Spin Period
03 Jan 2020 = 96.6 seconds (from averaged panel temperatures)
04 Jan 2020 = 88.5 seconds (from averaged panel temperatures)
05 Jan 2020 = 82.7 seconds (from averaged panel temperatures)
06 Jan 2020 = 76.1 seconds (from averaged panel temperatures)
07 Jan 2020 = 70.3 seconds (from averaged panel temperatures)
08 Jan 2020 = 65.3 seconds (from averaged panel temperatures)
08 Jan 2020 = 60.1 seconds (from averaged panel temperatures)
As AO-73 has been slowly increasing its spin rate in recent weeks (lower spin period) this week has shown a small increase in Nutation due to AO-73’s offset Centre of Gravity.
It is still rotating about the Z-Z axis.
73 de Colin VK5HI.