(186142) Gillespie Main-belt Asteroid
Discovered on 14 October 2001 by Sloan Digital Sky Survey at Apache Point.
Bruce Gillespie (b. 1950) is an American astronomer and a contributor to the Sloan Digital Sky Survey. He was the Apache Point Observatory Operations Site Manager and the SDSS-III and -IV Program Manager.Naming citation (WGSBN Bull. 5, #21, 6), IAU / Minor Planet Center, via NASA/JPL
Where Gillespie is today
Seen from above the solar system on 2026-10-14: Gillespie is 2.62 au from the Sun and 3.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 186142 |
| Provisional designation | 2001 TO245 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.76 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.07 – 3.50 au |
| Eccentricity | 0.257 |
| Inclination | 8.78° |
| 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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