Periapsis
the special passes close to the space wheel, where the space train is close to its path curve
Technical definition
The point in the orbit of a star or planet that is closest to the central mass, where the star or planet moves the fastest.
the special passes close to the space wheel, where the space train is close to its path curve
The point in the orbit of a star or planet that is closest to the central mass, where the star or planet moves the fastest.