by Staff Writers
Greenbelt MD (SPX) Feb 15, 2017
This magnified, cropped image showing Jupiter and three of its moons was taken by NASA's OSIRIS-REx spacecraft's MapCam instrument during optical navigation testing for the mission's Earth-Trojan Asteroid Search.
The image shows Jupiter in the center, the moon Callisto to the left and the moons Io and Europa to the right. Ganymede, Jupiter's fourth moon, is also present in the image, but is not visible as it is crossing in front of the planet.
The image was taken at 3:38 a.m. EST on Feb. 9, 2017, when the spacecraft was 75 million miles (120 million kilometers) from Earth and 419 million miles (675 million kilometers) from Jupiter. With an exposure time of two seconds, the image renders Jupiter overexposed, but allows for enhanced detection of stars in the background.
NASA's Goddard Space Flight Center provides overall mission management, systems engineering and the safety and mission assurance for OSIRIS-REx. Dante Lauretta of the University of Arizona, Tucson, is the principal investigator, and the University of Arizona also leads the science team and the mission's observation planning and processing. Lockheed Martin Space Systems in Denver built the spacecraft and is providing flight operations.
Goddard and KinetX Aerospace are responsible for navigating the OSIRIS-REx spacecraft. OSIRIS-REx is the third mission in NASA's New Frontiers Program. NASA's Marshall Space Flight Center in Huntsville, Alabama, manages the agency's New Frontiers Program for its Science Mission Directorate in Washington
Goddard Space Flight Center
Asteroid and Comet Mission News, Science and Technology
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