(6661) Ikemura Main-belt Asteroid
Discovered on 17 January 1993 by Mizuno, Y., Furuta, T. at Kani.
Toshihiro Ikemura (b. 1952) is a Japanese communications technician and amateur astronomer. He was a codiscoverer of comet 76P/West-Kohoutek-Ikemura on 1975 Mar. 1. He has also endeavored to observe the planets photographically and independently made a map of Mars that is used by many observers.Naming citation (20011101/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ikemura is today
Seen from above the solar system on 2026-10-14: Ikemura is 2.73 au from the Sun and 3.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6661 |
| Provisional designation | 1993 BO |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.3 km (#4,434 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0450 |
| Absolute magnitude (H) | 13.91 |
| Orbital period | 3.66 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.97 – 2.78 au |
| Eccentricity | 0.172 |
| Inclination | 2.70° |
| Closest distance between its orbit and Earth's (MOID) | 0.973 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Toshihiro
All asteroids named after someone called Toshihiro