18457 Syoheiyamamoto
Main-belt minor planet
- Designation
- (18457) Syoheiyamamoto
- Class
- Main-belt
- Semi-major axis
- 2.2850853 AU
- Eccentricity
- 0.1480361
- Inclination
- 0.56963°
- Absolute magnitude (H)
- 14.4
- Perihelion
- 1.947 AU
- Aphelion
- 2.623 AU
Main-belt minor planet