137221 1999 RX

Main-belt minor planet

Designation: (137221) 1999 RX
Class: Main-belt
Semi-major axis: 2.2916333 AU
Eccentricity: 0.1657431
Inclination: 3.57984°
Absolute magnitude (H): 16.32
Perihelion: 1.912 AU
Aphelion: 2.671 AU