(168) Sibylla Outer Main-belt Asteroid

Discovered on 28 September 1876 by J. C. Watson at Ann Arbor.

Where Sibylla is today

MercuryVenusEarthEarthMarsMarsSibyllaSibylla

Seen from above the solar system on 2026-10-14: Sibylla is 3.19 au from the Sun and 2.65 au from Earth. Computed from JPL's orbital elements.

Facts

Number168
Provisional designationA876 SA
Orbit classOuter Main-belt Asteroid
Diameter145 km (#93 largest of 17,440 named asteroids with a measured size)
Albedo0.0560
Rotation period47.0 hours
Spectral typeC
Absolute magnitude (H)8.27
Orbital period6.19 years
Semi-major axis3.37 au
Perihelion – aphelion3.12 – 3.62 au
Eccentricity0.0742
Inclination4.67°
Closest distance between its orbit and Earth's (MOID)2.12 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 28 September 1876

More named asteroids discovered by J. C. Watson