The Atlantis Rocket 5000 is a behemoth of a rocket, capable of reaching orbit in 5 seconds flat. It stands 500 meters tall, and is powered by a combination of 1000 nuclear reactors, 5000 gallons of liquid oxygen, and a dash of pure, unadulterated awesomesauce.
Dimensions: 500m x 50m x 20m (height x diameter x depth)
Propulsion: Nuclear-powered, with a top speed of 10,000 km/h (6,200 mph)
Stages: 5 (with optional 6th stage for really, really long trips)
Batteries: 1000 x 100Ah, 12V (because why not?)