(18568) Thuillot Main-belt Asteroid
Discovered on 3 October 1997 by ODAS at Caussols.
William Thuillot (b. 1951) works at the Institut de Mécanique Céleste on the theory of the motions of Jupiter's Galilean satellites, including analysis of observations of eclipses by the planet and mutual phenomena. He has also been active observing stellar occultations by minor planets.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Thuillot is today
Seen from above the solar system on 2026-10-14: Thuillot is 3.15 au from the Sun and 3.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18568 |
| Provisional designation | 1997 TL2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.6 km (#2,772 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0850 |
| Absolute magnitude (H) | 12.95 |
| Orbital period | 5.55 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.93 – 3.34 au |
| Eccentricity | 0.0644 |
| Inclination | 21.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.94 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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