(5379) Abehiroshi Main-belt Asteroid

Discovered on 16 April 1991 by Otomo, S., Muramatsu, O. at Kiyosato.

Named in honor of Hiroshi Abe (b. 1958), a resident of Shimane. Discoverer of numerous minor planets at Yatsuka Observatory since 1993, he is also an active confirmer of new objects in collaboration with S. Nakano.Naming citation (19990728/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Abehiroshi is today

MercuryVenusEarthEarthMarsMarsAbehiroshiAbehiroshi

Seen from above the solar system on 2026-10-14: Abehiroshi is 2.53 au from the Sun and 1.85 au from Earth. Computed from JPL's orbital elements.

Facts

Number5379
Provisional designation1991 HG
Orbit classMain-belt Asteroid
Diameter6.25 km (#8,574 largest of 17,440 named asteroids with a measured size)
Albedo0.284
Spectral typeV
Absolute magnitude (H)12.97
Orbital period3.71 years
Semi-major axis2.40 au
Perihelion – aphelion2.26 – 2.53 au
Eccentricity0.0564
Inclination3.80°
Closest distance between its orbit and Earth's (MOID)1.25 au

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

Also named after someone called Hiroshi

Also discovered on 16 April 1991

More named asteroids discovered by Otomo, S., Muramatsu, O.