(22686) Mishchenko Main-belt Asteroid
Discovered on 20 August 1998 by LONEOS at Anderson Mesa.
Michael Ivanovich Mischenko (b. 1959), of the NASA Goddard Institute for Space Studies, studies electromagnetic scattering. He has developed a new branch of statistical optics based on numerically exact solutions of Maxwell's equations.Naming citation (20090806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mishchenko is today
Seen from above the solar system on 2026-10-14: Mishchenko is 2.38 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22686 |
| Provisional designation | 1998 QL53 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.62 km (#11,392 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.361 |
| Absolute magnitude (H) | 13.73 |
| Orbital period | 4.25 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.36 – 2.88 au |
| Eccentricity | 0.0982 |
| Inclination | 13.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.37 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Michael
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