The sun contains 99.86% of the solar system's mass. Jupiter contains .2%. The other gas giants make up the rest, and everything else combined rounds down to zer

The sun contains 99.86% of the solar system's mass. Jupiter contains .2%. The other gas giants make up the rest, and everything else combined rounds down to zero. You could dump everything from Mercury to the Oort cloud into Jupiter and it's still not enough mass to turn it into a star.