(23690) Jiangwenhan Main-belt Asteroid
Discovered on 9 May 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Jiang Wenhan (b. 1936) is a leading optical scientist and an Academician of Chinese Academy of Engineering. He is a pioneer of adaptive optics in China, and achieved the first real-time adaptive optics correction imaging of stellar targets with an astronomical telescope in China in 1990.Naming citation (WGSBN Bull. 5, #4, 25), IAU / Minor Planet Center, via NASA/JPL
Where Jiangwenhan is today
Seen from above the solar system on 2026-10-14: Jiangwenhan is 2.52 au from the Sun and 2.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23690 |
| Provisional designation | 1997 JD14 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.29 km (#7,319 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.121 |
| Rotation period | 2.86 hours |
| Absolute magnitude (H) | 13.97 |
| Orbital period | 4.06 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.51 – 2.59 au |
| Eccentricity | 0.0160 |
| Inclination | 14.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jiang
All asteroids named after someone called Jiang