(85389) Rosenauer Main-belt Asteroid
Discovered on 22 August 1996 by Ticha, J., Tichy, M. at Klet.
Josef Rosenauer (1735-1804) was the designer and master-builder of the Schwarzenbergs' Canal for floating timber from the Šumava mountains to Vienna. Finished in 1793, this waterway connected the Vltava and the Danube, two rivers that flow into different seas.Naming citation (20050125/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rosenauer is today
Seen from above the solar system on 2026-10-14: Rosenauer is 2.36 au from the Sun and 2.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 85389 |
| Provisional designation | 1996 QE1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.97 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.33 – 2.99 au |
| Eccentricity | 0.126 |
| Inclination | 3.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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