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m clean up, typo(s) fixed: 129 minute → 129-minute using AWB
Changes to reflectr new publications showing that PAN is a SIGINT, not a Comsat
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| image_caption =
| image_caption =


| mission_type = [[Communications satellite|Communications]]
| mission_type = [[SIGINT satellite|SIGINT]]
| operator = Classified
| operator = Classified (presumably NSA)
| COSPAR_ID = 2009-047A
| COSPAR_ID = 2009-047A
| SATCAT = 35815
| SATCAT = 35815
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| apsis = gee
| apsis = gee
}}
}}
'''USA-207''',<ref name="JSR-615">{{cite web|url=http://www.planet4589.org/space/jsr/back/news.615|title=Issue 615|publisher=Jonathan's Space Page|work=Jonathan's Space Report|first=Jonathan|last=McDowell|date=2009-09-10|accessdate=2009-09-11}}</ref> international COSPAR code '''2009-047A''',<ref name="SWB-671">{{cite web|url=http://nssdc.gsfc.nasa.gov/spacewarn/spx671.html|title=Spacewarn Bulletin Issue 671|publisher=NASA NSSDC|date=2009-09-30|accessdate=2011-07-06}}</ref> also known as '''PAN''', officially meaning ''Palladium At Night'',<ref name="TSR">{{cite web|url=http://www.thespacereview.com/article/1450/1|title=PAN’s labyrinth|last=Day|first=Dwayne|date=2009-08-24|publisher=The Space Review|accessdate=2009-08-31}}</ref> or '''P360'''<ref name="NH">{{cite web|url=http://www.lockheedmartin.com/data/assets/ssc/071204a.pdf|title=New Horizons|date=December 2007|publisher=Lockheed Martin|accessdate=2009-09-06|page=7 (5 of PDF)}}</ref> is a [[classified information|classified]] [[United States|American]] [[communications satellite]],<ref name="MediaAdvisory">{{cite web|url=http://www.floridatoday.com/content/blogs/space/Atlas%20V%20PAN%204Sep09%20Launch%20Media%20Advisory%2009-09-02-1.doc|title=Atlas V set for Cape Launch Sept. 8
'''USA-207''',<ref name="JSR-615">{{cite web|url=http://www.planet4589.org/space/jsr/back/news.615|title=Issue 615|publisher=Jonathan's Space Page|work=Jonathan's Space Report|first=Jonathan|last=McDowell|date=2009-09-10|accessdate=2009-09-11}}</ref> international COSPAR code '''2009-047A''',<ref name="SWB-671">{{cite web|url=http://nssdc.gsfc.nasa.gov/spacewarn/spx671.html|title=Spacewarn Bulletin Issue 671|publisher=NASA NSSDC|date=2009-09-30|accessdate=2011-07-06}}</ref> also known as '''PAN''', officially meaning ''Palladium At Night'',<ref name="TSR">{{cite web|url=http://www.thespacereview.com/article/1450/1|title=PAN’s labyrinth|last=Day|first=Dwayne|date=2009-08-24|publisher=The Space Review|accessdate=2009-08-31}}</ref> or '''P360'''<ref name="NH">{{cite web|url=http://www.lockheedmartin.com/data/assets/ssc/071204a.pdf|title=New Horizons|date=December 2007|publisher=Lockheed Martin|accessdate=2009-09-06|page=7 (5 of PDF)}}</ref> is a [[classified information|classified]] [[United States|American]] [[SIGINT satellite]],<ref name="TSRL">{{cite web|url=http://www.thespacereview.com/article/3095/1|title=A NEMESIS in the sky. PAN, Mentor 4 and close encounters of the SIGINT kind|last=Langbroek|first=Marco|date=2016-10-31|publisher=The Space Review|accessdate=2016-11-27}}</ref> which was launched in September 2009. The US government has not confirmed which of its intelligence agencies will operate the satellite.<ref name="SFN-2605">{{cite web|url=http://www.spaceflightnow.com/news/n0905/26milspace/|title=Secret PAN satellite leads Cape milspace launch surge|last=Covault|first=Craig|date=2009-05-26|publisher=Spaceflight Now|accessdate=2009-08-31}}</ref> The spacecraft was constructed by [[Lockheed Martin]], and is based on the [[A2100]] [[satellite bus]],<ref name="TSR" /> using [[commercial off-the-shelf]] components.<ref name="NH"/> The contract to build PAN was awarded in October 2006, with the satellite initially scheduled to launch 30 months later, in March 2009.<ref name="Highlights">{{cite web|url=http://www.lockheedmartin.com/data/assets/14445.pdf|title=Highlights|date=Spring 2007|publisher=Lockheed Martin Space Systems Company|pages=28 (29 of PDF)|accessdate=2009-09-06}}</ref>
|last=US Air Force 45th Space Wing|date=2009-09-04|publisher=Florida Today|accessdate=2009-09-05}}</ref> which was launched in September 2009. The US government has not confirmed which of its intelligence agencies will operate the satellite.<ref name="SFN-2605">{{cite web|url=http://www.spaceflightnow.com/news/n0905/26milspace/|title=Secret PAN satellite leads Cape milspace launch surge|last=Covault|first=Craig|date=2009-05-26|publisher=Spaceflight Now|accessdate=2009-08-31}}</ref> The spacecraft was constructed by [[Lockheed Martin]], and is based on the [[A2100]] [[satellite bus]],<ref name="TSR" /> using [[commercial off-the-shelf]] components.<ref name="NH"/> The contract to build PAN was awarded in October 2006, with the satellite initially scheduled to launch 30 months later, in March 2009.<ref name="Highlights">{{cite web|url=http://www.lockheedmartin.com/data/assets/14445.pdf|title=Highlights|date=Spring 2007|publisher=Lockheed Martin Space Systems Company|pages=28 (29 of PDF)|accessdate=2009-09-06}}</ref>


