What mass would it take to turn Jupiter into a star?

I'm writing a science fiction story based on:

1. turning Jupiter into a star.
2. colliding Callisto and/or Io into Ganymede to increase mass and changing the orbit to provide warmth, atmosphere, and rotation.
3. using Neo-Ganymede for human habitation and a stepping stone to the stars.

This will require gargantuan energy and a lot of mass - of the right kind.

I realize that the amounts of energy to accomplish this project are unrealistic, but I want an estimation in order to write the story with as few "fiction" theories as possible. thanks

posted over 6 years ago

Richard Servatius‭

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