NASASpaceFlight.com Forum
SpaceX Vehicles and Missions => SpaceX Falcon Missions Section => Topic started by: Chris Bergin on 07/01/2017 03:31 am
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CRS-11 update thread for Dragon's EOM events.
ARTICLES:
https://www.nasaspaceflight.com/?s=CRS-11
Chris Gebhardt feature article for EOM and a review of CRS-11 mission:
https://www.nasaspaceflight.com/2017/07/reused-dragon-month-long-science-bonanza/
NSF Threads for CRS-11 : Discussion (https://forum.nasaspaceflight.com/index.php?topic=42229.0) / Updates (https://forum.nasaspaceflight.com/index.php?topic=42972.0) / L2 SpaceX Missions May/June 2017 (https://forum.nasaspaceflight.com/index.php?topic=42839.0) / Party Thread (https://forum.nasaspaceflight.com/index.php?topic=42585.0)
NSF Articles for CRS missions : https://www.nasaspaceflight.com/?s=CRS
Other SpaceX resources on NASASpaceflight:
SpaceX News Articles (Recent) (http://www.nasaspaceflight.com/tag/spacex/) / SpaceX News Articles from 2006 (Including numerous exclusive Elon interviews) (http://forum.nasaspaceflight.com/index.php?topic=21862.0)
SpaceX Dragon Articles (http://www.nasaspaceflight.com/tag/dragon/) / SpaceX Missions Section (with Launch Manifest and info on past and future missions) (https://forum.nasaspaceflight.com/index.php?board=55.0)
L2 SpaceX Section (https://forum.nasaspaceflight.com/index.php?board=60.0)
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June 30, 2017
MEDIA ADVISORY M17-081
NASA Television to Air Departure of U.S. Cargo Ship from International Space Station
After delivering about 6,000 pounds of cargo, a SpaceX Dragon cargo spacecraft is set to leave the International Space Station on Sunday, July 2. NASA Television and the agency’s website will provide live coverage of Dragon's departure beginning at 11:15 a.m. EDT.
Flight controllers will use the Canadarm2 robotic arm to detach the Dragon capsule, which arrived at the station June 5, from the Earth-facing side of the station's Harmony module. After they maneuver Dragon into place, Expedition 52 Flight Engineers Jack Fischer and Peggy Whitson of NASA will command release of the spacecraft at 11:38 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 capsule will splash down about 5:16 p.m. in the Pacific Ocean. Deorbit burn and splashdown will not air on NASA TV.
Recovery forces will retrieve the capsule and its more than 4,100 pounds of returning cargo, including science samples from human and animal research, biotechnology studies, physical science investigations and education activities. NASA and the Center for the Advancement of Science in Space, the nonprofit organization that manages research aboard the U.S. national laboratory portion of the space station, will receive and process research samples, ensuring they are distributed to the appropriate facilities within 48 hours of splashdown.
In the event of adverse weather conditions in the Pacific, the backup departure date is Monday, July 3, with NASA TV coverage beginning at 2 a.m. and spacecraft release at 2:28 a.m.
Dragon, the only space station resupply spacecraft able to return to Earth intact, launched June 3 on a SpaceX Falcon 9 rocket from Launch Complex 39A at NASA's Kennedy Space Center in Florida, for the company’s 11th NASA-contracted commercial resupply mission to the station.
Get breaking news, images and features from the station at:
https://www.instagram.com/iss
and
https://www.twitter.com/Space_Station
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Second to last day of docked ops ...
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Main tasks before unberthing:
- Dragon's hatch closure
- Vestibule ops: Remove of Data & Power Jumpers
Installation of 4 Control Panel Assemblies
- Node-2 nadir hatch close
- Vestibule depress and leak check
http://spacecraft.ssl.umd.edu/design_lib/ICES01-2435.ISS_CBM.pdf
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Seems that LEE of Canadarm2 has already grappled Dragon
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Right now, Peggy working on Data & Power Jumpers removal
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Confirmation from Peggy about jumpers disconnection from Dragon
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Peggy: "Node-2 nadir hatch closed"
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MCC-H: "Go for vestibule depress"
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Depress and leak check in progress...
