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OA-5
	Canadarm2 grapples the S.S. Alan Poindexter.
Names	CRS OA-5; CRS Orb-5 (2008–2015); Orbital-5 (2008–2015)
Mission type	ISS resupply
Operator	Orbital ATK
COSPAR ID	2016-062A
SATCAT no.	41818
Mission duration	40 days, 23 hours, 51 minutes
Spacecraft properties
Spacecraft	S.S. Alan Poindexter
Spacecraft type	Enhanced Cygnus
Manufacturer	Orbital ATK; Thales Alenia Space;
Launch mass	6,172 kg (13,607 lb)
Start of mission
Launch date	17 October 2016, 23:45:36 UTC (7:45:36 pm EDT)
Rocket	Antares 230
Launch site	MARS, Pad 0A
End of mission
Disposal	Deorbited
Decay date	27 November 2016, 23:36 UTC
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Inclination	51.66°
Berthing at ISS
Berthing port	Unity nadir
RMS capture	23 October 2016, 11:28 UTC
Berthing date	23 October 2016, 14:53 UTC
Unberthing date	21 November 2016, 11:25 UTC
RMS release	21 November 2016, 13:22 UTC
Time berthed	28 days, 20 hours, 32 minutes
Cargo
Mass	2,425 kg (5,346 lb)
Pressurised	2,342 kg (5,163 lb)
Unpressurised	83 kg (183 lb)
	; NASA (left) and Orbital ATK (right) insignias Commercial Resupply Services ← SpaceX CRS-9 SpaceX CRS-10 → Cygnus flights ← OA-6 OA-7 →

OA-5, previously known as Orbital-5, was the seventh planned flight of the Orbital Sciences' uncrewed resupply spacecraft Cygnus and its sixth flight to the International Space Station under the Commercial Resupply Services contract with NASA.^[13]^[14] The mission launched on 17 October 2016 at 23:45:36 UTC. Orbital Sciences 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, Orbital 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.^[15]

The Cygnus spacecraft for this mission is named the S.S. Alan Poindexter in honor to astronaut Alan G. Poindexter, a deceased Space Shuttle commander.^[16] Poindexter was selected in the 1998 NASA Group (G17) and went into orbit aboard Space Shuttle missions STS-122 and STS-131.

History

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 Orb-3, 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 system. The Antares system is being upgraded with newly built RD-181 first stage engines to provide greater payload performance and increased reliability.^[17]

In late 2014, Orbital Sciences contracted United Launch Alliance for an Atlas V launch of Cygnus CRS OA-4 in late 2015 from Cape Canaveral, Florida, and with a second Atlas V launch of Cygnus in 2016.^[17]^[18] The company plans three Cygnus missions in 2016, in the first (Cygnus CRS OA-6), third (Cygnus CRS OA-5) and fourth quarters (Cygnus OA-7) of 2016. The Cygnus OA-5 and OA-7 will fly on the new Antares 230 and OA-6 will fly on second Atlas V in first quarter of 2016. These three missions enable Orbital ATK to fulfill their CRS contracted payload obligation.^[18] This particular mission is known as OA-5.

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.^[15]

Spacecraft

This was the sixth of ten flights by Orbital ATK under the Commercial Resupply Services (CRS) contract with NASA. This was the third flight of the Enhanced sized Cygnus PCM.^[18] The mission successfully launched on 17 October 2016, 23:45 UTC.^[4]

In keeping with an Orbital ATK tradition, this Cygnus spacecraft is named the S.S. Alan Poindexter after the NASA astronaut who flew aboard the Space Shuttle twice (2008 and 2010).

Manifest

Total cargo mass on ascent: 2,425 kg (5,346 lb) ^[3]

Pressurized cargo with packaging: 2,342 kg (5,163 lb) ^[12]
- Science investigations: 498 kg (1,098 lb)
- Crew supplies: 585 kg (1,290 lb)
- Vehicle hardware: 1,023 kg (2,255 lb)
- Spacewalk equipment: 5 kg (11 lb)
- Computer resources: 56 kg (123 lb)
- Russian hardware: 42 kg (93 lb)
Unpressurized cargo (CubeSats): 83 kg (183 lb)
Total cargo on descent (destructive): 1,687 kg (3,719 lb)

