(622) Esther
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 .