(9226) Arimahiroshi Main-belt Asteroid

Discovered on 12 January 1996 by T. Kobayashi at Oizumi.

Hiroshi Arima (b. 1958) is a registered architect who also designs individual observatories in Japan. While a university student he was a leader of the Kyushu Meteoric Network. With members of the Kumamoto Civil Astronomical Observatory, he helped carry out a solar eclipse observation in Mexico in 1991.Naming citation (20100527/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Arimahiroshi is today

MercuryVenusEarthEarthMarsMarsArimahiroshiArimahiroshi

Seen from above the solar system on 2026-10-14: Arimahiroshi is 2.96 au from the Sun and 3.75 au from Earth. Computed from JPL's orbital elements.

Facts

Number9226
Provisional designation1996 AB1
Orbit classMain-belt Asteroid
Diameter5.62 km (#9,550 largest of 17,440 named asteroids with a measured size)
Albedo0.294
Absolute magnitude (H)13.57
Orbital period4.84 years
Semi-major axis2.86 au
Perihelion – aphelion2.75 – 2.97 au
Eccentricity0.0385
Inclination3.27°
Closest distance between its orbit and Earth's (MOID)1.77 au

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

Also named after someone called Hiroshi

Also discovered on 12 January 1996

More named asteroids discovered by T. Kobayashi