Input (grade 12): Physical characteristics Herculina is one of the twenty or so largest members of the main asteroid belt .20 Largest Asteroids It has often been noted for its complex lightcurves, which made determination of its shape and rotation somewhat difficult.
Output (grade 11): Physical characteristics Herculina is one of the twenty or so biggest members of the main asteroid belt .20 Largest Asteroids It has often been noted for its complex lightcurves, which made finding its shape and rotation somewhat hard.