(215) Oenone Main-belt Asteroid

Discovered on 7 April 1880 by V. Knorre at Berlin.

Where Oenone is today

MercuryVenusEarthEarthMarsMarsOenoneOenone

Seen from above the solar system on 2026-10-14: Oenone is 2.86 au from the Sun and 3.59 au from Earth. Computed from JPL's orbital elements.

Facts

Number215
Provisional designationA880 GA
Orbit classMain-belt Asteroid
Diameter35.2 km (#1,144 largest of 17,440 named asteroids with a measured size)
Albedo0.243
Rotation period27.9 hours
Spectral typeS
Absolute magnitude (H)9.57
Orbital period4.61 years
Semi-major axis2.77 au
Perihelion – aphelion2.67 – 2.86 au
Eccentricity0.0341
Inclination1.68°
Closest distance between its orbit and Earth's (MOID)1.67 au

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

More named asteroids discovered by V. Knorre