(22157) Bryanhoran Main-belt Asteroid
Discovered on 21 November 2000 by LINEAR at Socorro.
Bryan Horan mentored a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Northport Middle School, Northport, New York.Naming citation (20051019/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bryanhoran is today
Seen from above the solar system on 2026-10-14: Bryanhoran is 3.50 au from the Sun and 2.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22157 |
| Provisional designation | 2000 WQ99 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.53 km (#6,133 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0420 |
| Absolute magnitude (H) | 14.22 |
| Orbital period | 5.52 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.74 – 3.50 au |
| Eccentricity | 0.121 |
| Inclination | 0.421° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Bryan
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All asteroids named after someone called Bryan
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