(34816) Billybarr Main-belt Asteroid

Discovered on 20 September 2001 by W. K. Y. Yeung at Desert Eagle.

Billy Barr (b. 1950) is an American naturalist. Living in the Colorado Rocky Mountains, he has collected data for over 50 years on snow levels, temperatures, and animal migration. His meticulous records have provided valuable evidence of the effects of climate change.Naming citation (WGSBN Bull. 5, #17, 19), IAU / Minor Planet Center, via NASA/JPL

Where Billybarr is today

MercuryVenusEarthEarthMarsMarsBillybarrBillybarr

Seen from above the solar system on 2026-10-14: Billybarr is 2.89 au from the Sun and 3.57 au from Earth. Computed from JPL's orbital elements.

Facts

Number34816
Provisional designation2001 ST113
Orbit classMain-belt Asteroid
Diameter2.83 km (#15,592 largest of 17,440 named asteroids with a measured size)
Albedo0.290
Absolute magnitude (H)15.03
Orbital period4.61 years
Semi-major axis2.77 au
Perihelion – aphelion2.50 – 3.05 au
Eccentricity0.0991
Inclination5.34°
Closest distance between its orbit and Earth's (MOID)1.49 au

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

Also discovered on 20 September 2001

More named asteroids discovered by W. K. Y. Yeung