(53435) Leonard Amor

Discovered on 9 November 1999 by CSS at Catalina.

Gregory J. Leonard (b. 1963) is an American geologist and planetary scientist. He has contributed to studies of alpine glaciers and hazards, the geology of terrestrial planets, and near-Earth asteroid surveys. With the Catalina Sky Survey he has discovered many near-Earth asteroids and comets, including the naked-eye comet C/2021 A1 (Leonard).Naming citation (WGSBN Bull. 3, #16, 5), IAU / Minor Planet Center, via NASA/JPL

Where Leonard is today

MercuryVenusEarthEarthMarsMarsLeonardLeonard

Seen from above the solar system on 2026-10-14: Leonard is 3.00 au from the Sun and 3.65 au from Earth. Computed from JPL's orbital elements.

Facts

Number53435
Provisional designation1999 VM40
Orbit classAmor · near-Earth
Rotation period5.19 hours
Spectral typeS
Absolute magnitude (H)14.73
Orbital period3.51 years
Semi-major axis2.31 au
Perihelion – aphelion1.20 – 3.43 au
Eccentricity0.483
Inclination15.3°
Closest distance between its orbit and Earth's (MOID)0.205 au

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

Also named after someone called Gregory

Also discovered on 9 November 1999

More named asteroids discovered by CSS