21856 Heathermaria
Main-belt minor planet
- Designation
- (21856) Heathermaria
- Class
- Main-belt
- Semi-major axis
- 2.2121968 AU
- Eccentricity
- 0.1595545
- Inclination
- 5.44726°
- Absolute magnitude (H)
- 15.55
- Perihelion
- 1.859 AU
- Aphelion
- 2.565 AU
Main-belt minor planet