(514986) Zhangweiguo Main-belt Asteroid
Discovered on 22 March 2009 by Y.-S. Tsai at Lulin.
Zhang Weiguo (b. 1979) is a Chinese amateur astronomer, community educator, and an owner of the largest private astronomical observatory in Lijiang, China. He is the founder of the Taizhou Astronomical Society in Zhejiang Province, the Changzhou Astronomical Society in Jiangsu Province, and the Lijiang Astronomical Association in Yunnan Province.Naming citation (WGSBN Bull. 3, #8, 17), IAU / Minor Planet Center, via NASA/JPL
Where Zhangweiguo is today
Seen from above the solar system on 2026-10-14: Zhangweiguo is 2.20 au from the Sun and 2.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 514986 |
| Provisional designation | 2009 FB30 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.61 |
| Orbital period | 4.49 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.19 – 3.25 au |
| Eccentricity | 0.194 |
| Inclination | 6.41° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.