(18944) Sawilliams Main-belt Asteroid
Discovered on 28 August 2000 by LINEAR at Socorro.
Stephanie Alexandra Williams (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Pacific Collegiate School, Santa Cruz, California, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sawilliams is today
Seen from above the solar system on 2026-10-14: Sawilliams is 2.89 au from the Sun and 3.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18944 |
| Provisional designation | 2000 QG61 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.12 |
| Orbital period | 5.38 years |
| Semi-major axis | 3.07 au |
| Perihelion – aphelion | 2.76 – 3.38 au |
| Eccentricity | 0.100 |
| Inclination | 3.46° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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