3 types of understood impossible:

Logically impossible. Defies the 3 laws: The law of noncontradiction, the law of identity , and the law of excluded middle.

Physically impossible. Defies the laws of Newtonian physics.

Technologically impossible. Unable to be performed with the current technology possessed by man.

Your situation defies none of these laws. Thus, it is not impossible. Have a good day.