(12690) Kochimiraikagaku Main-belt Asteroid
Discovered on 5 November 1988 by T. Seki at Geisei.
Kochi-Mirai-Kagakukan (Kochi city future science museum) is to be built in the heart of the city and will open in 2017. It will be equipped with a planetarium and is expected to play a role for astronomy education for children.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Kochimiraikagaku is today
Seen from above the solar system on 2026-10-14: Kochimiraikagaku is 2.66 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12690 |
| Provisional designation | 1988 VG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.3 km (#3,078 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.149 |
| Rotation period | 147 hours |
| Absolute magnitude (H) | 12.11 |
| Orbital period | 5.22 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.65 – 3.36 au |
| Eccentricity | 0.118 |
| Inclination | 11.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.