(11943) Davidhartley Main-belt Asteroid
Discovered on 20 July 1993 by E. W. Elst at La Silla.
David Hartley (1705-1757) was an English physician and philosopher who attempted to explain how thought processes occur. His major work, Observations on Man, His Frame, His Duty and His Expectations, is important in the history of psychology for suggesting that body and mind function in concert.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Davidhartley is today
Seen from above the solar system on 2026-10-14: Davidhartley is 3.17 au from the Sun and 2.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11943 |
| Provisional designation | 1993 OF9 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 15.7 hours |
| Absolute magnitude (H) | 12.57 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.86 – 3.17 au |
| Eccentricity | 0.0508 |
| Inclination | 8.94° |
| Closest distance between its orbit and Earth's (MOID) | 1.86 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called David
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