(13529) Yokaboshi Main-belt Asteroid
Discovered on 1 September 1991 by T. Seki at Geisei.
Yokaboshi is a local astronomical group established at Baloon Yoka Astronomical Observatory in 1992 in collaboration with the local government. Equipped with a 0.4-m reflector, the group continues to popularize astronomy and educate the public. The name was suggested by H. Kosai.Naming citation (20120207/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yokaboshi is today
Seen from above the solar system on 2026-10-14: Yokaboshi is 2.05 au from the Sun and 2.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13529 |
| Provisional designation | 1991 RE1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.94 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 2.03 – 2.46 au |
| Eccentricity | 0.0963 |
| Inclination | 4.36° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.