(8688) Delaunay Main-belt Asteroid
Discovered on 8 August 1992 by E. W. Elst at Caussols.
Charles-Eugène Delaunay (1816-1872) was a French mathematician and astronomer famous for his Théorie du mouvement de la lune, 1860-1867. Made a member of the Académie des Sciences in 1855, he succeeded Leverrier as director of the Paris Observatory in 1870.Naming citation (20021120/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Delaunay is today
Seen from above the solar system on 2026-10-14: Delaunay is 1.89 au from the Sun and 1.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8688 |
| Provisional designation | 1992 PV1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.54 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.88 – 2.67 au |
| Eccentricity | 0.175 |
| Inclination | 4.45° |
| Closest distance between its orbit and Earth's (MOID) | 0.863 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Eugene
Also discovered on 8 August 1992
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