Opportunity: No signal for nearly 100 days

NASA Mars Exploration Rover Status Report, September 18, 2018: The Opportunity team is increasing the frequency of commands it beams to the rover via the dishes of NASA’s Deep Space Network from three times a week to multiple times per day.

No signal from Opportunity has been heard since Sol 5111 (June 10, 2018). That’s nearly 100 sols (days) without communication. It is expected that Opportunity has experienced a low-power fault, perhaps, a mission clock fault and an up-loss timer fault. The dust storm on Mars continues its decay with atmospheric opacity (tau) over the rover site below 1.5. The project has been listening for the rover over a broad range of times using the Deep Space Network Radio Science Receiver and commanding “sweep and beeps” to address a possible complexity with certain conditions within the mission clock fault. [More at link]

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