2017 SM257

Main-belt minor planet

Designation: 2017 SM257
Class: Main-belt
Semi-major axis: 2.1932658 AU
Eccentricity: 0.2096255
Inclination: 4.07538°
Absolute magnitude (H): 19.6
Perihelion: 1.734 AU
Aphelion: 2.653 AU