(17693) Wangdaheng Main-belt Asteroid
Discovered on 15 February 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Daheng Wang (b. 1915), research professor, director and honorary director of Changchun Institute of Optics and Fine Mechanics, is one of the founders of optical science and technology in China. He became a member of the Chinese Academy of Sciences in 1955.Naming citation (20020328/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Wangdaheng is today
Seen from above the solar system on 2026-10-14: Wangdaheng is 2.77 au from the Sun and 1.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17693 |
| Provisional designation | 1997 CP28 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.95 km (#9,002 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.217 |
| Absolute magnitude (H) | 13.83 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.71 – 3.27 au |
| Eccentricity | 0.0939 |
| Inclination | 10.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.74 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.