(168) Sibylla

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(168) Sibylla
Properties of the orbit ( animation )
Orbit type Outer main belt
Major semi-axis 3,377  AU
eccentricity 0.069
Perihelion - aphelion 3.145 AU - 3.609 AU
Inclination of the orbit plane 4.6 °
Length of the ascending node 206.4 °
Argument of the periapsis 168.6 °
Time of passage of the perihelion July 14, 2013
Sidereal period 6 a 75 d
Mean orbital velocity 16.2 km / s
Physical Properties
Medium diameter 148 km
Albedo 0.0535
Rotation period 47 h 1 min
Absolute brightness 7.94 mag
Spectral class C.
Explorer JC Watson
Date of discovery September 28, 1876
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(168) Sibylla is an asteroid which - like Cybele - orbits on the outer edge of the main belt in the so-called Hecuba gap.

The low albedo indicates that it contains a high proportion of carbonates .

The asteroid was discovered by James Craig Watson in Ann Arbor on September 28, 1876 and named after Sibylle , a seer from Greek mythology .

See also