(9206) Yanaikeizo Main-belt Asteroid
Discovered on 1 September 1994 by Endate, K., Watanabe, K. at Kitami.
Keizo Yanai (b. 1941), once a researcher at the Japanese National Institute of Polar Research, is now a professor at Iwate University. An aggressive meteorite investigator who has been visiting the South Pole since 1967, he is also a curator of meteorites for public display.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yanaikeizo is today
Seen from above the solar system on 2026-10-14: Yanaikeizo is 2.17 au from the Sun and 1.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9206 |
| Provisional designation | 1994 RQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.38 km (#14,266 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.357 |
| Absolute magnitude (H) | 14.29 |
| Orbital period | 3.92 years |
| Semi-major axis | 2.49 au |
| Perihelion – aphelion | 1.95 – 3.03 au |
| Eccentricity | 0.217 |
| Inclination | 1.81° |
| Closest distance between its orbit and Earth's (MOID) | 0.950 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.