(664) Judith Main-belt Asteroid

Discovered on 24 June 1908 by A. Kopff at Heidelberg.

Where Judith is today

MercuryVenusEarthEarthMarsMarsJudithJudith

Seen from above the solar system on 2026-10-14: Judith is 2.80 au from the Sun and 3.80 au from Earth. Computed from JPL's orbital elements.

Facts

Number664
Provisional designationA908 MC
Orbit classMain-belt Asteroid
Diameter85.2 km (#333 largest of 17,440 named asteroids with a measured size)
Albedo0.0400
Rotation period19.3 hours
Spectral typeXC
Absolute magnitude (H)9.93
Orbital period5.66 years
Semi-major axis3.18 au
Perihelion – aphelion2.41 – 3.95 au
Eccentricity0.242
Inclination8.57°
Closest distance between its orbit and Earth's (MOID)1.41 au

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

Also discovered on 24 June 1908

More named asteroids discovered by A. Kopff