Adop would be better than predict. Keeping in view that there must be many asteroids, comets etc which are not visible from Earth. Then how they know which path/route etc to follow to avoid even minute of alien particles? For example some satellites have gone as far as Saturn and Jupiter avoiding even a tiny bit of space rock etc. And at that speed even a pebble would seem an Everest. Is it luck or real precise navigation, information and calibration?|||Getting from earth to, say, Jupiter is precise navigation. Believe it or not, there is actually commercial software that you can buy (if you've got several tens of thousands in spare cash) that can be used to plan the trip. Tell it the thrust of your rocket, when you want to get to Jupiter and how you want to approach, and it figures out when and which course to launch on.
The asteroid belt situation is luck. Remember that the asteroid belt is not like you see it in the movies. If people on earth were as spread out as asteroids are in the asteroid belt, I'd be in California, there would be a guy in the Bahamas, someone in Scotland, someone in India, and a person in the Solomon Islands, and that would be about it.
We know about the large asteroids, and can make sure we don't hit them by tweaking the launch time if necessary, but for the smaller stuff, it's close your eyes, cross your fingers, and hope your mission doesn't roll snake eyes.|||They apply calculus to solve the problems involved with orbital mechanics.
You can google it.
Edit:
Getting around and missing those little pebbles that are travelling near warp speed is called luck.|||They use their mystical powers! :)
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