(546049) Zhujin Main-belt Asteroid
Discovered on 23 December 2011 by Sun, G., Gao, X. at Xingming.
Jin Zhu (b. 1965) is the chief editor of the Amateur Astronomer magazine in China and the head of the Popularization Working Committee of the Chinese Astronomical Society. He was in charge of the Beijing Schmidt CCD asteroid program during 1995-2002 and was the director of the Beijing Planetarium during 2002-2019.Naming citation (WGSBN Bull. 1, #1, 32), IAU / Minor Planet Center, via NASA/JPL
Where Zhujin is today
Seen from above the solar system on 2026-10-14: Zhujin is 2.28 au from the Sun and 3.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 546049 |
| Provisional designation | 2011 YL4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.84 |
| Orbital period | 3.57 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.05 – 2.62 au |
| Eccentricity | 0.121 |
| Inclination | 5.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jin
- (8315) Bajin
- (20408) Jinbeniyama
- (24926) Jinpan
- (33489) Myungjinkim
- (100434) Jinyilian
- (546844) Jinzhangwei
All asteroids named after someone called Jin