(21456) Myers Main-belt Asteroid
Discovered on 20 April 1998 by LINEAR at Socorro.
Robert Myers mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Manzano High School, Albuquerque, New Mexico.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Myers is today
Seen from above the solar system on 2026-10-14: Myers is 2.28 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21456 |
| Provisional designation | 1998 HM46 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.8 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.90 – 2.66 au |
| Eccentricity | 0.165 |
| Inclination | 2.23° |
| Closest distance between its orbit and Earth's (MOID) | 0.892 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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