(519419) Guyewang Main-belt Asteroid
Discovered on 25 October 2011 by PMO NEO Survey Program at XuYi.
Gu Yewang (519–581), originally from Suzhou, was a renowned geographer, philologist, and historian in ancient China. He compiled the Yupian, which is recognized as the earliest existing regular script dictionary in China.Naming citation (WGSBN Bull. 4, #11, 20), IAU / Minor Planet Center, via NASA/JPL
Where Guyewang is today
Seen from above the solar system on 2026-10-14: Guyewang is 2.84 au from the Sun and 3.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 519419 |
| Provisional designation | 2011 UU270 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.07 |
| Orbital period | 4.40 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.28 – 3.09 au |
| Eccentricity | 0.149 |
| Inclination | 8.67° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.