Nap Time for New Horizons: NASA Spacecraft Enters Hibernation

April 11, 2017

This is an overhead view of NASA's New Horizons full trajectory; the spacecraft has entered a hibernation phase on April 7 that will last until early September.

NASA's New Horizons spacecraft has eased into a long summer's nap, entering a hibernation phase on April 7 that will last until early September.

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The Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, designed, built, and operates the New Horizons spacecraft, and manages the mission for NASA's Science Mission Directorate. The Southwest Research Institute, based in San Antonio, leads the science team, payload operations and encounter science planning. New Horizons is part of the New Frontiers Program managed by NASA's Marshall Space Flight Center in Huntsville, Alabama.