(55901) Xuaoao Main-belt Asteroid
Discovered on 15 February 1998 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Xu Aoao (b. 1940) is a solar-physics astronomer and educator. As Vice President of Nanjing University and President of the Macau University of Science and Technology, he made significant contributions to promoting the education and research of the universities.Naming citation (MPC batch dated 2016-08-18), IAU / Minor Planet Center, via NASA/JPL
Where Xuaoao is today
Seen from above the solar system on 2026-10-14: Xuaoao is 2.29 au from the Sun and 1.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55901 |
| Provisional designation | 1998 CL2 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 2.73 hours |
| Absolute magnitude (H) | 15.17 |
| Orbital period | 4.18 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.05 – 3.14 au |
| Eccentricity | 0.210 |
| Inclination | 5.67° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.