How Long Does it Take to Get to the Moon, Mars, Jupiter

How long does it take to get to the Moon? Mars? Jupiter? The answer is: it depends — and speed is only one factor. Travel times also depend on distance, fuel, physics and clever trajectory planning. From quick trips to the Moon to years-long voyages to the outer planets, every mission follows a unique path. Watch as a NASA scientist breaks down what it really takes to travel through space. Learn more about how we navigate the solar system: https://science.nasa.gov/learn/basics-of-space-flight/ Link to download this video: coming soon Scott Bednar, Pedro Cota, Jessie Wilde Editor: James Lucas Credit: NASA

What is said in the film

How long does it take to get to the Moon, Mars, Jupiter? We Asked a NASA Scientist. So how long does it take to get from Earth to the Moon, to Mars or to Jupiter? As with most things in life, the answer is: it depends. During the Apollo program, when NASA sent humans to the Moon, those missions took several days to reach the Moon.

The fastest of these was Apollo 8, which took just under three days to go from Earth orbit to orbit around the Moon. Now it's possible to save some fuel by flying different kinds of trajectories to the Moon that are shaped in such a way to save fuel. And those trajectories can take more time, potentially weeks or months, to reach the Moon, depending on how you do it. Mars is further away, about 50 percent further away from the Sun than Earth is. And reaching Mars generally takes somewhere between seven to ten months, flying a relatively direct route.

NASA's Mars Reconnaissance Orbiter mission took about seven and a half months to reach Mars. And NASA's MAVEN mission took about ten months to reach Mars. Jupiter is about five times further away from the Sun than the Earth is. And so in order to make those missions practical, we have to find ways to reduce the fuel requirements. And the way we do that is by having the spacecraft do some flybys of Earth and or Venus to help shape the spacecraft's trajectory and change the spacecraft's speed without using fuel.

And using that sort of approach, it takes between about five to six years to reach Jupiter. So NASA's Galileo mission, the first mission to Jupiter, took just a little over six years. And then NASA’s second mission to Jupiter, which was called Juno, took just under five years. So to get to the Moon takes several days. To get to Mars takes seven to ten months.

And getting to Jupiter takes between five and six years. We Asked a NASA Scientist. NASA. A NASA 360 Production.

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