(22409) Nagatohideaki Main-belt Asteroid

Discovered on 20 September 1995 by Endate, K., Watanabe, K. at Kitami.

Hideaki Nagato (b. 1943) opened a nursery school and become its principal in Komatsu City, Ishikawa Prefecture, Japan. The school started with six children but now serves more than a thousand children.Naming citation (WGSBN Bull. 1, #1, 13), IAU / Minor Planet Center, via NASA/JPL

Where Nagatohideaki is today

MercuryVenusEarthEarthMarsMarsNagatohideakiNagatohideaki

Seen from above the solar system on 2026-10-14: Nagatohideaki is 2.57 au from the Sun and 2.12 au from Earth. Computed from JPL's orbital elements.

Facts

Number22409
Provisional designation1995 SU3
Orbit classMain-belt Asteroid
Diameter4.41 km (#11,816 largest of 17,440 named asteroids with a measured size)
Albedo0.301
Absolute magnitude (H)13.78
Orbital period3.37 years
Semi-major axis2.25 au
Perihelion – aphelion1.82 – 2.68 au
Eccentricity0.191
Inclination6.63°
Closest distance between its orbit and Earth's (MOID)0.808 au

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

Also named after someone called Hideaki

Also discovered on 20 September 1995

More named asteroids discovered by Endate, K., Watanabe, K.