20990 Maryannehervey
Main-belt minor planet
- Designation
- (20990) Maryannehervey
- Class
- Main-belt
- Semi-major axis
- 2.170658 AU
- Eccentricity
- 0.1425217
- Inclination
- 3.06473°
- Absolute magnitude (H)
- 15.01
- Perihelion
- 1.861 AU
- Aphelion
- 2.480 AU
Main-belt minor planet