621638 2009 SM390
Main-belt minor planet
- Designation
- (621638) 2009 SM390
- Class
- Main-belt
- Semi-major axis
- 2.3789853 AU
- Eccentricity
- 0.2134596
- Inclination
- 1.59028°
- Absolute magnitude (H)
- 18.92
- Perihelion
- 1.871 AU
- Aphelion
- 2.887 AU
Main-belt minor planet