(20689) Zhuyuanchen Main-belt Asteroid
Discovered on 4 November 1999 by LINEAR at Socorro.
Zhu Yuanchen (b. 1985) was awarded first place and Best in Category in the 2004 Intel International Science and Engineering Fair for his computer science project. He also received the Intel Foundation Young Scientist Award and the Seaborg SIYSS Award. He attends the Shanghai Foreign Language School, Shanghai, China.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Zhuyuanchen is today
Seen from above the solar system on 2026-10-14: Zhuyuanchen is 2.71 au from the Sun and 1.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20689 |
| Provisional designation | 1999 VF63 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.24 km (#12,185 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.326 |
| Absolute magnitude (H) | 13.92 |
| Orbital period | 4.60 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.38 – 3.16 au |
| Eccentricity | 0.141 |
| Inclination | 9.72° |
| Closest distance between its orbit and Earth's (MOID) | 1.40 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Zhu
- (10388) Zhuguangya
- (21728) Zhuzhirui
- (21731) Zhuruochen
- (224888) Cochingchu
- (256698) Zhuzhixin
- (391996) Zhunenghong
All asteroids named after someone called Zhu
Also discovered on 4 November 1999
- (13434) Adamquade
- (13435) Rohret
- (13825) Booth
- (16102) Barshannon
- (20686) Thottumkara
- (20687) Saletore
- (20688) Sandroricardo
- (20690) Crivello
- (21924) Alyssaovaitt
- (21925) Supasternak
- (21926) Jacobperry
- (21927) Sarahpierz