(616690) Liaoxi Main-belt Asteroid
Discovered on 31 December 2016 by Gao, W., Gao, X. at Xingming.
Liao Xi (b. 1961) is a Chinese amateur astronomer in Hefei Anhui. He is a member of the Xingming Observatory Sky Survey team and has discovered many new objects, including asteroids, supernovae and NEOs.Naming citation (WGSBN Bull. 4, #9, 15), IAU / Minor Planet Center, via NASA/JPL
Where Liaoxi is today
Seen from above the solar system on 2026-10-14: Liaoxi is 2.71 au from the Sun and 2.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 616690 |
| Provisional designation | 2016 YY12 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.99 |
| Orbital period | 4.88 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.57 – 3.19 au |
| Eccentricity | 0.108 |
| Inclination | 5.77° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.