(103220) Kwongchuikuen Main-belt Asteroid
Discovered on 28 December 1999 by W. K. Y. Yeung at Rock Finder.
Kwong Chui Kuen (b. 1960), a producer of documentaries for television, is the wife of the discoverer. This is the chronologically earliest minor planet credited to the discoverer.Naming citation (20080618/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kwongchuikuen is today
Seen from above the solar system on 2026-10-14: Kwongchuikuen is 2.37 au from the Sun and 3.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 103220 |
| Provisional designation | 1999 YQ4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.41 |
| Orbital period | 4.38 years |
| Semi-major axis | 2.68 au |
| Perihelion – aphelion | 2.16 – 3.19 au |
| Eccentricity | 0.192 |
| Inclination | 9.89° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.