(5348) Kennoguchi Main-belt Asteroid

Discovered on 16 January 1988 by T. Kojima at Chiyoda.

Ken Noguchi (b.~1973) is a Japanese alpinist and environmental activist. In 1999 he reached the summit of Mt. Everest and became the youngest person in the world (at that time) to climb the highest mountains on each of the seven continents.Naming citation (20110218/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Kennoguchi is today

MercuryVenusEarthEarthMarsMarsKennoguchiKennoguchi

Seen from above the solar system on 2026-10-14: Kennoguchi is 2.95 au from the Sun and 3.81 au from Earth. Computed from JPL's orbital elements.

Facts

Number5348
Provisional designation1988 BB
Orbit classMain-belt Asteroid
Diameter15.2 km (#3,099 largest of 17,440 named asteroids with a measured size)
Albedo0.0700
Spectral typeCh
Absolute magnitude (H)12.9
Orbital period4.67 years
Semi-major axis2.79 au
Perihelion – aphelion2.31 – 3.27 au
Eccentricity0.171
Inclination7.07°
Closest distance between its orbit and Earth's (MOID)1.33 au

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

Also named after someone called Ken

Also discovered on 16 January 1988

More named asteroids discovered by T. Kojima