(243491) Muhlviertel Main-belt Asteroid
Discovered on 20 October 2009 by D. Voglsam at Linz.
Muehlviertel, the northernmost of the four districts (together with Hausruckviertel, Traunviertel and Innviertel) of Upper Austria, has some good dark-sky observing sites, such as Davidschlag.Naming citation (20100923/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Muhlviertel is today
Seen from above the solar system on 2026-10-14: Muhlviertel is 2.43 au from the Sun and 2.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 243491 |
| Provisional designation | 2009 UH19 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.74 km (#15,773 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0450 |
| Absolute magnitude (H) | 17.01 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 1.88 – 2.49 au |
| Eccentricity | 0.140 |
| Inclination | 6.59° |
| Closest distance between its orbit and Earth's (MOID) | 0.871 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.