215633 2003 ST321
Main-belt minor planet
- Designation
- (215633) 2003 ST321
- Class
- Main-belt
- Semi-major axis
- 2.3454323 AU
- Eccentricity
- 0.0956893
- Inclination
- 6.09857°
- Absolute magnitude (H)
- 16.9
- Perihelion
- 2.121 AU
- Aphelion
- 2.570 AU
Main-belt minor planet