639658 2017 HR9

Main-belt minor planet

Designation: (639658) 2017 HR9
Class: Main-belt
Semi-major axis: 2.7726604 AU
Eccentricity: 0.0544452
Inclination: 5.24309°
Absolute magnitude (H): 17.27
Perihelion: 2.622 AU
Aphelion: 2.924 AU