(12186) Mitukurigen Main-belt Asteroid
Discovered on 12 March 1977 by Kosai, H., Hurukawa, K. at Kiso.
Born in Mimasaka, Mitukuri Genpo (1799-1863) was a physician of Western medicine in the late Edo period. In Edo he was appointed an interpreter in the Tokugawa shogunate's Office of Astronomy.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mitukurigen is today
Seen from above the solar system on 2026-10-14: Mitukurigen is 3.02 au from the Sun and 3.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12186 |
| Provisional designation | 1977 ER5 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 11.2 hours |
| Absolute magnitude (H) | 13.77 |
| Orbital period | 4.94 years |
| Semi-major axis | 2.90 au |
| Perihelion – aphelion | 2.72 – 3.09 au |
| Eccentricity | 0.0632 |
| Inclination | 0.812° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 12 March 1977
- (3319) Kibi
- (4272) Entsuji
- (5454) Kojiki
- (6218) Mizushima
- (10009) Hirosetanso
- (14315) Ogawamachi
- (14316) Higashichichibu
- (14795) Syoyou
- (15202) Yamada-Houkoku
- (15671) Suzannedebarbat
- (15672) Sato-Norio
- (19917) Dazaifu