(22889) Donnablaney Main-belt Asteroid
Discovered on 29 September 1999 by LINEAR at Socorro.
Donna Blaney mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Takoma Park Middle School, Silver Spring, Maryland.Naming citation (20061009/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Donnablaney is today
Seen from above the solar system on 2026-10-14: Donnablaney is 2.97 au from the Sun and 3.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22889 |
| Provisional designation | 1999 SU7 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.01 |
| Orbital period | 4.19 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.20 – 3.00 au |
| Eccentricity | 0.154 |
| Inclination | 6.72° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 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
- (20321) Lightdonovan
- (22855) Donnajones
- (23062) Donnamooney
- (26247) Doleonardi
- (30112) Weistrop
- (30241) Donnamower
- (157332) Lynette
All asteroids named after someone called Donna
Also discovered on 29 September 1999
- (19701) Aomori
- (20617) Richardgreenwood
- (20618) Daniebutler
- (21789) Frankwasser
- (21791) Mattweegman
- (21795) Masi
- (22890) Ruthaellis
- (33789) Sharmacam
- (121328) Devlynrfennell
- (121330) Colbygoodloe
- (121332) Jasonhair
- (129879) Tishasaltzman