when new satellites get launched by private companies, how do they know what height / trajectory to launch them at without having any collisions with existing satellites?

Question

when new satellites get launched by private companies, how do they know what height / trajectory to launch them at without having any collisions with existing satellites?

In: Technology

Answer 1

Space big, satellites small.

Plus we know where all the other ones are so we can launch them into an empty spot in the orbit.