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MCC-H "we see a good depress"
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2fish on depress/leak check procedure
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Release of 16 bolts in 4 steps (four groups of 4)
Capture latches open
unberthing by SSRMS
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sunrise...
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Node-2 Nadir CBM, now empty ...
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Dragon and ISS CBMs
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CBM inspection before covers closed
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https://commons.m.wikimedia.org/wiki/File:Closing_of_CBM_covers.ogv
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SSRMS in release position !
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2 a.m., Monday, July 3 - Release of the SpaceX/Dragon CRS-11 Cargo Craft from the International Space Station (Release scheduled at 2:41 a.m. ET) (all channels)
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An amazing tweet as Dragon is removed from the Station:
https://twitter.com/Kam_Bahrami/status/881641843028611072
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Sunrise ...
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Dan Huot is the PAO, today
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Hazard Area (https://www.google.com/maps/d/viewer?mid=1GwvMWuWyokeVZJWqy9nNMH_Pug4&ll=28.21092463986663%2C-120.49226545156199&z=6) for today's Dragon reentry.
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Dina Contella is the Flight Director
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Jack Fisher at RWS in Cupola
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Release at 06.41 UTC
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Views....
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It appears there are currently about six employees on console in Hawthorne for the release.
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LOS
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Speaking about external payloads (NICER, MUSES and ROSA)
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19 mn to release....
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Dragon is in free drift (with its thrusters inhibited)
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Cupola RWS view
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An amazin HD view
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Release in 10 mn ...
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Go for release from MCC-H and MCC-X
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SSRMS in manual mode
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Window open.
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Snares open.
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2fish send the command to open snares of LEE
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LEE Release the FRGF (Flight Releasable Grapple Fixture)
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Release!
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SSRMS moved in safe standoff
Dragon recovered from free drift
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Dragon 1st departure burn dy Draco thrusters, along R-bar
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Departure burn 2 to accelerate Dragon’s departure
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Chris Gebhardt feature article for EOM and a review of CRS-11 mission:
https://www.nasaspaceflight.com/2017/07/reused-dragon-month-long-science-bonanza/
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As usual, some words from Jack Fisher ...
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Third and final departure burn.
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3rd and last departure burn to get Dragon out of ISS KOS
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Third burn complete
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Outside the AE.
Thanks to centaurinasa for the coverage.
EOM continues. 8:41 Eastern for splashdown.
And...
Chris Gebhardt feature article for EOM and a review of CRS-11 mission:
https://www.nasaspaceflight.com/2017/07/reused-dragon-month-long-science-bonanza/
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Dragon out of approach ellipsoid
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MCC-X in full control, now
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End of NTV coverage
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End of no exercice constraint ...
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Beautiful
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Dragon in Free Flight for about 5 hours
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The next main event, will be the closure of GNC (guidance, navigation & control) bay door at about L-1h30
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Dragon will re-enter Earth's atmosphere in ~5 hours. Splashdown at 8:12 a.m. EDT, 12:12 UTC.
https://twitter.com/spacex/status/881770191322882049 (https://twitter.com/spacex/status/881770191322882049)
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https://www.youtube.com/watch?v=aUvUomjB5Xo
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ISS config. before and after Dragon's departure.
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According to the timeline, we are about to close the GNC bay door ...
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Dragon attitude change for the deorbit burn
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No news from Space X, but Deorbit burn should be in progress (~10 mn Draco thrusters retrograde firing)
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After deorbit burn, Dragon must be in attitude for Trunk sep
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Typical for SpaceX not to tweet in a timely manner on this part of the mission.
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Dragon's de-orbit burn is complete and trunk has been jettisoned. Pacific Ocean splashdown in ~30 minutes.
https://twitter.com/SpaceX/status/881840894109818883
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Trunk jettisoned !
