(13406) Sekora Main-belt Asteroid
Discovered on 2 October 1999 by L. Sarounova at Ondrejov.
Ondřej Sekora (1899-1967), Czech journalist, cartoonist, illustrator and writer, is known mainly for his work for children and creation of the character of Ferda Mravenec (“Ferda the Ant”). Sekora's popular stories about the life of insects and animals are based on his exceptional knowledge of nature.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sekora is today
Seen from above the solar system on 2026-10-14: Sekora is 2.84 au from the Sun and 1.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13406 |
| Provisional designation | 1999 TA4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.64 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.28 – 3.20 au |
| Eccentricity | 0.167 |
| Inclination | 12.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 October 1999
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