(19806) Domatthews Main-belt Asteroid
Discovered on 20 September 2000 by LINEAR at Socorro.
Donna Matthews mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Takoma Park Middle School, Silver Spring, Maryland.Naming citation (20031010/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Domatthews is today
Seen from above the solar system on 2026-10-14: Domatthews is 1.90 au from the Sun and 1.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19806 |
| Provisional designation | 2000 SX11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.23 km (#16,727 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.563 |
| Absolute magnitude (H) | 14.83 |
| Orbital period | 3.27 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 1.86 – 2.54 au |
| Eccentricity | 0.155 |
| Inclination | 2.51° |
| Closest distance between its orbit and Earth's (MOID) | 0.848 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Donna
- (13369) Youngblood
- (16222) Donnanderson
- (20321) Lightdonovan
- (22855) Donnajones
- (22889) Donnablaney
- (23062) Donnamooney
- (26247) Doleonardi
- (30112) Weistrop
- (30241) Donnamower
- (157332) Lynette
All asteroids named after someone called Donna