312540 2009 ER21

Main-belt minor planet

Designation: (312540) 2009 ER21
Class: Main-belt
Semi-major axis: 2.2612968 AU
Eccentricity: 0.150141
Inclination: 23.79969°
Absolute magnitude (H): 16.55
Perihelion: 1.922 AU
Aphelion: 2.601 AU