(17465) Inawashiroko Main-belt Asteroid

Discovered on 11 November 1990 by T. Seki at Geisei.

Inawashiroko, one of the largest lakes in Japan, is located in Bandai-Asahi National Park. It is known for the clarity of its water, migrating swans and numerous swimming beaches. The town of Inawashiro on the north shore is the birthplace of bacteriologist Hideyo Noguchi.Naming citation (20100130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Inawashiroko is today

MercuryVenusEarthEarthMarsMarsInawashirokoInawashiroko

Seen from above the solar system on 2026-10-14: Inawashiroko is 2.69 au from the Sun and 1.80 au from Earth. Computed from JPL's orbital elements.

Facts

Number17465
Provisional designation1990 VU3
Orbit classMain-belt Asteroid
Diameter7.01 km (#7,628 largest of 17,440 named asteroids with a measured size)
Albedo0.108
Rotation period25.2 hours
Absolute magnitude (H)14.29
Orbital period5.14 years
Semi-major axis2.98 au
Perihelion – aphelion2.58 – 3.38 au
Eccentricity0.133
Inclination1.32°
Closest distance between its orbit and Earth's (MOID)1.60 au

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

Also discovered on 11 November 1990

More named asteroids discovered by T. Seki