18342 1989 ST9

Main-belt minor planet

Designation: (18342) 1989 ST9
Class: Main-belt
Semi-major axis: 2.3506111 AU
Eccentricity: 0.2349429
Inclination: 2.2711°
Absolute magnitude (H): 16.04
Perihelion: 1.798 AU
Aphelion: 2.903 AU