21539 Josefhlavka
Main-belt minor planet
- Designation
- (21539) Josefhlavka
- Class
- Main-belt
- Semi-major axis
- 3.1800405 AU
- Eccentricity
- 0.0230157
- Inclination
- 13.18096°
- Absolute magnitude (H)
- 13.72
- Perihelion
- 3.107 AU
- Aphelion
- 3.253 AU
Main-belt minor planet