(121007) Jiaxingnanhu Mars-crossing Asteroid
Discovered on 10 January 1999 by Beijing Schmidt CCD Asteroid Program at Xinglong.
“Jiaxing nanhu”are the Chinese characters for “South Lake of Jiaxing City”. South Lake is one of the three most famous lakes in Zhejiang Province, and is among the most highest-rated scenic areas in China.Naming citation (WGSBN Bull. 1, #1, 21), IAU / Minor Planet Center, via NASA/JPL
Where Jiaxingnanhu is today
Seen from above the solar system on 2026-10-14: Jiaxingnanhu is 2.43 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121007 |
| Provisional designation | 1999 AT9 |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 1.38 km (#17,379 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.447 |
| Absolute magnitude (H) | 16.05 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.52 – 3.03 au |
| Eccentricity | 0.331 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.575 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 January 1999
- (13389) Stacey
- (15067) Zhuangtianshan
- (16000) Neilgehrels
- (16982) Tsinghua
- (20430) Stout
- (25316) Comnick
- (31415) Fenucci
- (47086) Shinseiko