189915 2003 SM138

Main-belt minor planet

Designation: (189915) 2003 SM138
Class: Main-belt
Semi-major axis: 3.1032107 AU
Eccentricity: 0.0807357
Inclination: 8.48714°
Absolute magnitude (H): 15
Perihelion: 2.853 AU
Aphelion: 3.354 AU