(19366) Sudingqiang Main-belt Asteroid
Discovered on 6 November 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Su Ding-qiang (b. 1936), an astronomer and optical engineering expert, made many creative contributions to Chinese astronomical instruments, including a new idea to apply active optics to obtain the shape of a changeable optical system that could not be realized in the conventional way.Naming citation (20090209/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sudingqiang is today
Seen from above the solar system on 2026-10-14: Sudingqiang is 3.01 au from the Sun and 3.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19366 |
| Provisional designation | 1997 VZ7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.78 km (#7,902 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.400 |
| Absolute magnitude (H) | 13.01 |
| Orbital period | 4.40 years |
| Semi-major axis | 2.68 au |
| Perihelion – aphelion | 2.23 – 3.13 au |
| Eccentricity | 0.168 |
| Inclination | 13.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Su
All asteroids named after someone called Su