Twelve of Jupiter's moons are relatively small and seem to have been more likely captured than to have been formed in orbit around Jupiter.
Jupiter has many moons that have been captured besides the smaller ones.
( z1 have :ARG0 ( z2 planet :name ( z3 name :op "Jupiter" ) ) :ARG1 ( z4 moon :quant ( z5 many ) :ARG1-of ( z6 capture ) :ARG2-of ( z7 except :ARG1 ( z8 moon :ARG1-of ( z9 capture ) :ARG1-of ( z10 have-degree :ARG2 ( z11 small ) :ARG3 ( z12 more ) ) ) ) ) )