The Gordon is a KSC ship that transports people between Earth and The Moon. It is named after Richard Gordon, who was the Command Module Pilot for the Apollo 12 mission.[1]
Background[]
The ship has full centripetal gravity with a large enough radius that people won't feel dizzy whilst it spins. It gradually slows the rotation over the 7 day trip to the Moon so that when they reach there, they are used to the gravity which is 1/6 of the Earth's gravity. They reverse this process until it goes from 1/6th g to 1g and the passengers are used to Earth's gravity again.
Earth-Moon Transit[]
The Gordon uses an Uphoff-Crouch Cycler Orbit to transit between the Earth and the Moon. Using a ballistic orbit, the ship goes through a cycle with each step taking seven days.
Earth --> Moon --> (deep space out of Earth-moon plane) --> Moon --> Earth --> (deep space in the Earth-moon plane) --> Earth -->(repeats)days.