(43259) Wangzhenyi Main-belt Asteroid
Discovered on 8 February 2000 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Wang Zhenyi (b. 1924), hematologist-academician of the Chinese Academy of Engineering, has developed creative clinical treatments for leukemia, especially the treatment of acute promyelocytic leukemia by All Trans Retinoic Acid (Tretinoin). He was awarded China's State Supreme Science and Technology Prize in 2010.Naming citation (20111210/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Wangzhenyi is today
Seen from above the solar system on 2026-10-14: Wangzhenyi is 2.58 au from the Sun and 1.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 43259 |
| Provisional designation | 2000 CK104 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 2.94 hours |
| Absolute magnitude (H) | 13.41 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.14 – 3.02 au |
| Eccentricity | 0.171 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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