(49448) Macocha Main-belt Asteroid
Discovered on 21 December 1998 by P. Pravec at Ondrejov.
The Macocha chasm is a part of the cave system created by the lost river Punkva in the Moravian Karst. It is 168 meters deep and was formed in the early Pleistocene era. It is one of the most popular visitor sites in the Czech Republic.Naming citation (20030318/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Macocha is today
Seen from above the solar system on 2026-10-14: Macocha is 2.94 au from the Sun and 1.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 49448 |
| Provisional designation | 1998 YJ12 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.74 |
| Orbital period | 4.05 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 1.99 – 3.09 au |
| Eccentricity | 0.215 |
| Inclination | 9.35° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.