(100483) NAOJ Main-belt Asteroid
Discovered on 30 October 1996 by Sato, I., Fukushima, H., Yamamoto, N. at Mitaka.
NAOJ is the acronym for the National Astronomical Observatory of Japan, which was established in 1988 as the interuniversity institute for astronomy. This minor planet, commemorating the twentieth anniversary of NAOJ, was discovered with a 0.5-m telescope located on the Mitaka campus of NAOJ.Naming citation (20081212/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where NAOJ is today
Seen from above the solar system on 2026-10-14: NAOJ is 2.89 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 100483 |
| Provisional designation | 1996 US3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.18 km (#12,307 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Absolute magnitude (H) | 15.85 |
| Orbital period | 4.43 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.13 – 3.26 au |
| Eccentricity | 0.209 |
| Inclination | 4.16° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.