639657 2017 HJ9

Main-belt minor planet

Designation: (639657) 2017 HJ9
Class: Main-belt
Semi-major axis: 3.1339441 AU
Eccentricity: 0.1066706
Inclination: 2.6731°
Absolute magnitude (H): 16.29
Perihelion: 2.800 AU
Aphelion: 3.468 AU