(181249) Tkachenko Main-belt Asteroid
Discovered on 30 October 2005 by Andrushivka at Andrushivka.
Viktor Tkachenko (b. 1953) has been director of the Kyiv Palace of Sports. He has been a constant proponent of the idea of enhancing society through a combination of improving one's physical fitness and overall human spiritual values. He is a poet, regional specialist and organizer of many charitable events.Naming citation (20090209/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tkachenko is today
Seen from above the solar system on 2026-10-14: Tkachenko is 2.78 au from the Sun and 1.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 181249 |
| Provisional designation | 2005 UZ158 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.54 km (#13,860 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0890 |
| Rotation period | 2.19 hours |
| Absolute magnitude (H) | 15.75 |
| Orbital period | 5.32 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.77 – 3.32 au |
| Eccentricity | 0.0904 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.77 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Viktor
- (6508) Rolcik
- (7332) Ponrepo
- (7856) Viktorbykov
- (19082) Vikchernov
- (46539) Viktortikhonov
- (114027) Malanushenko
- (128622) Rudis
- (216910) Vnukov
- (583729) Tejfel
- (633570) Viktorzagainov
All asteroids named after someone called Viktor