(622) Esther
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Asteroid (622) Esther |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,414 AU |
| eccentricity | 0.243 |
| Perihelion - aphelion | 1,828 AU - 3 AU |
| Inclination of the orbit plane | 8.7 ° |
| Length of the ascending node | 142.1 ° |
| Argument of the periapsis | 256.7 ° |
| Time of passage of the perihelion | November 7, 2011 |
| Sidereal period | 3 a 274 d |
| Mean orbital velocity | 18.9 km / s |
| Physical Properties | |
| Medium diameter | approx. 22 km |
| Rotation period | 47 h 30 min |
| Absolute brightness | 10.3 mag |
| Spectral class | S. |
| history | |
| Explorer | JH Metcalf |
| Date of discovery | November 13, 1906 |
| Another name | 1906 WP |
| 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. | |
(622) Esther is an asteroid of the main belt , which on 13 November 1906 by Joel H. Metcalf was discovered.
The name is derived from the biblical figure Esther .