168 Sibylla
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|
| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt (Cybele) |
| Semimajor axis | 3.377 AU |
| Perihelion distance | 3.154 AU |
| Aphelion distance | 3.601 AU |
| Orbital period | 6.21 years |
| Inclination | 4.63° |
| Eccentricity | 0.066 |
| Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 148.4 km |
| Rotation period | 23.82 hours |
| Spectral class | C |
| Abs. magnitude | 7.94 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.054 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | J. C. Watson, 1876 |
168 Sibylla is a large Main belt asteroid. It is very dark and composed of primitive carbonaceous materials.
It is a Cybele asteroid, orbiting beyond most of the Main belt asteroids.
It was discovered by J. C. Watson on September 28, 1876.
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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |