857904 2012 TN257
Main-belt minor planet
- Designation
- (857904) 2012 TN257
- Class
- Main-belt
- Semi-major axis
- 2.6478119 AU
- Eccentricity
- 0.2130462
- Inclination
- 3.2226°
- Absolute magnitude (H)
- 17.86
- Perihelion
- 2.084 AU
- Aphelion
- 3.212 AU
Main-belt minor planet