(12326) Shirasaki Main-belt Asteroid
Discovered on 21 September 1992 by Endate, K., Watanabe, K. at Kitami.
Shuichi Shirasaki (b. 1958), an anesthesiologist in Sapporo city, was the finalist in the selection of a Japanese astronaut candidate by the National Space Development Agency of Japan in 1999.Naming citation (20080618/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Shirasaki is today
Seen from above the solar system on 2026-10-14: Shirasaki is 1.85 au from the Sun and 0.940 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12326 |
| Provisional designation | 1992 SF |
| Orbit class | Main-belt Asteroid |
| Rotation period | 2.73 hours |
| Absolute magnitude (H) | 14.83 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.84 – 2.69 au |
| Eccentricity | 0.187 |
| Inclination | 5.83° |
| Closest distance between its orbit and Earth's (MOID) | 0.842 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 21 September 1992
- (5835) Mainfranken
- (5975) Otakemayumi
- (8381) Hauptmann
- (10116) Robertfranz
- (12327) Terbruggen
- (13093) Wolfgangpauli
- (14441) Atakanoseki
- (14901) Hidatakayama
- (15301) Marutesser
- (15762) Ruhmann
- (16587) Nagamori
- (16590) Brunowalter