(19499) Eugenybiryukov Main-belt Asteroid
Discovered on 27 May 1998 by LONEOS at Anderson Mesa.
Eugeny Biryukov (b. 1979) is a lecturer at South Ural State University in Chelyabinsk, Russia. As a scientist, he studies the origin of Halley-type comets. He supported a field study of the Chelyabinsk air-burst, which shattered his office windows.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Eugenybiryukov is today
Seen from above the solar system on 2026-10-14: Eugenybiryukov is 2.99 au from the Sun and 2.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19499 |
| Provisional designation | 1998 KR42 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.52 km (#11,590 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.238 |
| Absolute magnitude (H) | 14.3 |
| Orbital period | 4.50 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.45 – 3.00 au |
| Eccentricity | 0.0995 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.