AU - 3.447 AU |
| Inclination of the orbit plane | 4.2 ° |
| Length of the ascending node | 315.8 ° |
| Argument of the periapsis | 37.4 ° |
| Time of passage of the perihelion | May 15, 2010 |
| Sidereal period | 4 a 355 d |
| Mean orbital velocity | 17.3 km / s |
| Physical Properties | |
| Medium diameter | 49 ± 1.7 km |
| Albedo | 0.0524 |
| Rotation period | 8 h 47 min |
| Absolute brightness | 10.36 mag |
| Spectral class | P |
| history | |
| Explorer | A. Charlois |
| Date of discovery | August 22, 1895 |
| Another name | 1895 CB |
| 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. | |
(406) Food is an asteroid of the main belt , which on 22 August 1895 by French astronomer Auguste Charlois in Nice was discovered.
The name of the asteroid is probably derived from the daughter Erna of the astronomer Friedrich Bidschof .