Perseverance Captures Another Phobos Transit
Description NASA’s Perseverance Mars rover used its Mastcam-Z camera to capture the silhouette of Phobos, one of the two Martian moons, as it crossed in front of the Sun on Aug. 12, 2026, the 1,948th Martian day, or sol, of the mission. The animation has been tinted to simulate w
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2 Min Read
# Perseverance Captures Another Phobos Transit
PIA26811
Credits: NASA/JPL-Caltech/ASU/MSSS/SSI
Image Addition Date:08/24/2026
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Description
NASA’s Perseverance Mars rover used its Mastcam-Z camera to capture the silhouette of Phobos, one of the two Martian moons, as it crossed in front of the Sun on Aug. 12, 2026, the 1,948th Martian day, or sol, of the mission.
The animation has been tinted to simulate what a human would see if they were watching the transit from the Martian surface through protective solar eclipse glasses.
Perseverance has captured several Phobos transits since its landing at Jezero Crater in February 2021. By comparing the various recordings, scientists can refine their understanding of the potato-shaped moon'’ orbit, learning how it is changing. Eons from now, Phobos’ orbit is expected to eventually send the moon toward the Red Planet’s surface.
Arizona State University leads the operations of the Mastcam-Z instrument, working in collaboration with Malin Space Science Systems in San Diego, on the design, fabrication, testing, and operation of the cameras, and in collaboration with the Niels Bohr Institute of the University of Copenhagen on the design, fabrication, and testing of the calibration targets.
NASA’s Jet Propulsion Laboratory, which is managed for the agency by Caltech in Pasadena, California, built and manages operations of the Perseverance rover.
For more about Perseverance: science.nasa.gov/mission/mars-2020-perseverance
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