(347336) Changmeemann Main-belt Asteroid
Discovered on 18 August 2007 by PMO NEO Survey Program at XuYi.
Chang Meemann (b. 1936) is an academician of the Chinese Academy of Sciences and pioneered the study of tetrapod origin in China. Her pioneer work has revolutionized research on early vertebrate evolution.Naming citation (WGSBN Bull. 1, #1, 27), IAU / Minor Planet Center, via NASA/JPL
Where Changmeemann is today
Seen from above the solar system on 2026-10-14: Changmeemann is 3.39 au from the Sun and 4.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 347336 |
| Provisional designation | 2012 NN1 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.82 hours |
| Absolute magnitude (H) | 15.58 |
| Orbital period | 5.47 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.82 – 3.39 au |
| Eccentricity | 0.0917 |
| Inclination | 8.39° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Chang
All asteroids named after someone called Chang