(5684) Kogo Main-belt Asteroid
Discovered on 21 October 1990 by T. Urata at Oohira.
Kogo-no-Tsubone was the lover of emperor Takakura. She is the most well-known heroine in the story of Heike. She excelled at playing Koto, the Japanese lyre, but she was ostracized from the palace and went to live in seclusion.Naming citation (19991123/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kogo is today
Seen from above the solar system on 2026-10-14: Kogo is 1.75 au from the Sun and 1.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5684 |
| Provisional designation | 1990 UB2 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 3.31 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.74 – 2.71 au |
| Eccentricity | 0.218 |
| Inclination | 5.56° |
| Closest distance between its orbit and Earth's (MOID) | 0.725 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.