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'''STS-127''' ([[Assembly of the International Space Station|ISS assembly]] flight '''2J/A''') is the next [[Space Shuttle|space shuttle]] mission to the [[International Space Station]] (ISS).<ref name="ql1"/> It will be the 23rd flight of {{OV|105}}, and is scheduled to launch no earlier than June 17, 2009.<ref name="scrub1"/><ref name="ql1"/> The primary purpose of the STS-127 mission is to deliver and install the final two components of the [[Japanese Experiment Module]]: the [[Japanese_Experiment_Module#Exposed_Facility|Exposed Facility]] (JEM EF), and the [[Japanese_Experiment_Module#Experiment_Logistics_Module|Exposed Section]] of the Experiment Logistics Module (ELM-ES).<ref name="boeing">{{cite web|url=http://www.boeing.com/defense-space/space/hsfe_shuttle/missions/sts127/STS-127%20Spaceflight%20Notepad.pdf|title=STS-127 Spaceflight Notepad|author=[[Boeing]]|format=.pdf|date=June 6, 2009|publisher=Boeing|accessdate=June 12, 2009}}</ref><ref name="presskit"/> When ''Endeavour'' docks with ISS, it will be the first time thirteen people have been at the station at the same time.<ref name="fuels">{{cite web |url=http://www.reuters.com/article/domesticNews/idUSN0313466120090613 |title=NASA fuels space shuttle Endeavour for launch |author=Irene Klotz|publisher=[[Reuters]]|date=June 12, 2009|accessdate=June 12, 2009}}</ref> The first launch attempt on June 13, was scrubbed due to a gaseous hydrogen leak observed during tanking.<ref name="scrub1"/><ref name="scrub2"/>
'''STS-127''' ([[Assembly of the International Space Station|ISS assembly]] flight '''2J/A''') is the next [[Space Shuttle|space shuttle]] mission to the [[International Space Station]] (ISS).<ref name="ql1"/> It will be the 23rd flight of {{OV|105}}, and is scheduled to launch no earlier than June 17, 2009.<ref name="scrub1"/><ref name="ql1"/> The primary purpose of the STS-127 mission is to deliver and install the final two components of the [[Japanese Experiment Module]]: the [[Japanese_Experiment_Module#Exposed_Facility|Exposed Facility]] (JEM EF), and the [[Japanese_Experiment_Module#Experiment_Logistics_Module|Exposed Section]] of the Experiment Logistics Module (ELM-ES).<ref name="boeing">{{cite web|url=http://www.boeing.com/defense-space/space/hsfe_shuttle/missions/sts127/STS-127%20Spaceflight%20Notepad.pdf|title=STS-127 Spaceflight Notepad|author=[[Boeing]]|format=.pdf|date=June 6, 2009|publisher=Boeing|accessdate=June 12, 2009}}</ref><ref name="presskit"/> When ''Endeavour'' docks with ISS, it will be the first time thirteen people have been at the station at the same time.<ref name="fuels">{{cite web |url=http://www.reuters.com/article/domesticNews/idUSN0313466120090613 |title=NASA fuels space shuttle Endeavour for launch |author=Irene Klotz|publisher=[[Reuters]]|date=June 12, 2009|accessdate=June 12, 2009}}</ref> The first launch attempt on June 13, was scrubbed due to a gaseous hydrogen leak observed during tanking.<ref name="scrub1"/><ref name="scrub2"/> The scrubbing of this launch is of particular concern for NASA, which has planned on completing the ISS and retiring the space shuttle by the end of 2010. <ref> http://www.nasa.gov/mission_pages/station/structure/iss_manifest.html </ref> This is due to a launch window for this flight that is potentially limited by the [[beta angle]] of the ISS. If the ISS passes into beta cutoff, which will occur on the 20th of June, the mission will have to be delayed until the beta angle of the ISS passes back under 60 degrees. <ref> http://forum.nasaspaceflight.com/index.php?PHPSESSID=d9fc61d41b930bda831f0db73f6d87ac&topic=17285.msg415613#msg415613</ref>


==Crew==
==Crew==

Revision as of 14:59, 13 June 2009

Template:Launching/STS

STS-127
COSPAR ID2009-038A Edit this at Wikidata
SATCAT no.35633Edit this on Wikidata
End of mission
 

