(2221) Chilton Main-belt Asteroid

Discovered on 25 August 1976 by Harvard Observatory at Harvard.

Named in honor of Jean Chilton McCrosky, wife of Harvard-Smithsonian astronomer Richard E. McCrosky.Naming citation (MPC 5285), IAU / Minor Planet Center, via NASA/JPL

Where Chilton is today

MercuryVenusEarthEarthMarsMarsChiltonChilton

Seen from above the solar system on 2026-10-14: Chilton is 2.28 au from the Sun and 1.41 au from Earth. Computed from JPL's orbital elements.

Facts

Number2221
Provisional designation1976 QC
Orbit classMain-belt Asteroid
Rotation period7.45 hours
Absolute magnitude (H)13.04
Orbital period4.17 years
Semi-major axis2.59 au
Perihelion – aphelion2.23 – 2.95 au
Eccentricity0.138
Inclination13.8°
Closest distance between its orbit and Earth's (MOID)1.27 au

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

Also named after someone called Jean

More named asteroids discovered by Harvard Observatory