(27284) Billdunbar Main-belt Asteroid
Discovered on 4 January 2000 by LINEAR at Socorro.
Bill Dunbar mentored a finalist in the 2011 Intel Science Talent Search (STS), a science competition for high-school seniors. He teaches at the Henry M. Gunn Senior High School, Palo Alto, California, U.S.A.Naming citation (20110319/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Billdunbar is today
Seen from above the solar system on 2026-10-14: Billdunbar is 2.23 au from the Sun and 2.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27284 |
| Provisional designation | 2000 AJ97 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.7 |
| Orbital period | 3.83 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.10 – 2.80 au |
| Eccentricity | 0.144 |
| Inclination | 3.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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