Earth-Trojan Asteroid Search: Jupiter and Moons
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.
Date Taken: Feb. 9, 2017
Instrument Used: OCAMS (MapCam)
Credit: NASA/Goddard/University of Arizona
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