21639 Davidkaufman
Main-belt minor planet
- Designation
- (21639) Davidkaufman
- Class
- Main-belt
- Semi-major axis
- 2.2717321 AU
- Eccentricity
- 0.1167185
- Inclination
- 5.82559°
- Absolute magnitude (H)
- 14.2
- Perihelion
- 2.007 AU
- Aphelion
- 2.537 AU
Main-belt minor planet