NASA prepares to wake New Horizons ahead of historic Pluto flyby

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NASA’s New Horizons spacecraft comes out of hibernation on December 6 at 3:00 pm EST. Now about 2.9 billion miles (4.6 billion km) from Earth, and 162 million miles (260 million km) from Pluto, the spacecraft will be put through a month-long preparation for its six month flyby of Pluto, with the primary phase of the mission slated to begin on January 15.

New Horizons’ current state of hibernation means that most of the spacecraft’s systems are shut down except for monitors and a weekly beacon-status transmission. So far, the probe has gone through 18 hibernation phases since it launched in 2006. This works out to 1,873 days in hibernation or two-thirds of the Pluto flyby mission.

The hibernation technique, which NASA pioneered, is a way of conserving onboard resources, cutting down on mission control personnel time, reducing time…

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