(39930) Kalauch Main-belt Asteroid
Discovered on 24 March 1998 by G. Lehmann at Drebach.
While still a student, Klaus-Dieter Kalauch (b. 1958), amateur astronomer and teacher of astronomy, understood how to inspire his friends with the beauty of the sky. Without his influence, the discoverer would never have become interested in observing minor planets.Naming citation (20080520/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kalauch is today
Seen from above the solar system on 2026-10-14: Kalauch is 2.46 au from the Sun and 1.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 39930 |
| Provisional designation | 1998 FR74 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.47 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.03 – 2.75 au |
| Eccentricity | 0.152 |
| Inclination | 1.60° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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