(42191) Thurmann Main-belt Asteroid
Discovered on 14 February 2001 by M. Ory at Vicques.
The Swiss geologist and naturalist Jules Thurmann (1804-1855), resident in Porrentruy, first explained the formation of the Jura mountains. With other intellectuals he founded the Société jurassienne d´émulation for the promotion of science.Naming citation (WGSBN Bull. 4, #14, 4), IAU / Minor Planet Center, via NASA/JPL
Where Thurmann is today
Seen from above the solar system on 2026-10-14: Thurmann is 3.03 au from the Sun and 3.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 42191 |
| Provisional designation | 2001 CJ37 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.38 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.09 – 3.13 au |
| Eccentricity | 0.199 |
| Inclination | 8.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jules
All asteroids named after someone called Jules