Author Topic: SpaceX CRS-12 Dragon - EOM (Unberth, Entry, Splashdown) - UPDATES  (Read 13842 times)

Offline jacqmans

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CRS-12 update only thread for Dragon's EOM events.

ARTICLES:
https://www.nasaspaceflight.com/?s=CRS-12
https://www.nasaspaceflight.com/?s=SpX-12

NSF Threads for CRS-12 : Discussion / Updates / L2 Coverage July-August

NSF Articles for CRS missions :  https://www.nasaspaceflight.com/?s=CRS



External cargo: ISS-CREAM


Other SpaceX resources on NASASpaceflight:
   SpaceX News Articles (Recent)  /   SpaceX News Articles from 2006 (Including numerous exclusive Elon interviews)
   SpaceX Dragon Articles  /  SpaceX Missions Section (with Launch Manifest and info on past and future missions)
   L2 SpaceX Section


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September 11, 2017
MEDIA ADVISORY M17-106

U.S. Cargo Ship Set to Depart from International Space Station

After delivering more than 6,400 pounds of cargo, a SpaceX Dragon cargo spacecraft will depart the International Space Station on Sunday, Sept. 17. NASA Television and the agency’s website will provide live coverage of Dragon's departure beginning at 4:30 a.m. EDT.

Flight controllers will use the space station’s Canadarm2 robotic arm to detach Dragon, which arrived Aug. 16, from the Earth-facing side of the station's Harmony module. After Dragon is maneuvered into place, the spacecraft will be released by Expedition 53 Flight Engineer Paolo Nespoli of ESA (European Space Agency) with the assistance of station Commander Randy Bresnik of NASA at 4:47 a.m.

Dragon’s thrusters will be fired to move the spacecraft a safe distance from the station before SpaceX flight controllers in Hawthorne, California, command its deorbit burn. The spacecraft will splash down at about 10:16 a.m. in the Pacific Ocean, where recovery forces will retrieve Dragon and approximately 3,800 pounds of cargo. This will include science samples from human and animal research, biology and biotechnology studies, physical science investigations and education activities. The deorbit burn and splashdown will not be broadcast on NASA TV.

NASA and the Center for the Advancement of Science in Space (CASIS), the nonprofit organization that manages research aboard the U.S. national laboratory portion of the space station, will receive time-sensitive samples and begin working with researchers to process and distribute them within 48 hours of splashdown.

In the event of adverse weather conditions in the Pacific, the backup departure and splashdown date is Sept. 20.

Dragon, the only space station resupply spacecraft currently able to return to Earth intact, launched Aug. 14 on a SpaceX Falcon 9 rocket from Launch Complex 39A at NASA's Kennedy Space Center in Florida, for the company’s 12th NASA-contracted commercial resupply mission to the station.

Keep up with the International Space Station, and its research and crew, at:

https://www.nasa.gov/station
« Last Edit: 09/17/2017 12:19 AM by Chris Bergin »

Offline Raul

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Dragon C113 Hazard Area overview with landing estimation for Sunday's reentry.

Continuing trend of ever shorter Dragon reentry areas.

Offline centaurinasa

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Two days before EOM...
SSRMS has already grapple Dragon
« Last Edit: 09/15/2017 01:20 PM by centaurinasa »

Online FutureSpaceTourist

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I know this isn’t an official twitter account but I’ve found it reliable:

Quote
The CRS-12 Dragon has been un-berthed from the ISS in preperation for tomorrow's release and splashdown. #CRS12

https://twitter.com/spacexupdates/status/909184570481889282
« Last Edit: 09/16/2017 10:53 PM by FutureSpaceTourist »

Offline Chris Bergin

It's cool. He's a NSF member :)

Article shortly, then back for NASA TV coverage.


