(12432) Usuda Main-belt Asteroid

Discovered on 12 January 1996 by Sato, N., Urata, T. at Chichibu.

The Usuda Deep Space Center of the Japan Aerospace Exploration Agency, located in Saku city, Nagano prefecture, conducts command operations and receives telemetry and data from deep-space explorers such as Hayabusa and Kaguya. The site features a parabolic antenna of diameter 64 meters and weight 1980 tons.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Usuda is today

MercuryVenusEarthEarthMarsMarsUsudaUsuda

Seen from above the solar system on 2026-10-14: Usuda is 2.94 au from the Sun and 2.10 au from Earth. Computed from JPL's orbital elements.

Facts

Number12432
Provisional designation1996 AR1
Orbit classMain-belt Asteroid
Diameter8.04 km (#6,533 largest of 17,440 named asteroids with a measured size)
Albedo0.143
Rotation period12.9 hours
Absolute magnitude (H)13.52
Orbital period5.32 years
Semi-major axis3.05 au
Perihelion – aphelion2.94 – 3.16 au
Eccentricity0.0368
Inclination9.38°
Closest distance between its orbit and Earth's (MOID)1.97 au

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

Also discovered on 12 January 1996

More named asteroids discovered by Sato, N., Urata, T.