Opportunity is located at the feature called 'Spirit Mound' on the rim of Endeavour Crater, the first science waypoint of the 10th extended mission.

The rover is completing the in-situ (contact) investigation of targets in this area. On Sol 4536 (Oct. 27, 2016), the rover collected a Microscopic Imager (MI) mosaic of the target 'Lupus' then placed the Alpha Particle X-ray Spectrometer (APXS) on an offset target. The rover continued over the next few sols to collect Panoramic Camera (Pancam) and Navigation Camera (Navcam) imagery. Then, on Sol 4538 (Oct. 29, 2016), the rover did a 16-foot (5-meter) U-turn to reach the summit of Spirit Mound.

On Sol 4539 (Oct. 30, 2016), a readout of the rover's EEPROM (non-volatile memory called electrically erasable programmable read-only memory) was successfully returned to Earth. This readout will be used in the testbed rovers on the ground. As a result, the testbeds will be more accurately configured like the flight rover.

As of Sol 4541 (Nov. 1, 2016), the solar array energy production is 390 watt-hours with an atmospheric opacity (Tau) of 0.954 and a solar array dust factor of 0.711.

Total odometry is 26.998 miles (43.45 kilometers).