(23712) Willpatrick Main-belt Asteroid

Discovered on 1 January 1998 by Dillon, W. G., Dillon, E. R. at Needville.

William Patrick Dillon (b. 1992), son of the discoverers, was with them on the discovery night: “Daddy, I want to go home now. This place is cold and spooky.” “Just one more image, son. Keep your eyes on the heavens!”Naming citation (20040928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Willpatrick is today

MercuryVenusEarthEarthMarsMarsWillpatrickWillpatrick

Seen from above the solar system on 2026-10-14: Willpatrick is 1.93 au from the Sun and 1.02 au from Earth. Computed from JPL's orbital elements.

Facts

Number23712
Provisional designation1998 AA
Orbit classMain-belt Asteroid
Diameter7.66 km (#6,929 largest of 17,440 named asteroids with a measured size)
Albedo0.120
Rotation period3.90 hours
Absolute magnitude (H)13.77
Orbital period3.66 years
Semi-major axis2.37 au
Perihelion – aphelion1.79 – 2.96 au
Eccentricity0.246
Inclination23.5°
Closest distance between its orbit and Earth's (MOID)0.939 au

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

Also named after someone called William

Also discovered on 1 January 1998