106 Dione
| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 3.168 AU |
| Perihelion distance | 2.615 AU |
| Aphelion distance | 3.722 AU |
| Orbital period | 5.64 years |
| Inclination | 4.62° |
| Eccentricity | 0.175 |
| Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 146.6 km |
| Rotation period | 15 hours |
| Spectral class | G |
| Abs. magnitude | 7.41 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.089 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | J. C. Watson, 1868 |
106 Dione is a large main belt asteroid. It probably has a composition similar to 1 Ceres.
It was discovered by J. C. Watson on October 10, 1868 and named after Dione, a Titan in Greek mythology.
Dione occulted a dim star on January 19, 1983. A diameter of 147 km was observed, closely matching the value acquired by the IRAS satellite.
One of Saturn's satellites is also named Dione.
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