(31230) Tuyouyou Main-belt Asteroid
Discovered on 18 January 1998 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Tu Youyou (b. 1930) is a Chinese pharmacologist and Nobel Laureate. She discovered the antimalarial drug artemisinin, which has saved millions of lives, especially in developing countries. She has won many prestigious awards, including the 2015 Nobel Prize in Physiology or Medicine.Naming citation (MPC batch dated 2015-12-25), IAU / Minor Planet Center, via NASA/JPL
Where Tuyouyou is today
Seen from above the solar system on 2026-10-14: Tuyouyou is 2.94 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31230 |
| Provisional designation | 1998 BB47 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 7.38 hours |
| Absolute magnitude (H) | 13.67 |
| Orbital period | 4.40 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.29 – 3.08 au |
| Eccentricity | 0.147 |
| Inclination | 14.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 January 1998
- (10628) Feuerbacher
- (17744) Jodiefoster
- (35429) Bochartdesaron
- (37818) Juliamaury
- (58700) Darson
- (91001) Shanghaishida