Other OA projects

NASA had planned the next Cygnus flight, Cygnus CRS OA-7, for 30 December 2016. However, in October 2016, it was announced that OA-7 was being delayed until March 2017 and switched from the Antares launch vehicle to a United Launch Alliance Atlas V rocket to provide additional cargo up mass for NASA.^[19]

In 2015, under the NASA CRS-1 contract, Orbital Sciences was awarded three extension flights for 2017 and 2018. The Cygnus CRS OA-8E flight has tentatively been scheduled for 12 June 2017, followed by Cygnus OA-9E later that year and OA-10E in 2018. Cargo vehicle scheduling is dynamic with the ISS partners. The schedule will be influenced by the first USA crewed commercial flights (SpaceX, Boeing) to ISS since Space Shuttle retirement in 2011.^[14]^[20]

Cubesat release

On 25 November 2016, after leaving the ISS, the spacecraft raised its orbit to 500 kilometers and released four Lemur-2 cubesats for Spire Global.^[21]

References

^ Bergin, Chris (22 February 2012). "Space industry giants Orbital upbeat ahead of Antares debut". NasaSpaceFlight.com. Retrieved 29 March 2012.
^ "Orbital ATK Team on Track for Fall 2015 Cygnus Mission and Antares Return to Flight in 2016". Orbital ATK. 12 August 2015. Retrieved 12 August 2015.
^ ^a ^b ^c "OA-5 Mission: Fact Sheet" (PDF). Orbital ATK. Archived from the original (PDF) on 20 October 2016. Retrieved 10 October 2016.
^ ^a ^b ^c "OA-5 Mission Page" (PDF). Orbital ATK. 15 October 2016. Archived from the original on 28 April 2017. Retrieved 17 October 2016.
^ "Launch Schedule". spaceflightnow.com. Retrieved 25 June 2016.
^ Scimemi, Sam (July 2015). "International Space Station Status" (PDF). NASA. Retrieved 15 August 2015. This article incorporates text from this source, which is in the public domain.
^ "Cygnus Spacecraft arrives at ISS for Month-Long Cargo Delivery Mission". Spaceflight101.com. 23 October 2016. Retrieved 3 January 2018.
^ Garcia, Mark (23 October 2017). "Cygnus Attached to Station's Unity Module". NASA. Archived from the original on 7 May 2019. Retrieved 3 January 2018. This article incorporates text from this source, which is in the public domain.
^ Todd, David (25 November 2016). "Cygnus OA-5 comings and goings as it leaves ISS to later release Lemur cubesats". Seradata. Retrieved 3 January 2018.
^ "Cygnus Cargo Craft departs Space Station for In-Space Fire Experiment and Satellite Deployments". Spaceflight101.com. 21 November 2016. Retrieved 3 January 2018.
^ Garcia, Mark (21 November 2016). "Astronauts Release Cygnus Space Freighter From Station". NASA. Archived from the original on 12 November 2019. Retrieved 3 January 2018. This article incorporates text from this source, which is in the public domain.
^ ^a ^b ^c "Orbital ATK CRS-5 Mission Overview" (PDF). NASA. 2016. Retrieved 3 January 2018. This article incorporates text from this source, which is in the public domain.
^ "Worldwide launch schedule". Spaceflight Now. Retrieved 12 February 2015.
^ ^a ^b "International Space Station Flight Schedule". Students for the Exploration and Development of Space. NASA. 15 May 2015. This article incorporates text from this source, which is in the public domain.
^ ^a ^b "Cygnus Fact Sheet" (PDF). Orbital ATK. 24 March 2015. Archived from the original (PDF) on 26 September 2015. Retrieved 14 August 2015.
^ "S.S. Alan Poindexter: Orbital ATK freighter named for late shuttle astronaut". collectSPACE. 7 June 2015.
^ ^a ^b Gebhardt, Chris (14 August 2015). "Orbital ATK make progress toward Return To Flight of Antares rocket". nasaspaceflight.com. Retrieved 14 August 2015.
^ ^a ^b ^c Leone, Dan (17 August 2015). "NASA Orders Two More ISS Cargo Missions From Orbital ATK". SpaceNews. Retrieved 17 August 2015.
^ "As OA-7 Cygnus moves to Atlas V, high praise noted for Antares RTF". 14 November 2016.
^ Krebs, Gunter Dirk (18 August 2015). "Cygnus-PCM (enhanced)". Gunter's Space Page. Retrieved 18 August 2015.
^ Foust, Jeff (26 November 2016). "Spire deploys four satellites from Cygnus". SpaceNews.

