(18841) Hruska Main-belt Asteroid
Discovered on 6 September 1999 by Ticha, J., Tichy, M. at Klet.
As a consequence of difficult experiences in his life, Luboš Hruška (b. 1927) turned his family orchard in Plzeň into a wonderful garden of meditation as a memorial to the victims of evil.Naming citation (20010705/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hruska is today
Seen from above the solar system on 2026-10-14: Hruska is 2.76 au from the Sun and 3.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18841 |
| Provisional designation | 1999 RL3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.25 km (#7,360 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.212 |
| Absolute magnitude (H) | 13.22 |
| Orbital period | 4.16 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.38 – 2.79 au |
| Eccentricity | 0.0791 |
| Inclination | 15.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.44 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.