(345871) Xuguangxian Main-belt Asteroid
Discovered on 13 August 2007 by PMO NEO Survey Program at XuYi.
Xu Guangxian (1920-2015), an academician of the Chinese Academy of Science, developed the theory of counter-current cascade extraction, which is widely used in rare-earth separation.Naming citation (MPC batch dated 2020-02-05), IAU / Minor Planet Center, via NASA/JPL
Where Xuguangxian is today
Seen from above the solar system on 2026-10-14: Xuguangxian is 3.12 au from the Sun and 2.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 345871 |
| Provisional designation | 2007 QR6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.89 |
| Orbital period | 4.44 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.14 – 3.25 au |
| Eccentricity | 0.206 |
| Inclination | 5.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.