257285 2009 HV21
Main-belt minor planet
- Designation
- (257285) 2009 HV21
- Class
- Main-belt
- Semi-major axis
- 2.4469578 AU
- Eccentricity
- 0.2098783
- Inclination
- 11.07864°
- Absolute magnitude (H)
- 17.08
- Perihelion
- 1.933 AU
- Aphelion
- 2.961 AU
Main-belt minor planet