(264033) Boris-Mikhail Main-belt Asteroid
Discovered on 26 August 2009 by F. Fratev at Plana.
Boris I (832-907), also known as Boris-Mikhail, was the ruler of the First Bulgarian Empire in 852-889. At the time of his baptism in 864, Boris adopted Christianity in Bulgaria and added Mikhail to his name after his godfather, Byzantine Emperor Michael III.Naming citation (MPC batch dated 2016-02-22), IAU / Minor Planet Center, via NASA/JPL
Where Boris-Mikhail is today
Seen from above the solar system on 2026-10-14: Boris-Mikhail is 2.72 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 264033 |
| Provisional designation | 2009 QS33 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.62 |
| Orbital period | 4.51 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.64 – 2.82 au |
| Eccentricity | 0.0339 |
| Inclination | 6.70° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.