(7023) Heiankyo Main-belt Asteroid
Discovered on 25 May 1992 by A. Sugie at Dynic.
Heiankyo, meaning ‘Peaceful Capital’, is another name of Kyoto. From 794 to 1868 it was the capital of Japan, and the center of Japanese culture.Naming citation (MPC batch dated 2015-01-05), IAU / Minor Planet Center, via NASA/JPL
Where Heiankyo is today
Seen from above the solar system on 2026-10-14: Heiankyo is 2.34 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7023 |
| Provisional designation | 1992 KE |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.77 km (#9,270 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.165 |
| Rotation period | 10.8 hours |
| Absolute magnitude (H) | 13.26 |
| Orbital period | 3.85 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.12 – 2.79 au |
| Eccentricity | 0.138 |
| Inclination | 7.58° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.