(29438) Zhengjia Main-belt Asteroid
Discovered on 26 June 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
The Zhengjia museums in Guangzhou, China, are dedicated to science education in areas of nature and science. Zhengjia museums also develop astronomy education programs with National Astronomical Observatories, Chinese Academy of Sciences, for the general public to experience the beauty of astronomy.Naming citation (WGSBN Bull. 2, #3, 6), IAU / Minor Planet Center, via NASA/JPL
Where Zhengjia is today
Seen from above the solar system on 2026-10-14: Zhengjia is 2.19 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29438 |
| Provisional designation | 1997 MV |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.79 km (#17,221 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.500 |
| Rotation period | 144 hours |
| Absolute magnitude (H) | 15.52 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 2.14 – 2.33 au |
| Eccentricity | 0.0433 |
| Inclination | 8.71° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.