(8428) Okiko Main-belt Asteroid
Discovered on 3 November 1997 by T. Seki at Geisei.
Kochi native Okiko Seki (b. 1941), wife of the discoverer, has many hobbies, including yoga, dance and handicraft.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Okiko is today
Seen from above the solar system on 2026-10-14: Okiko is 2.26 au from the Sun and 1.39 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8428 |
| Provisional designation | 1997 VJ8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.23 km (#14,652 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.467 |
| Absolute magnitude (H) | 14.27 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.94 – 2.81 au |
| Eccentricity | 0.182 |
| Inclination | 1.58° |
| Closest distance between its orbit and Earth's (MOID) | 0.960 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.