(216343) Wenchang Main-belt Asteroid
Discovered on 28 November 2007 by Ye, Q.-z., Lin, H.-C. at Lulin.
Wenchang Shi, historically known as Zibei County, is a Chinese city in Hainan Dao. It has a history of about 2100 years and is the ancestral home of the first discoverer.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Wenchang is today
Seen from above the solar system on 2026-10-14: Wenchang is 2.82 au from the Sun and 3.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 216343 |
| Provisional designation | 2007 WJ56 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.52 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.18 – 3.11 au |
| Eccentricity | 0.178 |
| Inclination | 14.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.