(33553) Nagai Main-belt Asteroid
Discovered on 11 May 1999 by T. Okuni at Nanyo.
Nagai is a city in Yamagata prefecture. A 1.8-kg meteorite fell nearby on 1922 May 30.Naming citation (20030318/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nagai is today
Seen from above the solar system on 2026-10-14: Nagai is 2.68 au from the Sun and 3.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33553 |
| Provisional designation | 1999 JQ17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.27 km (#14,566 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.346 |
| Absolute magnitude (H) | 14.57 |
| Orbital period | 4.11 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.36 – 2.77 au |
| Eccentricity | 0.0795 |
| Inclination | 6.85° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.