Super Heavy Prototype – SpaceX Family: Starship Length: 70 meters Diameter: 9 meters Launch Mass: 300 The Super Heavy Prototype was manufactured by SpaceX with the first launch on . Super Heavy Prototype has 0 successful launches and 0 failed launches with a total of 0 launches. Prototype of SpaceX’s Super Heavy, a fully reusable first stage for the Starship space vehicle. Manufacturer Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX has many pads, on the East Coast of the US they own SLC-40 at Cape Canaveral and LC-39A at the Kennedy Space Center for their lower inclination launches. They also own SLC-4E at Vandenberg, California for their high inclination launches. Another site is also being developed at Boca Chica, Texas. SpaceX is a Commercial USA entity that was founded in 2002 and is administered by CEO: Elon Musk. SpaceX has 120 successful launches and 9 failed launches with a total of 129 launches.