(4368) Pillmore Main-belt Asteroid

Discovered on 5 May 1981 by C. S. Shoemaker at Palomar.

Where Pillmore is today

MercuryVenusEarthEarthMarsMarsPillmorePillmore

Seen from above the solar system on 2026-10-14: Pillmore is 3.22 au from the Sun and 4.18 au from Earth. Computed from JPL's orbital elements.

Facts

Number4368
Provisional designation1981 JC2
Orbit classMain-belt Asteroid
Diameter21.8 km (#1,990 largest of 17,440 named asteroids with a measured size)
Albedo0.0800
Rotation period3.61 hours
Absolute magnitude (H)11.66
Orbital period5.68 years
Semi-major axis3.18 au
Perihelion – aphelion3.09 – 3.27 au
Eccentricity0.0286
Inclination20.9°
Closest distance between its orbit and Earth's (MOID)2.14 au

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

Also discovered on 5 May 1981

More named asteroids discovered by C. S. Shoemaker