Iolanda (minor planet designation: 509 Iolanda) is a minor planet orbiting the Sun. References External links Lightcurve plot of (509) Iolanda, Antelope Hills Observatory Data and Model of Iolanda at Database of Asteroid Models from Inversion Techniques Background asteroids Iolanda Iolanda S-type asteroids (Tholen) S-type asteroids (SMASS) 19030428