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Opportunity Passes 11 Mile Mark
Pasadena CA (SPX) Sep 29, 2009 Opportunity has driven four out of the last six sols, making way to Endeavour crater. On sols 2009, 2011, 2013 and 2014 (Sept. 18, 20, 22 and 23), the rover drove 55 meters (180 feet), 71 meters (233 feet), 70 meters (230 feet) and 59 meters (194 feet), respectively, passing 11 miles of total odometry. Each drive was backwards heading to the west to avoid a large region of potentially risky dune ripples. Eventually, the rover will turn south, then east, to head to Endeavour. Motor currents in the right-front wheel remain well behaved. As of Sol 2014 (Sept. 23, 2009), Opportunity's solar-array energy production is 477 watt-hours. Atmospheric opacity (tau) is 0.681, and the dust factor on the solar array is 0.603. Total odometry is 17,717.33 meters (11.01 miles). Share This Article With Planet Earth
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Spirit Makes Progress On Antenna ActuatorPasadena CA (SPX) Sep 29, 2009 Spirit is recovering from the high-gain antenna (HGA) anomaly that occurred on Sol 2027 (Sept. 15, 2009). The HGA problem is suspected to be an apparent intermittent behavior in the dynamic brake relay for the HGA actuators, a problem that has been seen and mitigated before in other rover actuators. Diagnostics were run on the HGA and each actuator moved freely in both directions without ... read more |
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