(10611) Yanjici Main-belt Asteroid
Discovered on 23 January 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Yan Jici (1901-1996) was a renowned physical scientist and educator, and a member of the Chinese Academy of Sciences. He was one of the Chinese pioneers of physics research, one of the founders of optical instrument development and was President of the University of Science and Technology of China from 1980 to 1984.Naming citation (20110615/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yanjici is today
Seen from above the solar system on 2026-10-14: Yanjici is 3.33 au from the Sun and 3.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10611 |
| Provisional designation | 1997 BB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.3 km (#2,612 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.123 |
| Rotation period | 13.6 hours |
| Absolute magnitude (H) | 12.24 |
| Orbital period | 5.72 years |
| Semi-major axis | 3.20 au |
| Perihelion – aphelion | 2.96 – 3.44 au |
| Eccentricity | 0.0743 |
| Inclination | 11.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.95 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Yan
All asteroids named after someone called Yan