(20180) Annakoleny Main-belt Asteroid
Discovered on 27 December 1996 by Galad, A., Pravda, A. at Modra.
Anna Kolény took part in the birth of Slovak sovereignty in the nineteenth century. The first session of the Slovak National Council was held in 1848 in her house in Myjava. This house became a cultural site in 1970, with the exposition of Slovak National Council's Museum.Naming citation (20100330/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Annakoleny is today
Seen from above the solar system on 2026-10-14: Annakoleny is 2.39 au from the Sun and 1.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20180 |
| Provisional designation | 1996 YG1 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 24.3 hours |
| Absolute magnitude (H) | 14.68 |
| Orbital period | 3.91 years |
| Semi-major axis | 2.48 au |
| Perihelion – aphelion | 2.17 – 2.79 au |
| Eccentricity | 0.125 |
| Inclination | 12.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Anna
- (9823) Annantalova
- (10471) Marciniak
- (10784) Noailles
- (11299) Annafreud
- (13895) Letkasagjonica
- (15014) Annagekker
- (15753) Rathsman
- (17921) Aldeobaldia
- (19235) van Schurman
- (21720) Pilishvili
- (22540) Mork
- (24930) Annajamison
All asteroids named after someone called Anna