(13390) Bouska Main-belt Asteroid
Discovered on 18 March 1999 by Pravec, P., Wolf, M. at Ondrejov.
Jiří Bouška (b. 1925), emeritus professor of astronomy at Charles University, Prague, studied interplanetary matter and for 30 years served as the editor of the magazine Říše hvězd} (The Realm of Stars) and the Czech Astronomical Yearbook. He taught several generations of Czech astronomers, including one of the discoverers.Naming citation (WGSBN Bull. 3, #12, 6), IAU / Minor Planet Center, via NASA/JPL
Where Bouska is today
Seen from above the solar system on 2026-10-14: Bouska is 2.56 au from the Sun and 2.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13390 |
| Provisional designation | 1999 FQ3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.47 km (#7,127 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.263 |
| Rotation period | 7.76 hours |
| Absolute magnitude (H) | 12.99 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.12 – 3.04 au |
| Eccentricity | 0.178 |
| Inclination | 13.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.