(100433) Hyakusyuko Main-belt Asteroid
Discovered on 24 May 1996 by T. Okuni at Nanyo.
Nagai Hyakusyuko is the name of the dam lake in Nagai city, Yamagata Prefecture, Japan. It was completed in March 2011 and is a popular tourist spot.Naming citation (MPC batch dated 2017-01-12), IAU / Minor Planet Center, via NASA/JPL
Where Hyakusyuko is today
Seen from above the solar system on 2026-10-14: Hyakusyuko is 3.00 au from the Sun and 2.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 100433 |
| Provisional designation | 1996 KU1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.85 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 1.71 – 3.46 au |
| Eccentricity | 0.340 |
| Inclination | 8.79° |
| Closest distance between its orbit and Earth's (MOID) | 0.714 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.