121723 1999 XL139
Main-belt minor planet
- Designation
- (121723) 1999 XL139
- Class
- Main-belt
- Semi-major axis
- 3.1931331 AU
- Eccentricity
- 0.1255845
- Inclination
- 5.80331°
- Absolute magnitude (H)
- 15.41
- Perihelion
- 2.792 AU
- Aphelion
- 3.594 AU
Main-belt minor planet