(658) Asteria

Asteroid (658) Asteria
Properties of the orbit ( animation ) Epoch: December 9, 2014 ( JD 2,457,000.5)
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.

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