A dwarf planet coming within 11 AU of the sun over the next 10 years

Re:A dwarf planet coming within 11 AU of the sun over the ne... by peeters on Sunday June 20, 2021 @11:04PM (#27575881)

Scott Manley had a recent video talking about the work involved in moving the Earth, that you might find interesting. Basically the most "plausible" approach might be to move the moon and use it to drag the Earth. Similarly the best way to move another large object might be to carefully move other objects small amounts to do precise gravity assists.

https://youtu.be/5StYppuJ_lg

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Re:A dwarf planet coming within 11 AU of the sun over the ne... by smegger001 on Monday June 21, 2021 @01:07AM (#27576481)

wouldn't that require a solution to the three body problem to make such precise gravity assists?

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Re:A dwarf planet coming within 11 AU of the sun over the ne... by kbelder on Monday June 21, 2021 @12:01PM (#27580458)

While we can't 'solve' the three body problem, we can make increasingly accurate estimations. Enough to usually get orbital mechanics right in the short-term.

For a setting where we were getting it right until we got it wrong, see Niven's "A World out of Time".

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Re:A dwarf planet coming within 11 AU of the sun over the ne... by ericbarrett on Monday June 21, 2021 @01:36AM (#27576608)

Only if the target was far and we did it in one shot. Otherwise you’d just measure the state of things and make corrections for your next maneuver, the way we do for trips outside Earth’s orbit today.

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