(425509) Valyavin Main-belt Asteroid
Discovered on 7 May 2010 by B. Satovski T. V. Kryachko at Zelenchukskaya.
Gennady Valyavin (b. 1965) is a Russian astrophysicist and the director of the Special Astrophysical Observatory. He is a specialist in the fields of spectroscopy, exoplanet research, and stellar magnetic fields. Gennady is a designer of stellar spectrographs.Naming citation (WGSBN Bull. 5, #23, 10), IAU / Minor Planet Center, via NASA/JPL
Where Valyavin is today
Seen from above the solar system on 2026-10-14: Valyavin is 2.94 au from the Sun and 3.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 425509 |
| Provisional designation | 2010 JM34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.33 km (#11,996 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0860 |
| Absolute magnitude (H) | 16.08 |
| Orbital period | 5.71 years |
| Semi-major axis | 3.20 au |
| Perihelion – aphelion | 2.94 – 3.45 au |
| Eccentricity | 0.0795 |
| Inclination | 17.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.95 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gennady
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