(9724) Villanueva Main-belt Asteroid

Discovered on 2 March 1981 by S. J. Bus at Siding Spring.

Geronimo L. Villanueva (b. 1978) is a research assistant professor of physics at Catholic University of America. His research contributions are in the area of high-resolution molecular spectroscopy of planetary and cometary atmospheres, with a particular focus on biomarker gases on Mars.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL

Where Villanueva is today

MercuryVenusEarthEarthMarsMarsVillanuevaVillanueva

Seen from above the solar system on 2026-10-14: Villanueva is 2.76 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.

Facts

Number9724
Provisional designation1981 EW17
Orbit classMain-belt Asteroid
Diameter2.70 km (#15,846 largest of 17,440 named asteroids with a measured size)
Albedo0.265
Rotation period4.48 hours
Absolute magnitude (H)15.27
Orbital period3.72 years
Semi-major axis2.40 au
Perihelion – aphelion2.04 – 2.77 au
Eccentricity0.152
Inclination1.87°
Closest distance between its orbit and Earth's (MOID)1.05 au

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

Also named after someone called Geronimo

Also discovered on 2 March 1981

More named asteroids discovered by S. J. Bus