(14551) Itagaki Main-belt Asteroid
Discovered on 22 October 1997 by T. Okuni at Nanyo.
Koichi Itagaki (b. 1947), a confectionery manufacturing industry president, is also an amateur astronomer in Yamagata. He is credited with the discovery of supernovae 2001bq and 2001gd.Naming citation (20020128/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Itagaki is today
Seen from above the solar system on 2026-10-14: Itagaki is 3.33 au from the Sun and 3.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 14551 |
| Provisional designation | 1997 UN8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.4 km (#4,901 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Rotation period | 5.95 hours |
| Absolute magnitude (H) | 13.61 |
| Orbital period | 4.57 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.15 – 3.35 au |
| Eccentricity | 0.218 |
| Inclination | 7.06° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.