(4661) Yebes Main-belt Asteroid
Discovered on 17 November 1982 by M. de Pascual at Yebes.
The village of Yebes, in the Alcarria region, is beautifully described by the Spanish Nobel laureate Camilo José Cela in one of his early books. This was the first minor planet discovered at the Centro Astronómico de Yebes, an optical and radio observatory located 70 km from Madrid.Naming citation (19991123/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yebes is today
Seen from above the solar system on 2026-10-14: Yebes is 2.82 au from the Sun and 3.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4661 |
| Provisional designation | 1982 WM |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.00 km (#8,934 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.217 |
| Absolute magnitude (H) | 13.33 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.04 – 2.82 au |
| Eccentricity | 0.160 |
| Inclination | 4.71° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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