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On January 7, 2019 Maxar Technologies Inc. reported that its WorldView-4 satellite experienced a failure in its control moment gyros ("CMGs"), preventing the satellite from collecting imagery due to the loss of an axis of stability.
Efforts are ongoing in conjunction with its suppliers in an attempt to restore satellite functionality, but thus far these efforts have been unsuccessful. At this time, Maxar believes that WorldView-4 will likely not be recoverable and will no longer produce usable imagery. Maxar operations has put the WorldView-4 satellite in a safe configuration and will continue to monitor the satellite's location and health. The satellite was built by Lockheed Martin and the CMGs were provided by Honeywell.
WorldView-4 satellite was successfully launched on Friday, November 11, 2016 at 10:30 a.m. PST from Vandenberg Air Force Base, California. DigitalGlobe's WorldView-4 is capable of discerning objects on the Earth's surface as small as 31cm in the panchromatic and will collect 4-band multispectral at 1.24-meter resolution. WorldView-4 will have similar resolution as the WorldView-3 satellite sensor. This advanced resolution will offer customers unprecedented, precise views for 2D or 3D mapping, change detection and image analysis.
