Will Pluto and Neptune ever collide?

Will pluto and neptune ever collide?

  • Answer:

    Nope. When you look at their orbits from above (in a 2 dimensional drawing), it looks like they cross over each other. But Pluto's orbit is tilted about 17 degrees relative to Neptune's (I think 17, I could be off a degree or two, no matter). In 3 dimensions, the two orbits never actually cross. Also, for every 2 times Pluto goes around the Sun, Neptune orbits 3 times. So if they haven't crashed in the last 2 Pluto orbits (and they haven't obviously) they never will.

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Other answers

I believe even though their paths cross the always cross at the same time, in which case they will never collide (unless their orbits are changed by some other means)

plainwolf

Not unless something changes their current orbits.

James

if mickey mouse allow it. :)

g-man

No. The orbits of Pluto and Neptune are in a 3:2 resonance (Pluto orbits twice while Neptune orbits 3 times). This means that they will never get closer than 30 AUs on average.

swilliamrex

It could happen if something big enough to change their orbits passed by one of them. But then more probably it'd be just as likely to push them farther apart. "Ever" is a long time: there are predictions that the Milky Way will "collide" with another galaxy in the distant future. So maybe, just maybe.

Luis

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