3-2-1: A look at NASA's Jupiter mission by the numbers - CBS News 8 - San Diego, CA News Station - KFMB Channel 8

3-2-1: A look at NASA's Jupiter mission by the numbers

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This artist's rendering provided by NASA and JPL-Caltech shows the Juno spacecraft above the planet Jupiter. Five years after its launch from Earth, Juno is scheduled to go into orbit around the gas giant on Monday, July 4, 2016. (NASA/JPL-Caltech via AP) This artist's rendering provided by NASA and JPL-Caltech shows the Juno spacecraft above the planet Jupiter. Five years after its launch from Earth, Juno is scheduled to go into orbit around the gas giant on Monday, July 4, 2016. (NASA/JPL-Caltech via AP)

LOS ANGELES (AP) — Since launching in 2011, NASA's Juno spacecraft has been cruising toward the biggest planet in the solar system. On Monday, Juno is scheduled to perform a nail-biting move designed to enter orbit around Jupiter to explore its cloud-covered atmosphere and interior makeup.

Here are a few key numbers about the $1.1 billion mission:

— 1.8 billion miles (2.8 billion kilometers)

That's the total distance traveled from launch to arrival. Juno's journey wasn't a straight shot. Because the rocket that carried Juno wasn't powerful enough to boost it directly to Jupiter, it took a longer route. It looped around the inner solar system and then swung by Earth, using our planet as a gravity slingshot to hurtle toward the outer solar system.

— 3,100 miles (5,000 kilometers)

That's how close Juno will fly to Jupiter's cloud tops. It'll pass over the poles 37 times during the mission on a path that avoids the most intense radiation.

— 48 minutes, 19 seconds

That's the time it takes for radio signals from Jupiter to reach Earth. During the encounter, Juno will fire its main engine for about a half hour to slow down. By the time ground controllers receive word that it started, the engine burn would have been completed, and if all goes as planned, Juno would be in orbit.

— 20 months

That's how long the mission will last. Because Juno is in a harsh radiation environment, its delicate electronics are housed in a special titanium vault. Eventually, Juno will succumb to the intense radiation and will be commanded to plunge into Jupiter's atmosphere to avoid any collision with the planet's moons.

— Nine

Juno carries a suite of nine instruments to explore Jupiter from its interior to its atmosphere. It will map Jupiter's gravity and magnetic fields and track how much water is in the atmosphere. Its color camera dubbed JunoCam will snap close-ups of Jupiter's swirling clouds, polar regions and shimmering southern and northern lights.

— Three

Three massive solar wings extend from Juno, making it the most distant solar-powered spacecraft. The panels can generate 500 watts of electricity, enough to power the instruments.

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Online:

Mission page: http://tinyurl.com/Jupitermission

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Follow Alicia Chang on Twitter: @SciWriAlicia

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