NationMaster - Encyclopedia: 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 color 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 detected from Japan on July 23, 2001.

This article is a stub. You can help Wikipedia by expanding it (http://en.wikipedia.org/w/index.php?title=167_Urda&action=edit).

Categories: Stub | Main Belt asteroids

Results from FactBites:

Occultations archive (1073 words)
	Occultation of 9.6 mag star by (983) Gunila on Jan. 9
	Occultation of 8.5 mag star by (167) Urda on Jan. 9
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