Rotation Period

10 Jun 2022 = 2.42 seconds (from the Sun Sensor Data)
11 Jun 2022 = 2.38 seconds (from the Sun Sensor Data)
12 Jun 2022 = 2.35 seconds (from the Sun Sensor Data)
13 Jun 2022 = 2.39 seconds (from the Sun Sensor Data)
14 Jun 2022 = 2.37 seconds (from the Sun Sensor Data)
15 Jun 2022 = 2.37 seconds (from the Sun Sensor Data)
16 Jun 2022 = 2.35 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis at a fast rate with the Z-Z axis very slowly precessing about AO-73’s centre of mass in a relatively stable attitude.

73 de Colin VK5HI.

Rotation Period

03 Jun 2022 = 2.57 seconds (from the Sun Sensor Data)
04 Jun 2022 = 2.55 seconds (from the Sun Sensor Data)
05 Jun 2022 = 2.53 seconds (from the Sun Sensor Data)
06 Jun 2022 = 2.52 seconds (from the Sun Sensor Data)
07 Jun 2022 = 2.50 seconds (from the Sun Sensor Data)
08 Jun 2022 = 2.47 seconds (from the Sun Sensor Data)
09 Jun 2022 = 2.44 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis at a fast rate with the Z-Z axis very slowly precessing about AO-73’s centre of mass in a relatively stable attitude.

The most recent WOD downloaded over VK on the 9th June at 0642utc.

73 de Colin VK5HI.

Rotation Period

27 May 2022 = 3.00 seconds (from the Sun Sensor Data)
28 May 2022 = 2.92 seconds (from the Sun Sensor Data)
29 May 2022 = 2.85 seconds (from the Sun Sensor Data)
30 May 2022 = 2.79 seconds (from the Sun Sensor Data)
31 May 2022 = 2.74 seconds (from the Sun Sensor Data)
01 Jun 2022 = 2.67 seconds (from the Sun Sensor Data)
02 Jun 2022 = 2.65 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis at a fast rate with the Z-Z axis very slowly precessing about AO-73’s centre of mass in a relatively stable attitude.

73 de Colin VK5HI.

Rotation Period

20 May 2022 = 4.12 seconds (from the Sun Sensor Data)
21 May 2022 = 3.13 seconds (from the Sun Sensor Data)
22 May 2022 = 3.71 seconds (from the Sun Sensor Data)
23 May 2022 = 3.52 seconds (from the Sun Sensor Data)
24 May 2022 = 3.25 seconds (from the Sun Sensor Data)
25 May 2022 = 3.22 seconds (from the Sun Sensor Data)
26 May 2022 = 3.11 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude.

73 de Colin VK5HI.

Rotation Period

13 May 2022 = 5.19 seconds (from the Sun Sensor Data)
14 May 2022 = 5.38 seconds (from the Sun Sensor Data)
15 May 2022 = 5.29 seconds (from the Sun Sensor Data)
16 May 2022 = 5.00 seconds (from the Sun Sensor Data)
17 May 2022 = 4.71 seconds (from the Sun Sensor Data)
18 May 2022 = 7.10 seconds (from the Sun Sensor Data)
19 May 2022 = 4.31 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude.

73 de Colin VK5HI.

Rotation Period

06 May 2022 = 5.36 seconds (from the Sun Sensor Data)
07 May 2022 = 5.33 seconds (from the Sun Sensor Data)
08 May 2022 = 5.55 seconds (from the Sun Sensor Data)
09 May 2022 = 5.25 seconds (from the Sun Sensor Data)
10 May 2022 = 5.24 seconds (from the Sun Sensor Data)
11 May 2022 = 5.25 seconds (from the Sun Sensor Data)
12 May 2022 = 5.33 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude.

73 de Colin VK5HI.

Rotation Period

29 Apr 2022 = 5.43 seconds (from the Sun Sensor Data)
30 Apr 2022 = 5.55 seconds (from the Sun Sensor Data)
01 May 2022 = 5.50 seconds (from the Sun Sensor Data)
02 May 2022 = 5.10 seconds (from the Sun Sensor Data)
03 May 2022 = 5.15 seconds (from the Sun Sensor Data)
04 May 2022 = 5.50 seconds (from the Sun Sensor Data)
05 May 2022 = 5.29 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude.
The “event” on the 22nd April appears to have affected both the spin and the attitude of AO-73 this last week.

73 de Colin VK5HI.

Rotation Period

22 Apr 2022 = 8.75 seconds (from the Sun Sensor Data)
23 Apr 2022 = 5.24 seconds (from the Sun Sensor Data)
24 Apr 2022 = 5.23 seconds (from the Sun Sensor Data)
25 Apr 2022 = 5.40 seconds (from the Sun Sensor Data)
26 Apr 2022 = 5.45 seconds (from the Sun Sensor Data)
27 Apr 2022 = 5.36 seconds (from the Sun Sensor Data)
28 Apr 2022 = 5.40 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude.
The “event” on the 22nd April has affected both the spin and the attitude of AO-73 and the latest WOD of 28th April is attached below.

The most recent WOD downloaded from AO-73 on the 0604utc pass over VK on 28th April 2022.

73 de Colin VK5HI.

Rotation Period

15 Apr 2022 = 4.31 seconds (from the Sun Sensor Data)
16 Apr 2022 = 4.44 seconds (from the Sun Sensor Data)
17 Apr 2022 = 4.48 seconds (from the Sun Sensor Data)
18 Apr 2022 = 4.67 seconds (from the Sun Sensor Data)
19 Apr 2022 = 4.83 seconds (from the Sun Sensor Data)
20 Apr 2022 = 4.94 seconds (from the Sun Sensor Data)
21 Apr 2022 = 5.09 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude. AO-73 continues to exhibit small incremental increases in rotational period.
73 de Colin VK5HI.

Rotation Period

08 Apr 2022 = 3.61 seconds (from the Sun Sensor Data)
09 Apr 2022 = 3.73 seconds (from the Sun Sensor Data)
10 Apr 2022 = 3.83 seconds (from the Sun Sensor Data)
11 Apr 2022 = 3.93 seconds (from the Sun Sensor Data)
12 Apr 2022 = 4.00 seconds (from the Sun Sensor Data)
13 Apr 2022 = 4.07 seconds (from the Sun Sensor Data)
14 Apr 2022 = 4.22 seconds (from the Sun Sensor Data)

AO-73 continues spinning about the Z-Z axis with the Z-Z axis slowly precessing about AO-73’s centre of mass in a non-stable attitude.
This week AO-73 has continued to exhibit small incremental increases in rotational period.

The WOD of 13th April displaying the non-stable attitude.

73 de Colin VK5HI.