(78393) Dillon Main-belt Asteroid
Discovered on 8 August 2002 by A. Lowe at Palomar.
William G. Dillon (b. 1957) is the founder of the Fort Bend Astronomy Club's Asteroid Team, which has discovered up to 100 minor planets per year. A tireless observer, he is the AAVSO's president for 2003-2005, and received its Director's Award in 1996. His wife Elizabeth's steadfast support has made his success possible.Naming citation (20040504/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Dillon as a baby name🐶 Dillon as a dog name
Where Dillon is today
Seen from above the solar system on 2026-10-14: Dillon is 2.79 au from the Sun and 3.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 78393 |
| Provisional designation | 2002 PW165 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.88 |
| Orbital period | 4.28 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.35 – 2.93 au |
| Eccentricity | 0.110 |
| Inclination | 2.19° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called William
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