(7287) Yokokurayama Main-belt Asteroid
Discovered on 10 November 1990 by T. Seki at Geisei.
Named for a mountain in Kochi prefecture that is a treasure house of rare plants. A museum was built on its summit in 1997.Naming citation (19980808/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yokokurayama is today
Seen from above the solar system on 2026-10-14: Yokokurayama is 2.55 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7287 |
| Provisional designation | 1990 VN2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.7 km (#3,491 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0540 |
| Absolute magnitude (H) | 13.56 |
| Orbital period | 4.98 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 2.19 – 3.64 au |
| Eccentricity | 0.248 |
| Inclination | 14.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.