31657 1999 HN8

Main-belt minor planet

Designation: (31657) 1999 HN8
Class: Main-belt
Semi-major axis: 2.3225627 AU
Eccentricity: 0.0838632
Inclination: 6.88613°
Absolute magnitude (H): 14
Perihelion: 2.128 AU
Aphelion: 2.517 AU