(210210) Songjian Main-belt Asteroid
Discovered on 16 August 2007 by PMO NEO Survey Program at XuYi.
Song Jian (b. 1931), an academician of the Chinese Academy of Sciences and an academician of Chinese Academy of Engineering, is a notable scientist in the area of control theory. He has made significant contributions to the development of science and technology in China.Naming citation (MPC batch dated 2014-10-08), IAU / Minor Planet Center, via NASA/JPL
Where Songjian is today
Seen from above the solar system on 2026-10-14: Songjian is 1.98 au from the Sun and 2.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 210210 |
| Provisional designation | 2007 QS12 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.04 |
| Orbital period | 3.24 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.80 – 2.58 au |
| Eccentricity | 0.179 |
| Inclination | 2.67° |
| Closest distance between its orbit and Earth's (MOID) | 0.793 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 August 2007
- (204836) Xiexiaosi
- (204839) Suzhouyuanlin
- (207681) Caiqiao
- (293707) Govoradloanatoly
- (304813) Cesarina
- (309227) Tsukiko
- (470324) Debbanci