AO-73 : Funcube-1

Rotation Period

07 May 2021 = 15.0 seconds (from averaged panel temperatures)
08 May 2021 = 14.6 seconds (from averaged panel temperatures)
09 May 2021 = 14.8 seconds (from averaged panel temperatures)
10 May 2021 = 14.7 seconds (from averaged panel temperatures)
11 May 2021 = 15.5 seconds (from averaged panel temperatures)
12 May 2021 = 15.6 seconds (from averaged panel temperatures)
13 May 2021 = 16.9 seconds (from averaged panel temperatures)

AO-73 reverted back to rotating about the Z-Z axis in the normal spin direction on 7th May.
This week we have noted the Z-Z axis exhibiting quite large periodic secondary rotation about AO-73’s offset centre of mass.
This is highlighted in the following graphic downloaded over VK on the 13th May.

73 de Colin VK5HI.

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