(18843) Ningzhou Main-belt Asteroid
Discovered on 7 September 1999 by LINEAR at Socorro.
Ning Zhou (b. 1987) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He was also awarded third place in the 2003 Intel International Science and Engineering Fair for his medicine and health project. He attends the Wayzata High School, Plymouth, Minnesota.Naming citation (20040415/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ningzhou is today
Seen from above the solar system on 2026-10-14: Ningzhou is 2.53 au from the Sun and 2.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18843 |
| Provisional designation | 1999 RK22 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.37 |
| Orbital period | 5.19 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.48 – 3.52 au |
| Eccentricity | 0.175 |
| Inclination | 1.49° |
| Closest distance between its orbit and Earth's (MOID) | 1.49 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ning
All asteroids named after someone called Ning
Also discovered on 7 September 1999
- (12126) Chersidamas
- (12577) Samra
- (12578) Bensaur
- (12585) Katschwarz
- (12586) Juliaspeyer
- (12588) Arseneau
- (12604) Lisatate
- (12924) Madisonicole
- (13818) Ullery
- (14214) Hirsch
- (15503) Estradioto
- (16067) Brandonfan