Engineering:Cygnus NG-10

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Short description: 2018 American resupply spaceflight to the ISS
NG-10
Northrop Grumman's CRS-10 at the International Space Station.jpg
Canadarm2 grapples the S.S. John Young
NamesOA-10E (2015–2018)
Mission typeISS logistics
OperatorNorthrop Grumman
COSPAR ID2018-092A
SATCAT no.43704
Mission duration100 days, 4 minutes
Spacecraft properties
SpacecraftS.S. John Young
Spacecraft typeEnhanced Cygnus[1][2]
Manufacturer
Start of mission
Launch date17 November 2018, 09:01:31 UTC
RocketAntares 230[3]
Launch siteWallops Pad 0A
ContractorNorthrop Grumman
End of mission
DisposalDeorbited
Decay date25 February 2019, 09:05 UTC[4]
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.66°
Berthing at the International Space Station
Berthing portUnity nadir[5]
RMS capture19 November 2018, 10:28 UTC[5]
Berthing date19 November 2018, 12:31 UTC
Unberthing date8 February 2019, 14:37 UTC
RMS release8 February 2019, 16:16 UTC
Time berthed81 days, 3 hours, 45 minutes
Cargo
Mass3,350 kg (7,390 lb)[6]
Pressurised3,273 kg (7,216 lb)
Unpressurised77 kg (170 lb)
Cygnus NG-10 Patch.png
NASA insignia  
← OA-9E
NG-11 →

NG-10,[7] previously known as OA-10E, is the eleventh flight of the Northrop Grumman uncrewed resupply spacecraft Cygnus and its tenth flight to the International Space Station under the Commercial Resupply Services (CRS-1) contract with NASA.[8][9] The mission launched on 17 November 2018, at 09:01:31 UTC.[10][11] This particular mission is part of an extension of the initial CRS contract that enables NASA to cover the ISS resupply needs until the Commercial Resupply Services-2 (CRS-2) contract enters in effect.[12]

Orbital ATK and NASA jointly developed a new space transportation system to provide commercial cargo resupply services to the International Space Station (ISS). Under the Commercial Orbital Transportation System (COTS) program, then Orbital Sciences designed and built Antares, a medium-class launch vehicle; Cygnus, an advanced maneuvering spacecraft, and a Pressurized Cargo Module which is provided by Orbital's industrial partner Thales Alenia Space.[13] Northrop Grumman purchased Orbital ATK in June 2018, and it was renamed Northrop Grumman Innovation Systems.[14]

History

A bald eagle is seen atop a lightning tower next to the Northrop Grumman Antares rocket with, Cygnus spacecraft on board, at Pad-0A, 14 November 2018 at NASA's Wallops Flight Facility in Virginia.

The COTS demonstration mission was successfully conducted in September 2013, and Orbital commenced operational ISS cargo missions under the Commercial Resupply Service (CRS) program with two missions in 2014. Regrettably, the third operational mission, Cygnus CRS Orb-3, resulted was not successful due to spectacular Antares failure during launch. The company decided to discontinue the Antares 100 series and accelerate the introduction of a new propulsion. The Antares system was upgraded with newly built RD-181 first-stage engines to provide greater payload performance and increased reliability.[3]

In the meantime, the company had contracted with United Launch Alliance for an Atlas V launch of Cygnus CRS OA-4 in late 2015 from Cape Canaveral Air Force Station , Florida, with a second Atlas V Cygnus launch in 2016.[3][15] The company had planned Cygnus missions for the first (CRS OA-5), second (CRS OA-6) and fourth quarters (CRS OA-7) of 2016. Two of which flew on the new Antares 230 and one on the aforementioned second Atlas V. These three missions enabled Orbital ATK to cover their initial CRS contracted payload obligation.[15][12] This particular mission, known as NG-10, is part of an extension program that will enable NASA to cover the ISS resupply needs until the Commercial Resupply Services 2 contract enters in effect, and thus the E indicates that it actually is an extension above the originally contracted payload transport.[12]

Production and integration of Cygnus spacecraft is performed in Dulles, Virginia. The Cygnus service module is mated with the pressurized cargo module at the launch site, and mission operations are conducted from control centers in Dulles, Virginia and Houston, Texas .[13]

Spacecraft

Main page: Engineering:Cygnus (spacecraft)

This is the second-to-last of the eleven flights by Northrop Grumman under the Commercial Resupply Services contract with NASA, and it's considered an extension over the originally contracted flights. This will be the seventh flight of the Enhanced sized Cygnus PCM.[15]

In an Orbital ATK tradition, this Cygnus spacecraft was named the S.S. John Young. He was the only person to fly twice on each of three NASA programs which included Gemini, Apollo, and the Space Shuttle. John Young died on 5 January 2018 at the age of 87.

Northrop Grumman launches Cygnus NG-10

Manifest

Total weight of cargo: 3,350 kg (7,390 lb).[6]

  • Crew supplies: 1,141 kg (2,515 lb)
  • Science investigations: 1,044 kg (2,302 lb)
  • Spacewalk equipment: 31 kg (68 lb)
  • Vehicle hardware: 942 kg (2,077 lb)
  • Computer resources: 115 kg (254 lb)

SEOPS Slingshot Deployer System Cygnus NG-10 is the first mission to fly this Cubesat deployment system. The system and its Cubesats arrived at ISS on SpaceX CRS-16 and then installed by Expedition 58 on Cygnus NG-10 while berthed to ISS.[16][17]

After Cygnus leaves the station, the cargo craft will navigate to approximately 500 km (310 mi) above the Earth, approximately 100 km (62 mi) higher than the space station’s orbit. Slingshot will deploy two satellites (David and Goliath II Quantum Radar, both launched on board of the previous Dragon CRS-16 mission), that are expected to stay in orbit at least two (2) years. In addition, a mounted payload will test SlingShot’s capability to host fixed payloads for an extended period, where the payload uses Cygnus’ power, attitude control and communication capabilities.

