(20321) Lightdonovan Main-belt Asteroid
Discovered on 18 April 1998 by LINEAR at Socorro.
Donna Light-Donovan mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Croton-Harmon High School, Croton-on-Hudson, New York.Naming citation (20040415/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Lightdonovan is today
Seen from above the solar system on 2026-10-14: Lightdonovan is 2.58 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20321 |
| Provisional designation | 1998 HJ19 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.6 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.04 – 2.58 au |
| Eccentricity | 0.117 |
| Inclination | 4.85° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Donna
- (13369) Youngblood
- (16222) Donnanderson
- (19806) Domatthews
- (22855) Donnajones
- (22889) Donnablaney
- (23062) Donnamooney
- (26247) Doleonardi
- (30112) Weistrop
- (30241) Donnamower
- (157332) Lynette
All asteroids named after someone called Donna
Also discovered on 18 April 1998
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