(120) Lachesis Main-belt Asteroid

Discovered on 10 April 1872 by A. Borrelly at Marseilles.

Where Lachesis is today

MercuryVenusEarthEarthMarsMarsLachesisLachesis

Seen from above the solar system on 2026-10-14: Lachesis is 2.97 au from the Sun and 3.94 au from Earth. Computed from JPL's orbital elements.

Facts

Number120
Provisional designationA872 GB
Orbit classMain-belt Asteroid
Diameter155 km (#74 largest of 17,440 named asteroids with a measured size)
Albedo0.0580
Rotation period46.6 hours
Spectral typeC
Absolute magnitude (H)7.78
Orbital period5.51 years
Semi-major axis3.12 au
Perihelion – aphelion2.97 – 3.27 au
Eccentricity0.0490
Inclination6.94°
Closest distance between its orbit and Earth's (MOID)1.97 au

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

More named asteroids discovered by A. Borrelly