307640 2003 SM121
Main-belt minor planet
- Designation
- (307640) 2003 SM121
- Class
- Main-belt
- Semi-major axis
- 2.8115364 AU
- Eccentricity
- 0.198375
- Inclination
- 3.63184°
- Absolute magnitude (H)
- 17.02
- Perihelion
- 2.254 AU
- Aphelion
- 3.369 AU
Main-belt minor planet