After Cubesat deployment and conclusion of attached experiments, Northrop Grumman controllers commanded the spacecraft to a destructive re-entry over the South Pacific Ocean on 25 February 2019.

Launch and early operations

After Northrop Grumman purchased Orbital ATK in June 2018, the mission was changed from CRS OA-10E to NG-10. The Antares rocket was built and processed in the Horizontal Integration Facility (HIF) over the course of six months. The rocket was rolled out to MARS pad 0A where it was originally planned to launch 15 November 2018 but was twice delayed due to inclement weather and successfully launched on 17 November 2018.

Attempt Planned Result Turnaround Reason Decision Point Weather go (%) Notes
1 15 November 2018, 04:49:38 A.M. Delayed 24 hrs Weather 14 November 2018, 11:00 A.M. 10% Concerns over bad weather.
2 16 November 2018, 04:23:55 A.M. Delayed 24 hrs Weather 15 November 2018, 11:10 A.M. 45% Continuing concerns of bad weather.
3 17 November 2018, 04:01:31 A.M. Launch Weather 16 November 2018, 11:20 A.M. 95% Launched successfully.

See also

References

  1. ↑ Bergin, Chris (22 February 2012). "Space industry giants Orbital upbeat ahead of Antares debut". NasaSpaceFlight.com. http://www.nasaspaceflight.com/2012/02/orbital-upbeat-ahead-of-antares-debut/. 
  2. ↑ "Orbital ATK Team on Track for Fall 2015 Cygnus Mission and Antares Return to Flight in 2016". Orbital ATK. 12 August 2015. http://www.orbitalatk.com/news-room/feature-stories/CRSUpdate/default.aspx. 
  3. ↑ 3.0 3.1 3.2 Gebhardt, Chris (14 August 2015). "Orbital ATK make progress toward Return To Flight of Antares rocket". NASASpaceFlight.com. http://www.nasaspaceflight.com/2015/08/orbital-atk-progress-return-antares/. 
  4. ↑ Richardson, Derek (25 February 2019). "NG-10 Cygnus ends post-ISS mission after deploying satellites". Spaceflight Insider. https://www.spaceflightinsider.com/missions/iss/ng-10-cygnus-ends-post-iss-mission-after-deploying-satellites/. 
  5. ↑ 5.0 5.1 Clark, Stephen (19 November 2018). "Space station receives second of back-to-back cargo deliveries". Spaceflight Now. https://spaceflightnow.com/2018/11/19/space-station-receives-second-of-back-to-back-cargo-deliveries/. 
  6. ↑ 6.0 6.1 "Northrop Grumman CRS-10 Mission Overview". NASA. https://www.nasa.gov/sites/default/files/atoms/files/northrop_grumman_crs-10_overview_high_res_final.pdf#page=2.  This article incorporates text from this source, which is in the public domain.
  7. ↑ Overview - CRS-10 mission, Northrop Grumman and NASA.
  8. ↑ "Launch Schedule". Spaceflight Now. http://spaceflightnow.com/tracking/index.html. 
  9. ↑ "International Space Station Flight Schedule". Students for the Exploration and Development of Space. 15 May 2013. http://spider.seds.org/shuttle/iss-sche.html. 
  10. ↑ Malik, Tariq (14 November 2018). "Bad Weather Forces NASA, Northrop Grumman to Delay Cargo Launch to Space Station". SPACE.com. https://www.space.com/42434-antares-rocket-nasa-launch-delay-ng10.html. 
  11. ↑ Clark, Stephen (14 October 2018). "Launch schedule". Spaceflight Now. http://spaceflightnow.com/launch-schedule/. 
  12. ↑ 12.0 12.1 12.2 Leone, Dan (20 August 2015). "NASA Considering More Cargo Orders from Orbital ATK, SpaceX". SpaceNews. http://spacenews.com/nasa-considering-more-cargo-orders-from-orbital-atk-spacex/. 
  13. ↑ 13.0 13.1 "Cygnus Fact Sheet". Orbital ATK. 24 March 2015. Archived from the original. Error: If you specify |archiveurl=, you must also specify |archivedate=. https://web.archive.org/web/20150926095427/http://www.orbitalatk.com/space-systems/human-space-advanced-systems/commercial-resupply-services/docs/FS006_08_OA_3891%20Cygnus.pdf. 
  14. ↑ Erwin, Sandra (5 June 2018). "Acquisition of Orbital ATK approved, company renamed Northrop Grumman Innovation Systems". SpaceNews. http://spacenews.com/acquisition-of-orbital-atk-approved-company-renamed-northrop-grumman-innovation-systems/. 
  15. ↑ 15.0 15.1 15.2 Leone, Dan (17 August 2015). "NASA Orders Two More ISS Cargo Missions From Orbital ATK". SpaceNews. http://spacenews.com/nasa-orders-two-more-iss-cargo-missions-from-orbital-atk/. 
  16. ↑ "SlingShot Tests Small Satellite Deployment and Payload Hosting Capabilities". NASA. 7 February 2019. https://www.nasa.gov/mission_pages/station/research/news/slingshot-small-satellite-deployment-test.  This article incorporates text from this source, which is in the public domain.
  17. ↑ SEOPS PR (7 February 2019). "Slingshot Deployment Process". SEOPS, LLC. https://seopsllc.com/slingshot/slingshot-deployment-process.html. 



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