(7485) Changchun Main-belt Asteroid
Discovered on 4 December 1994 by M. Koishikawa at Ayashi.
Named after the city in China, Changchun is the international sister city of Sendai, Japan, affiliated since 1980. Changchun is the capital of the Kitsurin province and the center of political and economical activities of the province.Naming citation (19990202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Changchun is today
Seen from above the solar system on 2026-10-14: Changchun is 3.26 au from the Sun and 3.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7485 |
| Provisional designation | 1994 XO |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.8 km (#4,683 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.317 |
| Rotation period | 10.2 hours |
| Absolute magnitude (H) | 12.16 |
| Orbital period | 4.84 years |
| Semi-major axis | 2.86 au |
| Perihelion – aphelion | 2.30 – 3.42 au |
| Eccentricity | 0.197 |
| Inclination | 13.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.