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Encyclopedia > 168 Sibylla
168 Sibylla
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 carbonaceus materials.


It is a Cybele asteroid, so it orbits beyond most of the Main belt asteroids.


It was discovered by J. C. Watson on September 28, 1876.

This article is a stub. You can help Wikipedia by expanding it (http://en.wikipedia.org/w/index.php?title=168_Sibylla&action=edit).




 
 

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