With the passing of the winter solstice and improving power, Opportunity continues to drive towards Endeavour crater.
On Sol 2254 (May 27, 2010), the rover drove about 26 meters (85 feet) to the south/south east. Opportunity drove again on Sol 2256 (May 29, 2010), for about 25 meters (82 feet). But on Sol 2257 (May 30, 2010), a fault occurred with the pancam mast assembly (PMA) that supports the science and navigation cameras.
The azimuth joint of the PMA did not move when commanded. On Sol 2259 (June 1, 2010), a set of diagnostic tests were run on the PMA azimuth joint, as well as other actuators as a control. The PMA was found to be okay, which does not explain the earlier fault. So the project is continuing the investigation with more diagnostic tests.
As of Sol 2260 (June 2, 2010), solar array energy production was 269 watt-hours, atmospheric opacity (Tau) was 0.465 (Sol 2256) and the solar array dust factor improved to 0.566.
Total odometry is 20,862.01 meters (20.86 kilometers, or 12.96 miles).
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