(19789) Susanjohnson Main-belt Asteroid
Discovered on 24 August 2000 by LINEAR at Socorro.
Susan Johnson mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Moore Middle School, Redlands, California.Naming citation (20031010/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Susanjohnson is today
Seen from above the solar system on 2026-10-14: Susanjohnson is 2.38 au from the Sun and 3.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19789 |
| Provisional designation | 2000 QP149 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.13 km (#14,883 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.376 |
| Absolute magnitude (H) | 14.6 |
| Orbital period | 3.39 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.91 – 2.61 au |
| Eccentricity | 0.157 |
| Inclination | 5.49° |
| Closest distance between its orbit and Earth's (MOID) | 0.904 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Susan
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