(11111) Repunit Main-belt Asteroid

Discovered on 16 November 1995 by T. Kobayashi at Oizumi.

A repunit (“repeated unity”) is a number consisting solely of the digit 1. The name was introduced by Albert H. Beiler in his book Recreations in the Theory of Numbers (1964). For this minor planet, the name was suggested by J. Meeus.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Repunit is today

MercuryVenusEarthEarthMarsMarsRepunitRepunit

Seen from above the solar system on 2026-10-14: Repunit is 3.07 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.

Facts

Number11111
Provisional designation1995 WL
Orbit classMain-belt Asteroid
Diameter5.72 km (#9,352 largest of 17,440 named asteroids with a measured size)
Albedo0.236
Absolute magnitude (H)13.63
Orbital period5.05 years
Semi-major axis2.94 au
Perihelion – aphelion2.66 – 3.23 au
Eccentricity0.0963
Inclination3.39°
Closest distance between its orbit and Earth's (MOID)1.65 au

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

Also discovered on 16 November 1995

More named asteroids discovered by T. Kobayashi