21190 Martamaffei
Main-belt minor planet
- Designation
- (21190) Martamaffei
- Class
- Main-belt
- Semi-major axis
- 2.5362968 AU
- Eccentricity
- 0.053286
- Inclination
- 2.32328°
- Absolute magnitude (H)
- 15.21
- Perihelion
- 2.401 AU
- Aphelion
- 2.671 AU
Main-belt minor planet