Synchronized Position Hold, Engage, Reorient, Experimental Satellites Smoothing-Based Relative Navigation (SPHERES SmoothNav): The crew set up and performed a SPHERES SmoothNav test session. The SPHERES test plan consists of 12 different possible tests that can be performed in order to meet the objectives for the session. SmoothNav uses an estimation algorithm that obtains the most …

Source: ISS Daily Summary Report - 2/27/2019