167 Urda
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|
| 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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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |