(20780) Chanyikhei Main-belt Asteroid
Discovered on 1 September 2000 by LINEAR at Socorro.
Chan Yik Hei (b. 1989) was awarded second place in the 2004 Intel International Science and Engineering Fair for his engineering project. He attends the CCC Tam Lee Lai Fun Memorial Secondary School, Hong Kong, China.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chanyikhei is today
Seen from above the solar system on 2026-10-14: Chanyikhei is 2.85 au from the Sun and 3.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20780 |
| Provisional designation | 2000 RO11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.49 km (#11,647 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.241 |
| Absolute magnitude (H) | 14.3 |
| Orbital period | 4.04 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.19 – 2.89 au |
| Eccentricity | 0.139 |
| Inclination | 6.49° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Chan
All asteroids named after someone called Chan
Also discovered on 1 September 2000
- (18979) Henryfong
- (18980) Johannatang
- (18983) Allentran
- (18987) Irani
- (18991) Tonivanov
- (18997) Mizrahi
- (19002) Tongkexue
- (19003) Erinfrey
- (19005) Teckman
- (19801) Karenlemmon
- (20774) Zender
- (20775) Zhaohaibin