STS-127 (ISS assembly flight 2J/A) is the next space shuttle mission to the International Space Station (ISS).[2] It will be the 23rd flight of Space Shuttle Endeavour, and is scheduled to launch no earlier than June 17, 2009.[1][2] The primary purpose of the STS-127 mission is to deliver and install the final two components of the Japanese Experiment Module: the Exposed Facility (JEM EF), and the Exposed Section of the Experiment Logistics Module (ELM-ES).[4][5] When Endeavour docks with ISS, it will be the first time thirteen people have been at the station at the same time.[6] The first launch attempt on June 13, was scrubbed due to a gaseous hydrogen leak observed during tanking.[1][7] The scrubbing of this launch is of particular concern for NASA, which has planned on completing the ISS and retiring the space shuttle by the end of 2010. [8] This is due to a launch window for this flight that is potentially limited by the beta angle of the ISS. If the ISS passes into beta cutoff, which will occur on the 20th of June, the mission will have to be delayed until the beta angle of the ISS passes back under 60 degrees. [9]

Crew

Position[2][5][10] Launching Astronaut Landing Astronaut
Commander Mark L. Polansky
Third spaceflight
Pilot Douglas G. Hurley
First spaceflight
Mission Specialist 1 Christopher J. Cassidy
First spaceflight
EV3
Mission Specialist 2 Julie Payette, CSA
Second spaceflight
Flight Engineer
Mission Specialist 3 Thomas H. Marshburn
First spaceflight
EV4
Mission Specialist 4 David Wolf
Fourth spaceflight
Lead Spacewalker EV1
Mission Specialist 5 Timothy Kopra
Expedition 20
First spaceflight
EV2 		Koichi Wakata, JAXA
Expedition 20
Third spaceflight
STS-127 will mark the first time that two Canadian astronauts, Robert Thirsk and Julie Payette, are in space at the same time.

It will also set a record for the most humans in space at the same time in the same vehicle (ISS:13). It will become the 3rd occurrence of the current record of 13 humans in space at any one time (previous occurrences of 13 in space: 1. March 14, 1995 ( STS-67:7, MIR:3, Soyuz TM-21:3) and 2. March 26, 2009 (STS-119:7, ISS:3, Soyuz TMA-14:3).

Christopher Cassidy will be the 500th person in space.[11]

Mission payload

Endeavour will carry a wide variety of equipment and cargo in the payload bay, with the largest item being the Kibo Japanese Experiment Module Exposed Facility (JEM EF), and the Kibo Japanese Experiment Logistics Module - Exposed Section (ELM-ES).[5] The exposed facility is a part of Kibo that will allow astronauts to perform science experiments that are exposed to the vacuum of space. The exposed section is similar to the logistics module on the Kibo laboratory, but is not pressurized.[5] Once its payloads are transferred to the JEM EF, the ELM-ES will be returned to the payload bay.

Also inside the payload bay will be an Integrated Cargo Carrier that contains a variety of equipment and spare components for the station. The carrier contains six new batteries for installation on the P6 truss, that will be installed during two of the mission's spacewalks, as well as a spare space-to-ground antenna and a spare linear drive unit and pump module which will be stored on an external stowage platform on the station's truss during one of the spacewalks.[5]

Two satellites will also be carried by the orbiter, for deployment at the end of the mission. The Dual Autonomous Global Positioning System On-Orbit Navigator Satellite, called DRAGONSAT, will gather data on autonomous spacecraft rendezvous and docking capabilities, and consists of two picosatellites, the AggieSat2, and PARADIGM, which acquire GPS data from a device at NASA and send it to ground stations at Texas A&M University and the University of Texas at Austin.[5][12] After release, the two picosatellites will remain attached for two orbits to collect GPS data, and separate during the third orbit.[5]

A second satellite, the Atmospheric Neutral Density Experiment (ANDE-2), is part of a United States Department of Defense project flown by the Naval Research Laboratory to provide high-quality satellites, and will measure the density and composition of the low Earth orbit atmosphere while being tracked from the ground, to better predict the movement and decay of objects in orbit.[5][13] ANDE-2 consists of two spherical microsatellites, ANDE Active spacecraft (Castor) and the ANDE Passive spacecraft (Pollux), and will be tracked by the International Laser Ranging Service (ILRS) network as well as the Space Surveillance Network (SSN).[5][13] One of the satellites, Pollux, is running Arduino libraries, with its payload programmed and built by students.

