(45878) Sadaoaoki Inner Main-belt Asteroid
Discovered on 23 November 2000 by BATTeRS at Bisei SG Center.
Sadao Aoki (b. 1962) is one of the staff of the Japan Space Forum. For many years, he has contributed greatly to the operation and facility maintenance of the Bisei Spaceguard Center.Naming citation (WGSBN Bull. 1, #1, 18), IAU / Minor Planet Center, via NASA/JPL
Where Sadaoaoki is today
Seen from above the solar system on 2026-10-14: Sadaoaoki is 1.91 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 45878 |
| Provisional designation | 2000 WX29 |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 2.00 km (#17,032 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.837 |
| Rotation period | 3.92 hours |
| Absolute magnitude (H) | 14.68 |
| Orbital period | 2.69 years |
| Semi-major axis | 1.93 au |
| Perihelion – aphelion | 1.74 – 2.13 au |
| Eccentricity | 0.0994 |
| Inclination | 17.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.820 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.