(20015) Liguori Main-belt Asteroid

Discovered on 30 September 1991 by R. H. McNaught at Siding Spring.

Domenico Liguori (b. 1970) is an Italian physicist and teacher who specializes in the study and understanding of cosmic rays and various physical phenomena. In 2023, he was awarded the Atlante Italian Teacher Award as the best Italian teacher of mathematics and physics.Naming citation (WGSBN Bull. 4, #7, 8), IAU / Minor Planet Center, via NASA/JPL

Where Liguori is today

MercuryVenusEarthEarthMarsMarsLiguoriLiguori

Seen from above the solar system on 2026-10-14: Liguori is 2.51 au from the Sun and 2.82 au from Earth. Computed from JPL's orbital elements.

Facts

Number20015
Provisional designation1991 SR
Orbit classMain-belt Asteroid
Diameter4.36 km (#11,926 largest of 17,440 named asteroids with a measured size)
Albedo0.337
Absolute magnitude (H)13.97
Orbital period4.22 years
Semi-major axis2.61 au
Perihelion – aphelion2.33 – 2.89 au
Eccentricity0.107
Inclination15.3°
Closest distance between its orbit and Earth's (MOID)1.40 au

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

Also named after someone called Domenico

Also discovered on 30 September 1991

More named asteroids discovered by R. H. McNaught