(23408) Beijingaoyun Main-belt Asteroid
Discovered on 12 October 1977 by Purple Mountain Observatory at Nanking.
The Games of the XXIXth Olympiad, celebrated in Beijing during 2008 Aug. 8-24, have the slogan “One World, One Dream”.Naming citation (20080819/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Beijingaoyun is today
Seen from above the solar system on 2026-10-14: Beijingaoyun is 2.98 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23408 |
| Provisional designation | 1977 TU3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.5 km (#2,777 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Absolute magnitude (H) | 12.76 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.47 – 3.64 au |
| Eccentricity | 0.192 |
| Inclination | 14.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.