(546756) Sunguoyou Main-belt Asteroid
Discovered on 9 December 2010 by Xu, Z., Gao, X. at Xingming.
Sun Guoyou (b. 1984) is a Chinese amateur astronomer. He is a member of the Xingming Observatory Sky Survey team and has discovered many new objects, including comets, novae, supernovae, asteroids, dwarf novae, variable stars, double stars and planetary nebulae. In 2015 he discovered C/2015 F5 (SWAN-Xingming).Naming citation (WGSBN Bull. 1, #1, 32), IAU / Minor Planet Center, via NASA/JPL
Where Sunguoyou is today
Seen from above the solar system on 2026-10-14: Sunguoyou is 2.18 au from the Sun and 1.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 546756 |
| Provisional designation | 2010 XL71 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.36 |
| Orbital period | 4.07 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.17 – 2.93 au |
| Eccentricity | 0.148 |
| Inclination | 9.94° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sun
- (15546) Sunyufeng
- (25570) Kesun
- (33979) Sunhaochun
- (148081) Sunjiadong
- (185640) Sunyisui
- (527205) Zhongdatianwen
- (546846) Sunpeiyuan
- (616689) Yihangyiyang
All asteroids named after someone called Sun