(13221) Nao Main-belt Asteroid

Discovered on 24 July 1997 by A. Nakamura at Kuma Kogen.

Naomi Nakamura (b. 1965), whose nickname is Nao, is the wife of the discoverer.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Nao is today

MercuryVenusEarthEarthMarsMarsNaoNao

Seen from above the solar system on 2026-10-14: Nao is 2.34 au from the Sun and 2.73 au from Earth. Computed from JPL's orbital elements.

Facts

Number13221
Provisional designation1997 OY
Orbit classMain-belt Asteroid
Absolute magnitude (H)13.53
Orbital period4.52 years
Semi-major axis2.73 au
Perihelion – aphelion2.33 – 3.13 au
Eccentricity0.147
Inclination8.23°
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 Naomi

Also discovered on 24 July 1997

More named asteroids discovered by A. Nakamura