PAN was launched by [[United Launch Alliance]] using an [[Atlas V]] 401 carrier rocket, with the serial number AV-018. The launch, from [[Cape Canaveral Air Force Station Space Launch Complex 41|Space Launch Complex 41]] at the [[Cape Canaveral Air Force Station]], occurred at 21:35 GMT on 8 September 2009, at the start of a 129-minute launch window.<ref name="SFN-LS">{{cite web|url=http://www.spaceflightnow.com/tracking/index.html|title=Worldwide Launch Schedule|last=Clark|first=Stephen|publisher=Spaceflight Now|accessdate=2009-08-31}}</ref> PAN successfully separated from the rocket just under two hours after liftoff.<ref name="SC-NextLaunch">{{cite web|url=http://www.space.com/missionlaunches/launches/next_launch.html|title=Atlas 5 Rocket to Secret Satellite <nowiki>[</nowiki>''sic''<nowiki>]</nowiki>|last=Malik|first=Tariq|date=2009-08-30|publisher=Space.com|accessdate=2009-08-31|archiveurl=http://www.webcitation.org/5jRi8wiAc|archivedate=2009-08-31}}</ref>
PAN was launched by [[United Launch Alliance]] using an [[Atlas V]] 401 carrier rocket, with the serial number AV-018. The launch, from [[Cape Canaveral Air Force Station Space Launch Complex 41|Space Launch Complex 41]] at the [[Cape Canaveral Air Force Station]], occurred at 21:35 GMT on 8 September 2009, at the start of a 129-minute launch window.<ref name="SFN-LS">{{cite web|url=http://www.spaceflightnow.com/tracking/index.html|title=Worldwide Launch Schedule|last=Clark|first=Stephen|publisher=Spaceflight Now|accessdate=2009-08-31}}</ref> PAN successfully separated from the rocket just under two hours after liftoff.<ref name="SC-NextLaunch">{{cite web|url=http://www.space.com/missionlaunches/launches/next_launch.html|title=Atlas 5 Rocket to Secret Satellite <nowiki>[</nowiki>''sic''<nowiki>]</nowiki>|last=Malik|first=Tariq|date=2009-08-30|publisher=Space.com|accessdate=2009-08-31|archiveurl=http://www.webcitation.org/5jRi8wiAc|archivedate=2009-08-31}}</ref>


PAN has shown an unusual history of frequent relocations, moving between at least 8 different orbital slots since launch: as of January 2013 it is located at 42.5 deg E.,<ref name="SatTrackCam">{{cite web|url=http://sattrackcam.blogspot.nl/2013/04/pan-and-mentor-4-in-march.html|title=SatTrackCam|accessdate=2013-04-23}}</ref> over East Africa.
PAN has shown an unusual history of frequent relocations, moving between at least 9 different orbital slots since launch. With each move, it was placed close to another commercial communications satellite<ref name="TSRL">{{cite web|url=http://www.thespacereview.com/article/3095/1|title=A NEMESIS in the sky. PAN, Mentor 4 and close encounters of the SIGINT kind|last=Langbroek|first=Marco|date=2016-10-31|publisher=The Space Review|accessdate=2016-11-27}}</ref>. As of late 2013 it is located at 47.7 deg E., over East Africa.
[[File:PAN satellite patch.jpg|thumb|right|Launch patch of PAN. Note the questionmark in the exhaust plume]]
[[File:PAN satellite patch.jpg|thumb|right|Launch patch of PAN. Note the questionmark in the exhaust plume]]
[[File:PAN geostationary 04072011.jpg|thumb|The geostationary satellite PAN (2009-047A), along with two other (commercial) geostationary satellites photographed on 4 July 2011 (photo: Marco Langbroek, Leiden, the Netherlands)]]
[[File:PAN geostationary 04072011.jpg|thumb|The geostationary satellite PAN (2009-047A), along with two other (commercial) geostationary satellites photographed on 4 July 2011 (photo: Marco Langbroek, Leiden, the Netherlands)]]

