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 by Staff Writers Pasadena CA (JPL) Sep 19, 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). It is expected that Opportunity has experienced a low-power fault and perhaps, a mission clock fault and then an up-loss timer fault. The dust storm on Mars continues its decay with atmospheric opacity (tau) over the rover site now below 1.5. The project has been listening for the rover over a broader range of times using the Deep Space Network Radio Science Receiver. The project has also begun the commanding "sweep and beeps" to address a possible complexity with certain conditions within the mission clock fault. The first "sweep and beeps" were sent on Sol 5202 (Sept. 11, 2018). Total odometry is 28.06 miles (45.16 kilometers).
A new listening plan for Mars Opportunity rover Pasadena CA (JPL) Sep 12, 2018 No signal from Opportunity has been heard since Sol 5111 (June 10, 2018), though NASA has approved a strategy for listening for the rover through January of 2019. It is expected that Opportunity has experienced a low-power fault and perhaps, a mission clock fault and then an up-loss timer fault. The science team continues to listen for the rover either during the expected fault communication windows or listening over a broader range of times using the Deep Space Network Radio Science Receiver. ... read more
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