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Liam Kennedy Profile picture
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29 Jul, 5 tweets, 3 min read
With #Nauka dock scheduled for 9:24 AM EDT - based on the #Pirs undocking telemetry, we should see SARJ lock at 7:29 AM and Pitch Up beginning 8:19 AM. Will find out soon! Alas, that means pitch up will be in ISS eclipse so we won't see that happening @Space_Station.
I'm sure the priority is to have #Nauka dock during @Space_Station daylight and 9:24 AM EDT is about 7 minutes before eclipse - so that makes sense.
And... don't rely on my timing guesses here.. things could be very different for #Nauka dock vs #Pirs undock. I am nevertheless very curious how this will turn out.
Well... things started a little earlier this time. SARJ was locked about 2 hours ago - and pitch UP has just been completed. THINGS ARE HAPPENING!
Here is my little plot of the telemetry showing how busy ADCO has been already today. Image

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More from @liamkennedy

Liam Kennedy Profile picture
31 Jul
I had forgotten I have a little old @Raspberry_Pi beside my desk creating timelapse videos of the ISS Live stream. It created this little masterpiece of the start of the #Nauka shenanigans yesterday. More info to follow /1
@Raspberry_Pi As far as I can see this seems to show the station completely flipped over during the emergency. Camera starts the view is facing nadir - lifts up - you see the limb of the earth on right side - a short signal loss - then when back you see earth now on LEFT side. /2
This IS what the telemetry plots I creating have also been telling us - but - this (for me) confirms it "by observation" so to speak.
Read 4 tweets
Liam Kennedy Profile picture
29 Jul
The @Space_Station Solar Array Alpha Rotary Joint(s) - SARJ - remain parked after the #NAUKA anomaly. I am guessing some very careful inspection needs to happen before they are unparked. Image
SARJ are parked prior to spacecraft docking/undocking and usually return to normal operation soon after. The individual solar array sections separately rotate to provide some sun-tracking but they are also parked a little closer to the dock/undock. /2
This plot shows a little more of the telemetry from before proximity ops (Nauka docking) up until a few minutes ago. /3 Image
Read 4 tweets

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