(12687) de Valory Main-belt Asteroid
Discovered on 17 December 1987 by Elst, E. W., Pizarro, G. at La Silla.
Guy Louis Henri, Marquis de Valory (1692–1774) was a French aristocrat, well known from his friendship with Voltaire. He became an ambassador for the Prussian King Frederic II.Naming citation (WGSBN Bull. 5, #21, 5), IAU / Minor Planet Center, via NASA/JPL
Where de Valory is today
Seen from above the solar system on 2026-10-14: de Valory is 2.87 au from the Sun and 3.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12687 |
| Provisional designation | 1987 YS1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.25 |
| Orbital period | 4.09 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.24 – 2.87 au |
| Eccentricity | 0.123 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.29 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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