(55874) Brlka Main-belt Asteroid
Discovered on 28 October 1997 by P. Pravec at Ondrejov.
Petr Brlka (1945-1966), a Czech amateur astronomer, was a member since 1959 and from 1963 the chairman of the Meteor Observers Group in Brno. A student of mathematics and physics in Brno University, he died in an avalanche in the Vysoke Tatry Mountains in Slovakia.Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Brlka is today
Seen from above the solar system on 2026-10-14: Brlka is 2.76 au from the Sun and 1.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55874 |
| Provisional designation | 1997 UL9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.99 km (#12,753 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.160 |
| Absolute magnitude (H) | 14.91 |
| Orbital period | 4.21 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.05 – 3.17 au |
| Eccentricity | 0.214 |
| Inclination | 14.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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