Mission background

The mission marks:[2]

  • 158th American manned space flight
  • 127th shuttle mission since STS-1
  • 23rd flight of Endeavour
  • 29th shuttle mission to the ISS
  • 102nd post-Challenger mission
  • 14th post-Columbia mission

Shuttle processing

Endeavour at Launch Pad 39A

Endeavour served as the STS-400 rescue vehicle for STS-125, and was prepared for a possible liftoff from Launch Pad 39B on May 15, 2009, four days after the launch of STS-125.[14][15] After Atlantis performed the late inspection and was cleared for re-entry, Endeavour was officially released from stand-by status on Thursday, May 21 2009, and preparations for STS-127 were initiated.[16]

Endeavour moved from Launch Pad 39B to 39A on May 31 in preparation for STS-127.[17][18] The crew of STS-127 arrived at Kennedy Space Center on June 2, 2009 for the Terminal Countdown Demonstration Test (TCDT) that concluded with a full launch dress rehearsal.[18][19] The Flight Readiness Review (FRR), a meeting during which NASA managers assess mission preparations and officially set the launch date, concluded on June 3, 2009.[20] For the first time, live status updates about the FRR were published periodically during the meeting via NASA's Twitter page.[20]

The launch countdown began June 10, but on June 13 as tanking was underway, a gaseous hydrogen leak on a vent line near the Ground Umbilical Carrier Plate was observed, and the June 13 launch was scrubbed at 12:26 a.m. EDT.[1][7] A similar leak situation was seen during the first launch attempt of STS-119; the hydrogen flow control valves are used to synchronize the flow of gaseous hydrogen between the external fuel tank and the space shuttle main engines, creating an even flow.[7][21] NASA managers were scheduled to meet on June 13 to evaluate the leak, discuss steps that need to be taken, and assess a new launch date, which would be no earlier than June 17, 2009.[1][7]

See also

References

  1. ^ a b c d e Chris Bergin (June 13, 2009). "STS-127 scrubbed due to GUCP leak - launch moves to NET June 17". NASA Spaceflight.com. Retrieved June 13, 2009.
  2. ^ a b c d e f William Harwood (June 1, 2009). "STS-127 Mission Quick-Look 1". CBS News. Retrieved June 1, 2009.
  3. ^ NASA HSF (June 1, 2009). "ISS Orbital Tracking". NASA. Retrieved June 1, 2009.
  4. ^ Boeing (June 6, 2009). "STS-127 Spaceflight Notepad" (.pdf). Boeing. Retrieved June 12, 2009.
  5. ^ a b c d e f g h i NASA (June 6, 2009). "STS-127 Press Kit" (.pdf). NASA. Retrieved June 12, 2009.
  6. ^ Irene Klotz (June 12, 2009). "NASA fuels space shuttle Endeavour for launch". Reuters. Retrieved June 12, 2009.
  7. ^ a b c d NASA (June 13, 2009). "NASA RSS Feed". NASA. Retrieved June 13, 2009.
  8. ^ http://www.nasa.gov/mission_pages/station/structure/iss_manifest.html
  9. ^ http://forum.nasaspaceflight.com/index.php?PHPSESSID=d9fc61d41b930bda831f0db73f6d87ac&topic=17285.msg415613#msg415613
  10. ^ NASA (February 11, 2008). "NASA Assigns Crews for STS-127 and Expedition 19 Missions". NASA. Retrieved February 11, 2008. {{cite web}}: Unknown parameter |dateformat= ignored (help)
  11. ^ Robert Pearlman (June 12, 2009). "L+500 and counting: 500th person in space". collectspace.com. Retrieved June 12, 2009.
  12. ^ NASA (October 6, 2008). "Dual RF Astrodynamic GPS Orbital Navigator Satellite (DRAGONSat)". NASA. Retrieved June 13, 2009.
  13. ^ a b Carey Noll for NASA. "ANDE (Castor and Pollux)". NASA. Retrieved June 12, 2009.
  14. ^ NASA (December 4, 2008). "STS-125: Final Shuttle Mission to Hubble Space Telescope". NASA. Retrieved 2009-03-30.
  15. ^ NASA (July 7, 2008). "NASA Sets Launch Dates for Remaining Space Shuttle Missions". NASA. Retrieved October 13 2008. {{cite web}}: Check date values in: |accessdate= (help); Unknown parameter |dateformat= ignored (help)
  16. ^ William Harwood for CBS News (May 21, 2009). "Iffy weather forecast for Friday's shuttle landing". Spaceflightnow.com. Retrieved May 22, 2009.
  17. ^ Tariq Malik (June 1, 2009). "Endeavour moves to another launch pad". MSNBC. Retrieved June 2, 2009.
  18. ^ a b NASA HQ (May 28, 2009). "NASA Updates Shuttle Endeavour's Move to Launch Pad, TCDT". NASA. Retrieved June 2, 2009.
  19. ^ Mark Polansky (June 2, 2009). "Mark Polansky (Astro_127)". Twitter. Retrieved June 2, 2009.
  20. ^ a b NASA HQ (May 29, 2009). "NASA Sets Briefing About Shuttle Endeavour's Readiness to Launch". NASA. Retrieved June 2, 2009.
  21. ^ NASA (February, 2009). "Flow Valve Fact Sheet" (.pdf). NASA. Retrieved March 19, 2009. {{cite web}}: Check date values in: |year= (help)

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