(163) Erigone Main-belt Asteroid

Discovered on 26 April 1876 by J. Perrotin at Toulouse.

Where Erigone is today

MercuryVenusEarthEarthMarsMarsErigoneErigone

Seen from above the solar system on 2026-10-14: Erigone is 2.78 au from the Sun and 2.82 au from Earth. Computed from JPL's orbital elements.

Facts

Number163
Provisional designationA876 HC
Orbit classMain-belt Asteroid
Diameter81.6 km (#365 largest of 17,440 named asteroids with a measured size)
Albedo0.0330
Rotation period16.1 hours
Spectral typeC
Absolute magnitude (H)9.77
Orbital period3.64 years
Semi-major axis2.37 au
Perihelion – aphelion1.91 – 2.82 au
Eccentricity0.192
Inclination4.82°
Closest distance between its orbit and Earth's (MOID)0.935 au

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

More named asteroids discovered by J. Perrotin