(18461) Seiichikanno Main-belt Asteroid

Discovered on 17 August 1995 by T. Okuni at Nanyo.

Seiichi Kanno (b. 1954) is an education consultant and an amateur astronomer, who has observed the planets since 1970. He built an observatory in Kaminoyama city, Yamagata, in 1989, and now observes the planets with a video camera.Naming citation (20110517/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Seiichikanno is today

MercuryVenusEarthEarthMarsMarsSeiichikannoSeiichikanno

Seen from above the solar system on 2026-10-14: Seiichikanno is 2.83 au from the Sun and 2.17 au from Earth. Computed from JPL's orbital elements.

Facts

Number18461
Provisional designation1995 QQ
Orbit classMain-belt Asteroid
Diameter6.52 km (#8,224 largest of 17,440 named asteroids with a measured size)
Albedo0.151
Absolute magnitude (H)13.98
Orbital period4.31 years
Semi-major axis2.65 au
Perihelion – aphelion2.35 – 2.94 au
Eccentricity0.111
Inclination13.7°
Closest distance between its orbit and Earth's (MOID)1.35 au

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

Also named after someone called Seiichi

Also discovered on 17 August 1995

More named asteroids discovered by T. Okuni