(551212) Mathieuudriot Main-belt Asteroid
Discovered on 21 December 2012 by S. Hellmich at Calar Alto.
Mathieu Udriot (b. 1996) is a Swiss engineer specializing in space technologies. He is committed to making space activities more sustainable by developing tools to perform life-cycle assessment for launch vehicles and to evaluate different technologies for space transportation systems in order to optimize space missions.Naming citation (WGSBN Bull. 5, #23, 11), IAU / Minor Planet Center, via NASA/JPL
Where Mathieuudriot is today
Seen from above the solar system on 2026-10-14: Mathieuudriot is 3.67 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 551212 |
| Provisional designation | 2012 YL6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.52 |
| Orbital period | 5.30 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.36 – 3.72 au |
| Eccentricity | 0.225 |
| Inclination | 16.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.38 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.