21392 Helibrochier
Main-belt minor planet
- Designation
- (21392) Helibrochier
- Class
- Main-belt
- Semi-major axis
- 2.2804408 AU
- Eccentricity
- 0.1072504
- Inclination
- 6.32987°
- Absolute magnitude (H)
- 15.13
- Perihelion
- 2.036 AU
- Aphelion
- 2.525 AU
Main-belt minor planet