257730 1999 XM259
Main-belt minor planet
- Designation
- (257730) 1999 XM259
- Class
- Main-belt
- Semi-major axis
- 3.123104 AU
- Eccentricity
- 0.2420055
- Inclination
- 15.47456°
- Absolute magnitude (H)
- 15.68
- Perihelion
- 2.367 AU
- Aphelion
- 3.879 AU
Main-belt minor planet