(21461) Alexchernyak Main-belt Asteroid
Discovered on 21 April 1998 by LINEAR at Socorro.
Alexander Chernyak (b. 1988) was awarded first place in the 2006 Intel International Science and Engineering Fair for his physics team project. He attends the International Academy, Bloomfield Hills, Michigan, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alexchernyak is today
Seen from above the solar system on 2026-10-14: Alexchernyak is 2.08 au from the Sun and 1.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21461 |
| Provisional designation | 1998 HS60 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.39 |
| Orbital period | 3.28 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 2.08 – 2.34 au |
| Eccentricity | 0.0587 |
| Inclination | 2.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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