(185538) Fangcheng Main-belt Asteroid
Discovered on 14 December 2007 by PMO NEO Survey Program at XuYi.
Astrophysicist Fang Cheng (b. 1938) has made essential contributions to the design and construction of the first solar-tower telescope in China and achieved important results in semiempirical solar atmospheric modeling, spectral diagnostics of non-thermal particles and the dynamic models of flares.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Fangcheng is today
Seen from above the solar system on 2026-10-14: Fangcheng is 3.05 au from the Sun and 4.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 185538 |
| Provisional designation | 2007 XD28 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.13 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.28 – 3.05 au |
| Eccentricity | 0.144 |
| Inclination | 6.96° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.