(13849) Dunn Main-belt Asteroid

Discovered on 7 December 1999 by LINEAR at Socorro.

Named in honor of Deborah A. Dunn for mentoring a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Dunn is a teacher at the Mesa Union Junior High School, Somis, California.Naming citation (20011002/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Dunn is today

MercuryVenusEarthEarthMarsMarsDunnDunn

Seen from above the solar system on 2026-10-14: Dunn is 2.11 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.

Facts

Number13849
Provisional designation1999 XN86
Orbit classMain-belt Asteroid
Diameter3.18 km (#14,747 largest of 17,440 named asteroids with a measured size)
Albedo0.332
Absolute magnitude (H)14.65
Orbital period3.27 years
Semi-major axis2.20 au
Perihelion – aphelion2.00 – 2.40 au
Eccentricity0.0908
Inclination4.62°
Closest distance between its orbit and Earth's (MOID)1.02 au

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

Also named after someone called Deborah

Also discovered on 7 December 1999

More named asteroids discovered by LINEAR