21520 Dianaeheart
Main-belt minor planet
- Designation
- (21520) Dianaeheart
- Class
- Main-belt
- Semi-major axis
- 2.9710719 AU
- Eccentricity
- 0.0436257
- Inclination
- 9.23434°
- Absolute magnitude (H)
- 14.12
- Perihelion
- 2.841 AU
- Aphelion
- 3.101 AU
Main-belt minor planet