(19769) Dolyniuk Main-belt Asteroid
Discovered on 23 July 2000 by LINEAR at Socorro.
William Dolyniuk mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. He teaches at the Woodside Elementary School, Woodside, California.Naming citation (20031010/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Dolyniuk is today
Seen from above the solar system on 2026-10-14: Dolyniuk is 2.26 au from the Sun and 2.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19769 |
| Provisional designation | 2000 OP18 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.53 km (#13,885 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.296 |
| Absolute magnitude (H) | 14.54 |
| Orbital period | 3.81 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.95 – 2.92 au |
| Eccentricity | 0.199 |
| Inclination | 2.06° |
| Closest distance between its orbit and Earth's (MOID) | 0.942 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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