Offline centaurinasa

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SSRMS in move...
« Last Edit: 09/17/2017 06:35 AM by centaurinasa »

Offline centaurinasa

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Offline centaurinasa

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« Last Edit: 09/17/2017 06:54 AM by centaurinasa »

Offline centaurinasa

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Release minus 1hr 22

« Last Edit: 09/17/2017 07:23 AM by centaurinasa »

Offline centaurinasa

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"NASA Television coverage of the departure of the SpaceX Dragon spacecraft from the International Space Station is set to begin early Sunday morning, Sept. 17 at 4:30 a.m. EDT. Watch the spacecraft departure live at http://www.nasa.gov/live"

https://blogs.nasa.gov/spacestation/2017/09/16/nasa-tv-broadcasts-dragon-release-early-sunday/
« Last Edit: 09/17/2017 07:20 AM by centaurinasa »

Offline centaurinasa

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MCC-M to the crew:" All according to the plan, Dragon is already in release position"
« Last Edit: 09/17/2017 07:34 AM by centaurinasa »

Offline centaurinasa

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MCC-M: "Windows for release 08.40 to 09.05 UTC"

Offline centaurinasa

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Sunrise...

Offline centaurinasa

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We can heard some music on the loop...

Offline centaurinasa

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Window for release open in 29 mn...

Offline centaurinasa

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In the Cupola, crew (paolo and Randy ?) take over from ROBO controllers to support the release of Dragon

Offline Chris Bergin

NASA TV in 10 mins.

One of many options:
http://www.ustream.tv/NASAHDTV

Offline centaurinasa

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Offline Chris Bergin

MCC-H

Offline Chris Bergin

Interesting SpaceX slide for no downlink...

Offline centaurinasa

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VVO at console...

Offline Chris Bergin

Dragon looking a bit dirty....

Offline centaurinasa

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Paolo prime for release and Randy in backup position
« Last Edit: 09/17/2017 08:36 AM by centaurinasa »

Offline centaurinasa

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Mary Lawrence Flight director and Andreas Morgensen as capcom

Offline Chris Bergin

RELEASE!

Offline centaurinasa

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End Effector snares release the craft’s grapple fixture and SSRMS retreat to a safe distance.

Offline centaurinasa

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Offline centaurinasa

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One meter away

Offline Chris Bergin


Offline centaurinasa

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Offline centaurinasa

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Offline centaurinasa

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Offline centaurinasa

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2rd departure burn


Offline centaurinasa

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Offline centaurinasa

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Once outside the KOS "Keep Out Sphere", Dragon will make its 3rd and largest departure maneuver to depart the Approach Ellipsoid

Offline Chris Bergin

Departure Burn 3 coming up.

Offline centaurinasa

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Offline centaurinasa

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Offline Chris Bergin

Nice little dance as the third burn is complete.

Offline centaurinasa

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Departure burn 3 complete, Dragon out of KOS

Offline centaurinasa

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Splashdown: 14.14 UTC, (10.14 am ET)
« Last Edit: 09/17/2017 09:07 AM by centaurinasa »

Offline centaurinasa

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MCC-M: "Dragon outside of the Approach Ellipsoid"

Offline Chris Bergin

Outside of the approach ellipsoid.

9:24 AM Eastern for Deorbit burn.
10:14 AM Eastern for Splashdown.

Will be via SpaceX tweets for confirmations. Thanks again to centaurinasa for help with coverage.

Online Mapperuo

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Offline centaurinasa

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Next event is the closure of the GNC Bay Door (to protect the navigation sensors during the re-entry)

Offline centaurinasa

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ISS Config right now

Offline Chris Bergin

EOM events for CRS-12 Dragon: Deorbit Burn scheduled at this time. 10 minute Draco Thruster firing, retrograde.

Offline centaurinasa

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Deorbit burn start right now, according to the timeline
SpaceX controllers from Hawthorne send command to Draco engines for retrograde firing during 10 mn, slowing Dragon by about 100 m/s

Offline centaurinasa

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Soon, trunk section separation about 4 mn before entry interface

Offline Chris Bergin

SpaceX:
 Dragon's de-orbit burn is complete and trunk has been jettisoned. Pacific Ocean splashdown in ~30 minutes.

Offline Chris Bergin

Coming up on Entry Interface. Dragon will be protected by her PICA-X (Phenolic Impregnated Carbon Ablator) TPS (Thermal Protection System).

