(21826) Youjiazhong Main-belt Asteroid
Discovered on 2 October 1999 by LINEAR at Socorro.
YouJia Zhong (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for her chemistry project. She attends the Raffles Junior College, Singapore, Singapore.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Youjiazhong is today
Seen from above the solar system on 2026-10-14: Youjiazhong is 1.94 au from the Sun and 1.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21826 |
| Provisional designation | 1999 TJ91 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.57 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.90 – 2.62 au |
| Eccentricity | 0.158 |
| Inclination | 1.77° |
| Closest distance between its orbit and Earth's (MOID) | 0.890 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 October 1999
- (12929) Periboea
- (12935) Zhengzhemin
- (13406) Sekora
- (16087) Rhythmgarg
- (16094) Scottmccord
- (20629) Robert
- (20631) Stefuller
- (20632) Carlyrosser
- (20633) Robertluther
- (20634) Marichardson
- (20635) Robinandrews
- (20636) Romanhirsch