(21653) Davidwang Main-belt Asteroid
Discovered on 22 July 1999 by LINEAR at Socorro.
David Jueyu Wang (b. 1989) was awarded first place in the 2006 Intel International Science and Engineering Fair for his botany project. He attends the A.B. Lucas Secondary School, London, Ontario, Canada.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Davidwang is today
Seen from above the solar system on 2026-10-14: Davidwang is 2.37 au from the Sun and 2.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21653 |
| Provisional designation | 1999 OH3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.82 km (#5,900 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Rotation period | 7.15 hours |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.19 – 3.38 au |
| Eccentricity | 0.214 |
| Inclination | 18.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.27 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called David