(8271) Imai Main-belt Asteroid

Discovered on 2 July 1989 by E. F. Helin at Palomar.

Yasushi Imai (b. 1949) was the president of a planetarium manufacturing company from 1998 to 2009. His tireless and distinguished efforts encouraged wide-ranging product development in this field.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Imai is today

MercuryVenusEarthEarthMarsMarsImaiImai

Seen from above the solar system on 2026-10-14: Imai is 2.10 au from the Sun and 2.49 au from Earth. Computed from JPL's orbital elements.

Facts

Number8271
Provisional designation1989 NY
Orbit classMain-belt Asteroid
Diameter5.78 km (#9,244 largest of 17,440 named asteroids with a measured size)
Albedo0.192
Absolute magnitude (H)13.66
Orbital period3.74 years
Semi-major axis2.41 au
Perihelion – aphelion1.90 – 2.91 au
Eccentricity0.210
Inclination10.4°
Closest distance between its orbit and Earth's (MOID)0.896 au

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

Also named after someone called Yasushi

Also discovered on 2 July 1989

More named asteroids discovered by E. F. Helin