(8425) Zirankexuejijin Main-belt Asteroid
Discovered on 14 February 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
The concatenation Zi Ran, Ke Xue, Ji Jin, or “Nature”, “Science”, “Fund”, is derived from Guo Jia Zi Ran Ke Xue Ji Jin Wei Yuan Hui, “The National Science Foundation of China”, which is celebrating its fifteenth anniversary. The Foundation provides support for the Xinglong program.Naming citation (20010902/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Zirankexuejijin is today
Seen from above the solar system on 2026-10-14: Zirankexuejijin is 2.37 au from the Sun and 1.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8425 |
| Provisional designation | 1997 CJ29 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.40 km (#11,843 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.276 |
| Rotation period | 4.01 hours |
| Absolute magnitude (H) | 14.1 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 2.11 – 2.41 au |
| Eccentricity | 0.0660 |
| Inclination | 3.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.