(10178) Iriki Main-belt Asteroid
Discovered on 18 February 1996 by T. Kobayashi at Oizumi.
Iriki is a historical town in the Satuma area, Kagoshima prefecture. Here on the Mt. Yaeyama highland are the National Astronomical Observatory's Iriki Station of VERA (VLBI Exploration of Radio Astrometry), as well as the Kagoshima University's 1-m optical-infrared telescope.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Iriki is today
Seen from above the solar system on 2026-10-14: Iriki is 2.19 au from the Sun and 1.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10178 |
| Provisional designation | 1996 DD |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.18 km (#14,761 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.231 |
| Absolute magnitude (H) | 14.97 |
| Orbital period | 3.24 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 2.18 – 2.19 au |
| Eccentricity | 0.00199 |
| Inclination | 2.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.