639245 2017 AR21
Main-belt minor planet
- Designation
- (639245) 2017 AR21
- Class
- Main-belt
- Semi-major axis
- 2.6739041 AU
- Eccentricity
- 0.0818646
- Inclination
- 13.63947°
- Absolute magnitude (H)
- 17.33
- Perihelion
- 2.455 AU
- Aphelion
- 2.893 AU
Main-belt minor planet