(319090) Barbarahillary Main-belt Asteroid

Discovered on 26 November 2005 by Mt. Lemmon Survey at Mount Lemmon.

Barbara Hillary (1931–2019) was an American explorer, inspirational speaker, publisher and community activist. As a retired nurse and cancer survivor, in 2007 she became the first Black woman to reach the North Pole. In 2011 Barbara became the first African American woman on record to reach the South Pole, and is the only Black woman to reach both poles.Naming citation (WGSBN Bull. 4, #15, 10), IAU / Minor Planet Center, via NASA/JPL

Where Barbarahillary is today

MercuryVenusEarthEarthMarsMarsBarbarahillaryBarbarahillary

Seen from above the solar system on 2026-10-14: Barbarahillary is 2.84 au from the Sun and 2.06 au from Earth. Computed from JPL's orbital elements.

Facts

Number319090
Provisional designation2005 WQ140
Orbit classMain-belt Asteroid
Absolute magnitude (H)16.29
Orbital period5.39 years
Semi-major axis3.07 au
Perihelion – aphelion2.73 – 3.41 au
Eccentricity0.111
Inclination7.37°
Closest distance between its orbit and Earth's (MOID)1.74 au

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

Also named after someone called Barbara

Also discovered on 26 November 2005

More named asteroids discovered by Mt. Lemmon Survey