(576186) Lefebvre Main-belt Asteroid
Discovered on 20 January 2007 by K. M. Perrett D. D. Balam at Maunakea.
Michel Lefebvre (b. 1963) is a Canadian experimental particle physicist and Professor in the Department of Physics & Astronomy of the University of Victoria. His research focuses on the exploration of the laws of physics at the energy frontier through the study of proton-proton collisions.Naming citation (WGSBN Bull. 5, #28, 16), IAU / Minor Planet Center, via NASA/JPL
Where Lefebvre is today
Seen from above the solar system on 2026-10-14: Lefebvre is 2.91 au from the Sun and 2.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 576186 |
| Provisional designation | 2012 HQ38 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.34 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.09 – 3.06 au |
| Eccentricity | 0.187 |
| Inclination | 13.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Michel
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