(20497) Marenka Main-belt Asteroid
Discovered on 4 September 1999 by L. Sarounova at Ondrejov.
Mařenka is the nickname of the main soprano character in Smetana's The Bartered Bride. Jeníček (Jeník) and Mařenka are also known as the main characters in the Czech version of the fairy tale Hansel and Gretel.Naming citation (20040928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Marenka is today
Seen from above the solar system on 2026-10-14: Marenka is 3.31 au from the Sun and 3.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20497 |
| Provisional designation | 1999 RS |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.73 |
| Orbital period | 5.66 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 3.02 – 3.33 au |
| Eccentricity | 0.0496 |
| Inclination | 9.76° |
| Closest distance between its orbit and Earth's (MOID) | 2.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 September 1999
- (12574) LONEOS
- (12575) Palmaria
- (20500) Avner
- (20607) Vernazza
- (21664) Konradzuse
- (21684) Alinafiocca
- (23990) Springsteen
- (40410) Prihoda
- (40457) Williamkuhn
- (59970) Morate
- (66479) Healy
- (70207) Davidunlap
More named asteroids discovered by L. Sarounova
- (7670) Kabelac
- (7897) Bohuska
- (8557) Saroun
- (9449) Petrbondy
- (9671) Hemera
- (10215) Lavilledemirmont
- (10626) Zajic
- (10634) Pepibican
- (10919) Pepikzicha
- (11101) Ceskafilharmonie
- (11201) Talich
- (11325) Slavicky
← (20496) Jenik · (20500) Avner →