Revision as of 18:35, 27 November 2016

USA-207
Mission typeSIGINT
OperatorClassified (presumably NSA)
COSPAR ID2009-047A Edit this at Wikidata
SATCAT no.35815
Spacecraft properties
BusA2100
ManufacturerLockheed Martin[1]
Start of mission
Launch date8 September 2009, 21:35:00 (2009-09-08UTC21:35Z) UTC[2]
RocketAtlas V 401
Launch siteCape Canaveral SLC-41
ContractorULA
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Perigee altitude35,778 kilometers (22,231 mi)[3]
Apogee altitude35,807 kilometers (22,249 mi)[3]
Inclination0.09 degrees[3]
Period1436.12 minutes[3]
Epoch10 January 2015, 14:22:18 UTC[3]

USA-207,[4] international COSPAR code 2009-047A,[5] also known as PAN, officially meaning Palladium At Night,[6] or P360[7] is a classified American SIGINT satellite,[8] which was launched in September 2009. The US government has not confirmed which of its intelligence agencies will operate the satellite.[9] The spacecraft was constructed by Lockheed Martin, and is based on the A2100 satellite bus,[6] using commercial off-the-shelf components.[7] The contract to build PAN was awarded in October 2006, with the satellite initially scheduled to launch 30 months later, in March 2009.[10]

PAN was launched by United Launch Alliance using an Atlas V 401 carrier rocket, with the serial number AV-018. The launch, from Space Launch Complex 41 at the Cape Canaveral Air Force Station, occurred at 21:35 GMT on 8 September 2009, at the start of a 129-minute launch window.[11] PAN successfully separated from the rocket just under two hours after liftoff.[12]

PAN has shown an unusual history of frequent relocations, moving between at least 9 different orbital slots since launch. With each move, it was placed close to another commercial communications satellite[8]. As of late 2013 it is located at 47.7 deg E., over East Africa.

Launch patch of PAN. Note the questionmark in the exhaust plume
The geostationary satellite PAN (2009-047A), along with two other (commercial) geostationary satellites photographed on 4 July 2011 (photo: Marco Langbroek, Leiden, the Netherlands)

References

  1. ^ Ray, Justin (9 July 2009). "Atlas rocket team continues active year of launches". Spaceflight Now. Retrieved 31 August 2009.
  2. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 21 January 2014.
  3. ^ a b c d e Peat, Chris (10 January 2015). "USA 207 - Orbit". Heavens-Above. Retrieved 25 January 2015.
  4. ^ McDowell, Jonathan (10 September 2009). "Issue 615". Jonathan's Space Report. Jonathan's Space Page. Retrieved 11 September 2009.
  5. ^ "Spacewarn Bulletin Issue 671". NASA NSSDC. 30 September 2009. Retrieved 6 July 2011.
  6. ^ a b Day, Dwayne (24 August 2009). "PAN's labyrinth". The Space Review. Retrieved 31 August 2009.
  7. ^ a b "New Horizons" (PDF). Lockheed Martin. December 2007. p. 7 (5 of PDF). Retrieved 6 September 2009.
  8. ^ a b Langbroek, Marco (31 October 2016). "A NEMESIS in the sky. PAN, Mentor 4 and close encounters of the SIGINT kind". The Space Review. Retrieved 27 November 2016.
  9. ^ Covault, Craig (26 May 2009). "Secret PAN satellite leads Cape milspace launch surge". Spaceflight Now. Retrieved 31 August 2009.
  10. ^ "Highlights" (PDF). Lockheed Martin Space Systems Company. Spring 2007. pp. 28 (29 of PDF). Retrieved 6 September 2009.
  11. ^ Clark, Stephen. "Worldwide Launch Schedule". Spaceflight Now. Retrieved 31 August 2009.
  12. ^ Malik, Tariq (30 August 2009). "Atlas 5 Rocket to Secret Satellite [sic]". Space.com. Archived from the original on 31 August 2009. Retrieved 31 August 2009.

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