(6217) Kodai Main-belt Asteroid
Discovered on 1 December 1975 by Torres, C., Barros, S. at Cerro El Roble.
Kodai Fukushima (b. 1991) is a founder of the student club Libertyer. He made the original proposal of the chosen names “Libertas” and “Fortitudo” for the host star ξ Aquilae and its exoplanet ξ Aquilae b in the IAU's NameExoWorlds contest.Naming citation (MPC batch dated 2017-01-12), IAU / Minor Planet Center, via NASA/JPL
Where Kodai is today
Seen from above the solar system on 2026-10-14: Kodai is 2.85 au from the Sun and 3.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6217 |
| Provisional designation | 1975 XH |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.28 km (#6,318 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0620 |
| Rotation period | 3.61 hours |
| Absolute magnitude (H) | 14.54 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 1.90 – 2.93 au |
| Eccentricity | 0.213 |
| Inclination | 10.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.930 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.