Spin Period
13 July 2018 = 71.9 seconds (from averaged panel temperatures)
14 July 2018 = 71.1 seconds (from averaged panel temperatures)
15 July 2018 = 69.6 seconds (from averaged panel temperatures)
16 July 2018 = 69.3 seconds (from averaged panel temperatures)
17 July 2018 = 69.3 seconds (from averaged panel temperatures)
18 July 2018 = 69.1 seconds (from averaged panel temperatures)
19 July 2018 = 68.8 seconds (from averaged panel temperatures)
AO-73 is showing a tendency to very slowly increase in speed of rotation.