Offline centaurinasa

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Offline centaurinasa

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dual drogue chutes deployment

Offline centaurinasa

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And then... three Main chutes deployment

Offline Chris Bergin

Still lacking a tweet about Chutes. Normally they do.

Offline Chris Bergin

Yay!

SpaceX:
Dragon's drogue chutes have been deployed nominally.

Offline CuddlyRocket

SpaceX‏Verified account @SpaceX  41s42 seconds ago
Dragon's drogue chutes have been deployed nominally.

SpaceX‏Verified account @SpaceX  13s14 seconds ago
Dragon's three main parachutes have been deployed.
« Last Edit: 09/17/2017 02:15 PM by CuddlyRocket »

Offline centaurinasa

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Splashdown in few mn!
(image from previous flight)
« Last Edit: 09/17/2017 02:15 PM by centaurinasa »

Online ugordan

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Dragon's three main parachutes have been deployed.

https://twitter.com/SpaceX/status/909420421757378560

Online ugordan

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Good splashdown of Dragon confirmed, completing its 12th mission to and from the @Space_Station.

https://twitter.com/SpaceX/status/909420934917890048

Offline centaurinasa

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Splashdown confirmed by SpaceX  :)
« Last Edit: 09/17/2017 02:18 PM by Chris Bergin »


Offline Lar

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First reused one to return twice... nice going SpaceX
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Offline Rocket Science

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Thank you for the great detailed article gentlemen, congrats to SpaceX and NASA on a successful mission!
« Last Edit: 09/18/2017 01:46 PM by Rocket Science »
"The laws of physics are unforgiving"
~Rob, Physics instructor, aviator, vintage auto racer

Offline Endeavour126

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Any guess about the unberthing time?

Offline edkyle99

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First reused one to return twice... nice going SpaceX
Nope.  CRS-12 was a new spacecraft.  It used Dragon spacecraft C113, the 13th and final new Dragon spacecraft capsule planned to be manufactured by SpaceX.  Future missions will use refurbished recovered capsules.

 - Ed Kyle
« Last Edit: 09/18/2017 06:44 PM by edkyle99 »

Offline cppetrie

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First reused one to return twice... nice going SpaceX
Nope.  CRS-12 was a new spacecraft.  It used Dragon spacecraft C113, the 13th and final new Dragon spacecraft capsule planned to be manufactured by SpaceX.  Future missions will use refurbished recovered capsules.

 - Ed Kyle
Yes, CRS-11 was the first to reuse a capsule and land (splash) it twice.

Offline Lar

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Whoops. thanks!
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Offline Rocket Science

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Whoops. thanks!
Yeah, they all look the same to me too... ;D
"The laws of physics are unforgiving"
~Rob, Physics instructor, aviator, vintage auto racer

Offline centaurinasa

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Seems that still no image or video of the splashdown ...  :(
Does anyone have it ?
« Last Edit: 09/22/2017 10:01 AM by centaurinasa »

Online FutureSpaceTourist

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Quote
Sandy Mazza ‏Verified account @SandyMazza 3m3 minutes ago

Dragon launched Aug14 to @ISS_Research for NASA is wrapped up for a truck trip. With another Dragon from a previous mission maybe??? – at Port of Los Angeles Warehouse #1

https://twitter.com/SandyMazza/status/912718031469420544

Offline Sohl

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Quote
Sandy Mazza ‏Verified account @SandyMazza 3m3 minutes ago

Dragon launched Aug14 to @ISS_Research for NASA is wrapped up for a truck trip. With another Dragon from a previous mission maybe??? – at Port of Los Angeles Warehouse #1

https://twitter.com/SandyMazza/status/912718031469420544

That's a Dragon 2!

Offline old_sellsword

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Quote
Sandy Mazza ‏Verified account @SandyMazza 3m3 minutes ago

Dragon launched Aug14 to @ISS_Research for NASA is wrapped up for a truck trip. With another Dragon from a previous mission maybe??? – at Port of Los Angeles Warehouse #1

https://twitter.com/SandyMazza/status/912718031469420544

The Dragon 1 with the exposed CBM has been there for months, and the "Dragon 2" is just a mockup.

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