(545565) Borysten Main-belt Asteroid
Discovered on 27 August 2011 by Ivashchenko, Y., Kyrylenko, P. at Andrushivka.
Mykola Khomychevsky (1897–1983), a priest by education, known by his pen-name Borys Ten, was a Ukrainian writer, poet, composer and translator. Among his works, the most important are the Ukrainian translations of Homer's Odyssey and Iliad.Naming citation (WGSBN Bull. 2, #1, 9), IAU / Minor Planet Center, via NASA/JPL
Where Borysten is today
Seen from above the solar system on 2026-10-14: Borysten is 3.86 au from the Sun and 4.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 545565 |
| Provisional designation | 2011 QZ50 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.23 |
| Orbital period | 5.68 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.43 – 3.93 au |
| Eccentricity | 0.235 |
| Inclination | 16.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.