(13543) Butler Main-belt Asteroid
Discovered on 2 January 1992 by Spacewatch at Kitt Peak.
John Christopher “Chris” Butler (b. 1964) is a prolific astronomical artist who has painted numerous scenes incorporating fine details and color in works like Apollo Dawn and a sense of humor reflected in such paintings as One Small Mistake for Man and Hooray for Hadleywood.Naming citation (20030318/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Butler is today
Seen from above the solar system on 2026-10-14: Butler is 2.10 au from the Sun and 3.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13543 |
| Provisional designation | 1992 AO2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.03 km (#10,557 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.230 |
| Absolute magnitude (H) | 13.98 |
| Orbital period | 3.81 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.09 – 2.79 au |
| Eccentricity | 0.144 |
| Inclination | 8.57° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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