197 Arete
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.739 AU |
| Perihelion distance | 2.294 AU |
| Aphelion distance | 3.184 AU |
| Orbital period | 4.53 years |
| Inclination | 8.79° |
| Eccentricity | 0.162 |
| Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 29.2 km |
| Rotation period 3 (http://www.psi.edu/pds/archive/lc.html) | 6.54 hours |
| Spectral class 5 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) | S |
| Abs. magnitude | 9.18 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.442 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | J. Palisa, 1879 |
197 Arete ("uh RETT ee") is a Main belt asteroid. It has a very bright surface, unusually bright even for a rocky S-type asteroid.
It was discovered by J. Palisa on May 21, 1879, and named after Arete, the mother of Nausicaa in Homer's The Odyssey.
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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |