Nicholas Kang
Tutorial Publisher
NOTE: The docking video of Dragon to the ISS is uploaded to the second post below (The Installation Coverage post). Thank you.
NASA TV started Dragon's rendezvous live coverage now!
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Dragon will approach the 350m mark from the ISS.
[ame="https://twitter.com/ISS101/status/834690117205946368"]ISS Updates on Twitter: "View of #Dragon below the Space Station. R-Bar acquisition expected shortly. https://t.co/6SCYjcTQob https://t.co/dmjK6Lmz3j"[/ame]
Dragon to dock at 6 a.m. ET today.
Now at 350m, according to Spacex controllers at Hawthorne, CA
[ame="https://twitter.com/ISS101/status/834690920826142720"]ISS Updates on Twitter: "#Dragon has arrived at its 350-meter R-Bar acquisition point. Now holding for 7 minutes to facilitate a 180-degree yaw maneuver."[/ame]
Ok, everything is good. Now showing the Cupola module SSRMS computer screen view.
Back to the view of MCC control room again.
Oh, loss of comm video from TDRSS.
Textbook rerendezvous, that's the term they use.
ISS and Dragon now 250 miles now, and will cross Australia, NZ and southern Pacific soon.
Confirmed at 250m hold point.
[ame="https://twitter.com/ISS101/status/834694323660869632"]ISS Updates on Twitter: "#Dragon has arrived at the 250-meter hold point. Now pausing the approach for configuration of the Proximity Navigation System. 15-min hold."[/ame]
Dragon seems to be in orbital sunset. It is late evening in the Pacific now.
[ame="https://twitter.com/ISS101/status/834695676273504256"]ISS Updates on Twitter: "Mission Control Houston & Hawthorne have given a GO for #Dragon approach into the Keep Out Sphere. https://t.co/6SCYjcTQob"[/ame]
Now moving away from the 250m point. Next hold point is 100m away from the ISS.
About 8:30 minutes ahead of schedule. So installation coverage might be brought forward (earlier).
I notice that the approach speed is constant at around 0.15m/s. Now approximately 200m away from the ISS.
Don't understand how to interpret the values displayed on the Cupola module screen. No worries. Here is an informative tweet from ISS101.
[ame="https://twitter.com/ISS101/status/834696946044510208"]ISS Updates on Twitter: "Quick primer on the robotics display seen on NASA TV. #Dragon https://t.co/yKcuVteYLq"[/ame]
Now in 200m Keeps-out Sphere. The crew may abort the approach if complications arise.
[ame="https://twitter.com/ISS101/status/834697492088356865"]ISS Updates on Twitter: "#Dragon now inside the Keep Out Sphere. Approach from 250 to 30 meters takes around 33 minutes."[/ame]
[ame="https://twitter.com/ISS101/status/834697799824465921"]ISS Updates on Twitter: "Inside 200m, the ISS crew has the authority to command an abort in case #Dragon drifts out of the corridor & there is no comm with Houston."[/ame]
160m
150m
Thomas Pesquet and Shane Kimbrough are the astronauts-in-charge for today's rendezvous and berthing of Dragon.
Now approaching orbital sunrise in South America. 250 miles high. 120m below ISS. Everything on track. Arrive at 19 minutes from now.
Now at 100m mark.
Now north of Chille.
11 minutes away from arrival at 30m mark
Now 250 miles above Amazon forest in Brazil. By a coincidence, it will cross directly over ESA's French Guinea spaceport.
60m.
6 minutes to 30m mark below the ISS.
[ame="https://twitter.com/ISS101/status/834703227891380224"]ISS Updates on Twitter: "Lovely views of #Dragon flying along the terminator line over South America. https://t.co/6SCYjcTQob https://t.co/roFZ5rZYEG"[/ame]
Now 250 miles above the Atlantic and will cross the west coast of France soon.
2.5 minutes to 30m mark.
30 seconds to go.
Ok, Now in 30m mark. In Hold position. Dragon fired its thrusters to hold. Ready for maneuver to high hover.
[ame="https://twitter.com/ISS101/status/834704548031787008"]ISS Updates on Twitter: "#Dragon now at the 30-meter Hold Point for a final verification of its navigation system prior to final approach. https://t.co/6SCYjcTQob https://t.co/ozTDa0Dkky"[/ame]
A typical hold like this will last for about 20 minutes.
Dragon and ISS above Europe (Border of France and Spain.)
Progress 66 craft lag behind at east of South America, east of Chile.
Great, Canadarm2 in high hover position now.
[ame="https://twitter.com/ISS101/status/834707315706171393"]ISS Updates on Twitter: "Canadarm2 now holding in its high-hover position over the Capture Point. #Dragon https://t.co/6SCYjcTQob https://t.co/MC5zd0RQQi"[/ame]
9 minutes ahead of schedule. Now leaving the 30 m mark towards ISS.
[ame="https://twitter.com/ISS101/status/834709066643623937"]ISS Updates on Twitter: "Mission Control has given a GO for final approach. It will take #Dragon ~17 minutes to cover the last 20 meters to the capture point. https://t.co/VaU9VhYEVt"[/ame]
Expected grapple time is 5:41 a.m. ET.
Arriving at capture point in about 5 minutes.
The approaching speed is now about 0.02m/s.
Opps, no comm video. Satellite signal is gone temporarily.
Video is back. 13m.
Ok, Now in CP Hold point.
[ame="https://twitter.com/ISS101/status/834713453772337152"]ISS Updates on Twitter: "#Dragon has arrived at the Capture Point and is now within reach of the Station's Robotic Arm. https://t.co/6SCYjcTQob https://t.co/dGQg4C4Hzu"[/ame]
[ame="https://twitter.com/ISS101/status/834713743384797184"]ISS Updates on Twitter: "Showing #Dragon in CP Hold Mode. There will be a Free Drift timer counting up once the spacecraft's thrusters are deactivated. https://t.co/MrEcNrAVBk"[/ame]
GO for CAPTURE!
[ame="https://twitter.com/ISS101/status/834714032472981504"]ISS Updates on Twitter: "Mission Control has given a GO for the Capture Sequence, @Thom_astro & @astro_kimbrough now working steps at their own pace. #Dragon"[/ame]
[ame="https://twitter.com/ISS101/status/834714906180087809"]ISS Updates on Twitter: "ISS now in Attitude Hold Mode without desat requests to avoid thruster activity during the capture sequence (different from Free Drift)."[/ame]
Cannadarm2 now moving.
[ame="https://twitter.com/ISS101/status/834715088682614784"]ISS Updates on Twitter: "Robotic Arm now in motion for the capture. https://t.co/6SCYjcTQob #Dragon https://t.co/uTRD9Eukav"[/ame]
2.5 meters to go.
Captured Confirmed at 5:44 a.m. ET over west coast of Australia.
[ame="https://twitter.com/ISS101/status/834715612022710272"]ISS Updates on Twitter: "CAPTURE - The #Dragon has been tamed after taking the scenic route to the Space Station, delivering 2,490kg of cargo https://t.co/6SCYjcTQob https://t.co/ZAnesLclpG"[/ame]
Great, see you during the installation coverage later.
EDIT: Now NASA TV is showing the replay of the capture of Dragon. 6.26 a.m. ET
NASA TV started Dragon's rendezvous live coverage now!
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Dragon will approach the 350m mark from the ISS.
[ame="https://twitter.com/ISS101/status/834690117205946368"]ISS Updates on Twitter: "View of #Dragon below the Space Station. R-Bar acquisition expected shortly. https://t.co/6SCYjcTQob https://t.co/dmjK6Lmz3j"[/ame]
Dragon to dock at 6 a.m. ET today.
Now at 350m, according to Spacex controllers at Hawthorne, CA
[ame="https://twitter.com/ISS101/status/834690920826142720"]ISS Updates on Twitter: "#Dragon has arrived at its 350-meter R-Bar acquisition point. Now holding for 7 minutes to facilitate a 180-degree yaw maneuver."[/ame]
Ok, everything is good. Now showing the Cupola module SSRMS computer screen view.
Back to the view of MCC control room again.
Oh, loss of comm video from TDRSS.
Textbook rerendezvous, that's the term they use.
ISS and Dragon now 250 miles now, and will cross Australia, NZ and southern Pacific soon.
Confirmed at 250m hold point.
[ame="https://twitter.com/ISS101/status/834694323660869632"]ISS Updates on Twitter: "#Dragon has arrived at the 250-meter hold point. Now pausing the approach for configuration of the Proximity Navigation System. 15-min hold."[/ame]
Dragon seems to be in orbital sunset. It is late evening in the Pacific now.
[ame="https://twitter.com/ISS101/status/834695676273504256"]ISS Updates on Twitter: "Mission Control Houston & Hawthorne have given a GO for #Dragon approach into the Keep Out Sphere. https://t.co/6SCYjcTQob"[/ame]
Now moving away from the 250m point. Next hold point is 100m away from the ISS.
About 8:30 minutes ahead of schedule. So installation coverage might be brought forward (earlier).
I notice that the approach speed is constant at around 0.15m/s. Now approximately 200m away from the ISS.
Don't understand how to interpret the values displayed on the Cupola module screen. No worries. Here is an informative tweet from ISS101.
[ame="https://twitter.com/ISS101/status/834696946044510208"]ISS Updates on Twitter: "Quick primer on the robotics display seen on NASA TV. #Dragon https://t.co/yKcuVteYLq"[/ame]
Now in 200m Keeps-out Sphere. The crew may abort the approach if complications arise.
[ame="https://twitter.com/ISS101/status/834697492088356865"]ISS Updates on Twitter: "#Dragon now inside the Keep Out Sphere. Approach from 250 to 30 meters takes around 33 minutes."[/ame]
[ame="https://twitter.com/ISS101/status/834697799824465921"]ISS Updates on Twitter: "Inside 200m, the ISS crew has the authority to command an abort in case #Dragon drifts out of the corridor & there is no comm with Houston."[/ame]
160m
150m
Thomas Pesquet and Shane Kimbrough are the astronauts-in-charge for today's rendezvous and berthing of Dragon.
Now approaching orbital sunrise in South America. 250 miles high. 120m below ISS. Everything on track. Arrive at 19 minutes from now.
Now at 100m mark.
Now north of Chille.
11 minutes away from arrival at 30m mark
Now 250 miles above Amazon forest in Brazil. By a coincidence, it will cross directly over ESA's French Guinea spaceport.
60m.
6 minutes to 30m mark below the ISS.
[ame="https://twitter.com/ISS101/status/834703227891380224"]ISS Updates on Twitter: "Lovely views of #Dragon flying along the terminator line over South America. https://t.co/6SCYjcTQob https://t.co/roFZ5rZYEG"[/ame]
Now 250 miles above the Atlantic and will cross the west coast of France soon.
2.5 minutes to 30m mark.
30 seconds to go.
Ok, Now in 30m mark. In Hold position. Dragon fired its thrusters to hold. Ready for maneuver to high hover.
[ame="https://twitter.com/ISS101/status/834704548031787008"]ISS Updates on Twitter: "#Dragon now at the 30-meter Hold Point for a final verification of its navigation system prior to final approach. https://t.co/6SCYjcTQob https://t.co/ozTDa0Dkky"[/ame]
A typical hold like this will last for about 20 minutes.
Dragon and ISS above Europe (Border of France and Spain.)
Progress 66 craft lag behind at east of South America, east of Chile.
Great, Canadarm2 in high hover position now.
[ame="https://twitter.com/ISS101/status/834707315706171393"]ISS Updates on Twitter: "Canadarm2 now holding in its high-hover position over the Capture Point. #Dragon https://t.co/6SCYjcTQob https://t.co/MC5zd0RQQi"[/ame]
9 minutes ahead of schedule. Now leaving the 30 m mark towards ISS.
[ame="https://twitter.com/ISS101/status/834709066643623937"]ISS Updates on Twitter: "Mission Control has given a GO for final approach. It will take #Dragon ~17 minutes to cover the last 20 meters to the capture point. https://t.co/VaU9VhYEVt"[/ame]
Expected grapple time is 5:41 a.m. ET.
Arriving at capture point in about 5 minutes.
The approaching speed is now about 0.02m/s.
Opps, no comm video. Satellite signal is gone temporarily.
Video is back. 13m.
Ok, Now in CP Hold point.
[ame="https://twitter.com/ISS101/status/834713453772337152"]ISS Updates on Twitter: "#Dragon has arrived at the Capture Point and is now within reach of the Station's Robotic Arm. https://t.co/6SCYjcTQob https://t.co/dGQg4C4Hzu"[/ame]
[ame="https://twitter.com/ISS101/status/834713743384797184"]ISS Updates on Twitter: "Showing #Dragon in CP Hold Mode. There will be a Free Drift timer counting up once the spacecraft's thrusters are deactivated. https://t.co/MrEcNrAVBk"[/ame]
GO for CAPTURE!
[ame="https://twitter.com/ISS101/status/834714032472981504"]ISS Updates on Twitter: "Mission Control has given a GO for the Capture Sequence, @Thom_astro & @astro_kimbrough now working steps at their own pace. #Dragon"[/ame]
[ame="https://twitter.com/ISS101/status/834714906180087809"]ISS Updates on Twitter: "ISS now in Attitude Hold Mode without desat requests to avoid thruster activity during the capture sequence (different from Free Drift)."[/ame]
Cannadarm2 now moving.
[ame="https://twitter.com/ISS101/status/834715088682614784"]ISS Updates on Twitter: "Robotic Arm now in motion for the capture. https://t.co/6SCYjcTQob #Dragon https://t.co/uTRD9Eukav"[/ame]
2.5 meters to go.
Captured Confirmed at 5:44 a.m. ET over west coast of Australia.
[ame="https://twitter.com/ISS101/status/834715612022710272"]ISS Updates on Twitter: "CAPTURE - The #Dragon has been tamed after taking the scenic route to the Space Station, delivering 2,490kg of cargo https://t.co/6SCYjcTQob https://t.co/ZAnesLclpG"[/ame]
Great, see you during the installation coverage later.
EDIT: Now NASA TV is showing the replay of the capture of Dragon. 6.26 a.m. ET
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