[nsf-20120222-1] Bergin, Chris (22 February 2012). "Space industry giants Orbital upbeat ahead of Antares debut". NasaSpaceFlight.com. Retrieved 29 March 2012.

[orbatkpr-20150812a-2] "Orbital ATK Team on Track for Fall 2015 Cygnus Mission and Antares Return to Flight in 2016". Orbital ATK. 12 August 2015. Retrieved 12 August 2015.

[orbatk-oa5-3] "OA-5 Mission: Fact Sheet" (PDF). Orbital ATK. Archived from the original (PDF) on 20 October 2016. Retrieved 10 October 2016.

[OA-5_Mission_Page-4] "OA-5 Mission Page" (PDF). Orbital ATK. 15 October 2016. Archived from the original on 28 April 2017. Retrieved 17 October 2016.

[sfn-launchtracker2015-5] "Launch Schedule". spaceflightnow.com. Retrieved 25 June 2016.

[nasaheoc-scimemi201507-6] Scimemi, Sam (July 2015). "International Space Station Status" (PDF). NASA. Retrieved 15 August 2015. This article incorporates text from this source, which is in the public domain.

[sf101-20161023-7] "Cygnus Spacecraft arrives at ISS for Month-Long Cargo Delivery Mission". Spaceflight101.com. 23 October 2016. Retrieved 3 January 2018.

[nasa20161023-8] Garcia, Mark (23 October 2017). "Cygnus Attached to Station's Unity Module". NASA. Archived from the original on 7 May 2019. Retrieved 3 January 2018. This article incorporates text from this source, which is in the public domain.

[sera20161125-9] Todd, David (25 November 2016). "Cygnus OA-5 comings and goings as it leaves ISS to later release Lemur cubesats". Seradata. Retrieved 3 January 2018.

[sf101-20161121-10] "Cygnus Cargo Craft departs Space Station for In-Space Fire Experiment and Satellite Deployments". Spaceflight101.com. 21 November 2016. Retrieved 3 January 2018.

[nasa20161121-11] Garcia, Mark (21 November 2016). "Astronauts Release Cygnus Space Freighter From Station". NASA. Archived from the original on 12 November 2019. Retrieved 3 January 2018. This article incorporates text from this source, which is in the public domain.

[mission-overview-12] "Orbital ATK CRS-5 Mission Overview" (PDF). NASA. 2016. Retrieved 3 January 2018. This article incorporates text from this source, which is in the public domain.

[sfn-launchtracker-13] "Worldwide launch schedule". Spaceflight Now. Retrieved 12 February 2015.

[seds-issschedule-14] "International Space Station Flight Schedule". Students for the Exploration and Development of Space. NASA. 15 May 2015. This article incorporates text from this source, which is in the public domain.

[orbatkbr-fs00608oa3891-15] "Cygnus Fact Sheet" (PDF). Orbital ATK. 24 March 2015. Archived from the original (PDF) on 26 September 2015. Retrieved 14 August 2015.

[16] "S.S. Alan Poindexter: Orbital ATK freighter named for late shuttle astronaut". collectSPACE. 7 June 2015.

[nsf-20150814-17] Gebhardt, Chris (14 August 2015). "Orbital ATK make progress toward Return To Flight of Antares rocket". nasaspaceflight.com. Retrieved 14 August 2015.

[sn-20150817-18] Leone, Dan (17 August 2015). "NASA Orders Two More ISS Cargo Missions From Orbital ATK". SpaceNews. Retrieved 17 August 2015.

[19] "As OA-7 Cygnus moves to Atlas V, high praise noted for Antares RTF". 14 November 2016.

[gsp-cygnuspcme-20] Krebs, Gunter Dirk (18 August 2015). "Cygnus-PCM (enhanced)". Gunter's Space Page. Retrieved 18 August 2015.

[spacenews-20161126-21] Foust, Jeff (26 November 2016). "Spire deploys four satellites from Cygnus". SpaceNews.

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PROFILPELAJAR.COM

Cygnus OA-5

History

Spacecraft

Manifest

Other OA projects

Cubesat release

See also

References

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