The price for a launch aboard the new Falcon Heavy is set for $100 million, compared to the $50 million price tag for a Falcon 9 liftoff, Musk said.
The first launch of the new heavy-lift rocket could come as early as 2013, Musk added.
SpaceX's next giant leap
The development of a heavy-lift vehicle is yet one more foray for the quickly growing commercial space firm, which hopes to play a vital role in American space activities in the decades to come.
Musk said the heavy-lift vehicle was designed to human ratings standards, and could potentially carry humans to space. Given its strength, the rocket could even be used to send people to the moon or Mars, Musk said, though such missions would likely require multiple launches to send various components (such as the lander and the return vehicle) separately.
This SpaceX fact sheet points out the major differences between the company's Falcon 9 rocket and its planned Falcon 9 Heavy booster.
"It can launch people if need be and do so safely, " Musk said of the Falcon Heavy. "It has so much more capability than any other vehicle I think we can start to realistically contemplate missions like a Mars sample return."
The Hawthorne, Calif.-based SpaceX already has a $1.6 billion contract with NASA to use Falcon 9 and the company's Dragon capsule to launch cargo to the International Space Station after the space shuttles retire. The firm also hopes to outfit Dragon capsules to carry astronauts, and eventually transport both astronauts and space tourists to orbit.
SpaceX also has more than $2.5 billion in launch contracts to deliver satellites to orbit over the next few years.
The Falcon 9 has made two successful test launches so far, the last in October 2010, when it launched the Dragon for the first time. The capsule was successfully recovered from the Atlantic Ocean after orbiting the Earth, making SpaceX only the fourth entity (after the nations of Russia, the United States and China) to have launched and safely recovered an Earth-orbiting satellite. [Infographic: Inside Look at SpaceX's Dragon Capsule]
SpaceX's new rocket
The new Falcon Heavy is designed to stand 227 feet (69.2 meters) tall, and weigh about 3.1 million pounds (1.4 million kilograms). It would incorporate the standard Falcon 9 rocket, with two liquid-powered Falcon 9 first stage boosters strapped on its sides.
Spacex Dragon Capsule Men Colorful Flip Flop Rubber 7 B(m) Us Samsingl
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