(457743) Balklavs Main-belt Asteroid
Discovered on 18 April 2009 by Cernis, K., Eglitis, I. at Baldone.
Latvian radio astronomer Arturs Balklavs (1933–2005) was Director of the Radioastrophysical Observatory, Latvian Academy of Sciences, and Editor-in-Chief of the magazine Zvaigžņotā Debess (The Starry Sky). An outstanding promoter of science, a Prize of the Latvian Academy of Sciences is named after him.Naming citation (WGSBN Bull. 6, #7, 6), IAU / Minor Planet Center, via NASA/JPL
Where Balklavs is today
Seen from above the solar system on 2026-10-14: Balklavs is 2.48 au from the Sun and 1.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 457743 |
| Provisional designation | 2009 HW20 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.22 |
| Orbital period | 3.77 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.14 – 2.70 au |
| Eccentricity | 0.115 |
| Inclination | 3.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.