(27966) Changguang Main-belt Asteroid
Discovered on 16 September 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Changguang stands for the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences. It was founded in 1952 and a large number of researchers in the field of optoelectronics have been trained there. It is hailed as “the Cradle of Optics in China”.Naming citation (20120831/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Changguang is today
Seen from above the solar system on 2026-10-14: Changguang is 3.03 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27966 |
| Provisional designation | 1997 SA34 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.05 |
| Orbital period | 4.99 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 2.32 – 3.52 au |
| Eccentricity | 0.207 |
| Inclination | 9.74° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.