167 Urda

167 Urda
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Orbit type Main belt (Koronis)
Semimajor axis 2.855 AU
Perihelion distance 2.755 AU
Aphelion distance 2.955 AU
Orbital period 4.82 years
Inclination 2.21°
Eccentricity 0.035
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Diameter 39.9 km
Rotation period 13.07 hours
Spectral class S
Abs. magnitude 9.24
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) 0.223
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
Discoverer C. H. F. Peters, 1876

167 Urda is a Main belt asteroid. Its surface is bright in colour and it is composed of silicates and iron-nickel.

It is a member of the Koronis asteroid family.

It was discovered by C. H. F. Peters on August 28, 1876 and named after Urd, one of the Norns in Norse mythology.

A stellar occultation by Urda was observed from Japan on July 23, 2001.


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The minor planets
Vulcanoids | Main belt | Groups and families | Near-Earth objects | Jupiter Trojans
Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper belt | Oort cloud
(For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system)
(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.)
de:Urda (Asteroid)

es:(167) Urda

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