(658) Asteria
Asteroid (658) Asteria |
|
---|---|
Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Asteroid family | Koronis family |
Major semi-axis | 2.8534 AU |
eccentricity | 0.0655 |
Perihelion - aphelion | 2.6665 AU - 3.0402 AU |
Inclination of the orbit plane | 1.5062 ° |
Length of the ascending node | 351.0074 ° |
Argument of the periapsis | 61.5036 ° |
Time of passage of the perihelion | 22. May 2013 |
Sidereal period | 4.82 a |
Mean orbital velocity | 17.62 km / s |
Physical Properties | |
Medium diameter | 22.95 km |
Albedo | 0.2040 |
Rotation period | 21.034 h |
Absolute brightness | 10.54 mag |
Spectral class | S. |
history | |
Explorer | August Kopff |
Date of discovery | January 23, 1908 |
Another name | 1908 BW , A906 UF, A918 EH |
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. |
(658) Asteria is an asteroid of the main belt that was discovered on January 23, 1908 by the German astronomer August Kopff at the State Observatory in Heidelberg-Königstuhl ( IAU code 024).
The asteroid is a member of the Koronis family, a group of asteroids named after (158) Koronis.
Asteria denotes various characters from Greek mythology.
See also
Web links
- Asteroid Asteria: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (658) Asteria in the Small-Body Database of the Jet Propulsion Laboratory .
- (658) Asteria in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ↑ The family membership of (658) Asteria in the AstDyS-2 database (English)