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EI (Entry Interface)
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Black out, PICA-X Heat Shield support temperatures of up to 1,600°C !
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If everything went well, Dual drogue chutes deployed, alt. 13.7 km (10 mn before splashdown)
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Three Main chutes deployed, alt. 3km (L-4mn)
(second image from previous flight...)
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Dragon's drogue chutes have been deployed nominally.
https://twitter.com/SpaceX/status/881847468987564033
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SpaceXVerified account @SpaceX 15s15 seconds ago
More
Dragon's main parachutes have been deployed. Splashdown in ~2 minutes.
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https://twitter.com/SpaceX/status/881847468987564033
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Dragon's main parachutes have been deployed. Splashdown in ~2 minutes.
https://twitter.com/SpaceX/status/881847727931269120
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Good splashdown of Dragon confirmed—completing first re-flight of a commercial spacecraft to and from the @Space_Station.
https://twitter.com/SpaceX/status/881848513952309248
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Splashdown confirmed! Great news and great work everyone on this thread.
Overview Article : https://www.nasaspaceflight.com/2017/07/reused-dragon-month-long-science-bonanza/ - by Chris Gebhardt.
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Excellent news. Thanks for the coverage and updates.
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Seems, this is the 1st night splashdown of Dragon's capsule...
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#CRS11 MCC-H informed #ISS crew of #SpaceX #Dragon successful splashdown.
"That's great news. Thanks for the info." - @Astro2fish
https://twitter.com/spaceflight360/status/881851156351373312 (https://twitter.com/spaceflight360/status/881851156351373312)
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Seems, this is the 1st night splashdown of Dragon's capsule...
First night splashdown of any American NASA manned program capsule.
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Was it Apollo 8 or 10 that splashed down barely moments after a sunrise?
EDIT: Apollo 10, as it turns out.
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Beautiful expanse of stars-but the “long” orange one is SpaceX-11 reentering! Congrats team for a successful splashdown & great mission!
https://twitter.com/astro2fish/status/881854457419407360 (https://twitter.com/astro2fish/status/881854457419407360)
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Any hint about the exact unberthing time?
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https://www.instagram.com/p/BWGGaYalr2W/
spacex Dragon returned home this morning after a month-long stay at the @ISS, completing the first re-flight mission of a commercial spacecraft to and from the orbiting laboratory. Its mission to the Space Station delivered almost 6,000 pounds of supplies and hardware, including critical materials to directly support dozens of the more than 250 science and research investigations that will occur during Expeditions 52 and 53. Dragon is now headed to port for a cargo handover to @nasa
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From Shorealone films https://www.flickr.com/photos/81789298@N05/ (https://www.flickr.com/photos/81789298@N05/)
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Any hint about the exact unberthing time?
...or exact landing time?
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With all the T-00:09 drama I was remiss in issuing my congrats on the successful mission and a Dragon re-flight. Thank you NSF for the coverage, article (Chris G) and great photos! 8)
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Any hint about the exact unberthing time?
...or exact landing time?
As per Spaceflight101 article the landing time was 12:14 UTC. http://spaceflight101.com/dragon-spx-11-successful-pacific-splashdown/
Can we assume 18:30 UTC (on Sunday July 2) for unberthing time?
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Just spotted this tweet from a couple of days ago:
Congrats on successful Dragon recovery. Now on to more work on Dragon retro recovery! Charlie B.
https://twitter.com/cboldenjr/status/882208648830824448 (https://twitter.com/cboldenjr/status/882208648830824448)
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Any hint about the exact unberthing time?
...or exact landing time?
... or exact cargo downmass?
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Back home with researchers, more science ahead for ‘mice-tronauts’
By: Sandy Mazza
POSTED: Saturday, July 8, 2017 - 6:47 p.m.
http://www.dailybreeze.com/science/20170708/back-home-with-researchers-more-science-ahead-for-mice-tronauts (http://www.dailybreeze.com/science/20170708/back-home-with-researchers-more-science-ahead-for-mice-tronauts)