(12909) Jaclifford Main-belt Asteroid
Discovered on 17 September 1998 by LONEOS at Anderson Mesa.
Jack Clifford (b. 1933), of Scottsdale, Arizona, is a pioneering cable television entrepreneur, avid amateur astronomer and a major contributor to numerous science and educational institutions. He has been of great service on the Lowell Trustee's Advisory Board, particularly in fund raising.Naming citation (20020724/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jaclifford is today
Seen from above the solar system on 2026-10-14: Jaclifford is 2.84 au from the Sun and 2.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12909 |
| Provisional designation | 1998 SK58 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.63 |
| Orbital period | 4.10 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.28 – 2.84 au |
| Eccentricity | 0.109 |
| Inclination | 2.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.30 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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