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{{short description|US spy satellite}}
{{short description|US spy satellite}}
{{Use mdy dates|date=August 2023}}


{{More citations needed|date=January 2021}}
{{Infobox spaceflight
{{Infobox spaceflight
| name = USA-268
| name = USA-268
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| spacecraft =
| spacecraft =
| spacecraft_type = [[Orion (satellite)|Advanced Orion]]
| spacecraft_type = [[Orion (satellite)|Advanced Orion]]
| launch_date = {{start-date|11 June 2016, 17:51|timezone=yes}} UTC
| launch_date = {{start-date|June 11, 2016, 17:51|timezone=yes}} UTC
| launch_rocket = [[Delta IV Heavy]]
| launch_rocket = [[Delta IV Heavy]]
| launch_site = [[Cape Canaveral Air Force Station Space Launch Complex 37|Cape Canaveral SLC-37B]]
| launch_site = [[Cape Canaveral Air Force Station Space Launch Complex 37|Cape Canaveral SLC-37B]]
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| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_regime = [[Geostationary orbit|Geostationary]]
| orbit_regime = [[Geostationary orbit|Geostationary]]
| orbit_periapsis = {{convert|35563|km|mi|sp=us}}
| orbit_periapsis = {{convert|35587|km|mi|sp=us}}<ref name="n2yo-usa268" />
| orbit_apoapsis = {{convert|36024|km|mi|sp=us}}
| orbit_apoapsis = {{convert|36002|km|mi|sp=us}}<ref name="n2yo-usa268" />
| orbit_semimajor = {{convert|42165|km|mi|sp=us}}<ref name="n2yo-usa268" />
| orbit_inclination = 6.6&nbsp;degrees
| orbit_inclination = 6.3&nbsp;degrees<ref name="n2yo-usa268" />
| orbit_period = 1436.1&nbsp;minutes
| orbit_period = 1436.1&nbsp;minutes<ref name="n2yo-usa268" />
| apsis = gee
| apsis = gee
| insignia =
| insignia =
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}}
}}


'''USA-268''', also known as '''NROL-37''', is an American [[signals intelligence]] [[Reconnaissance satellite|satellite]]. Though officially classified, it is known to be an [[Orion (satellite)|Advanced Orion]] satellite, making it one of the largest and most expensive satellites ever built.<ref>{{Cite web|title=NROL-37 Satellite – Delta IVH – NROL-37 {{!}} Spaceflight101|url=https://spaceflight101.com/delta-iv-nrol-37/nrol-37-satellite/|access-date=2020-09-29|language=en-US}}</ref>
'''USA-268''', also known as '''NROL-37''',<ref name="floridatoday-20160612" /> is an American [[signals intelligence]] [[Reconnaissance satellite|satellite]]. Though officially classified, it is presumed to be an [[Orion (satellite)|Advanced Orion]] satellite, making it one of the largest and most expensive satellites ever built.<ref name="101-id-nrol37" />


== Launch ==
== Launch ==


USA-268 was launched at 17:51 UTC on 11 June 2016 from [[Cape Canaveral Air Force Station Space Launch Complex 37|Space Launch Complex 37B]]. It was the ninth flight of a [[Delta IV Heavy]], and the fifth carrying an Advanced Orion.<ref>{{Cite web|last=Alliance|first=United Launch|title=United Launch Alliance Successfully Launches NROL-37 Payload for the National Reconnaissance Office|url=https://www.prnewswire.com/news-releases/united-launch-alliance-successfully-launches-nrol-37-payload-for-the-national-reconnaissance-office-300283386.html|access-date=2020-09-29|website=www.prnewswire.com|language=en}}</ref>
USA-268 was launched at 17:51 UTC on June 11, 2016<ref name="orlsentinel-20160612" /> from [[Cape Canaveral Air Force Station Space Launch Complex 37|Space Launch Complex 37B]], on its second attempt.<ref name="floridatoday-20160612" /> It was the ninth flight of a [[Delta IV Heavy]],<ref name="floridatoday-20160612" /> and the fifth carrying an Advanced Orion.<ref name="ula-20160611" />


== See also ==
== See also ==
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== References ==
== References ==
{{reflist|refs=
⚫
{{reflist}}{{NRO Launches}}{{Orbital launches in 2016}}

<ref name="101-id-nrol37">{{Cite web|title=Identifying the classified NROL-37 Satellite |url=https://spaceflight101.com/delta-iv-nrol-37/nrol-37-satellite/ |access-date=September 29, 2020 |last1=Blau |first1=Patrick |year=2016 |archive-url=https://web.archive.org/web/20230813185116/https://spaceflight101.com/delta-iv-nrol-37/nrol-37-satellite/ |archive-date=August 13, 2023 |url-status=live |website=Spaceflight101 }}</ref>

<ref name="floridatoday-20160612">{{cite news |last1=Dean |first1=James |title=No secret: Delta IV lofts spy satellite |url=https://www.newspapers.com/article/florida-today-no-secret-delta-iv-lofts/130906678/ |access-date=August 30, 2023 |work=[[Florida Today]] |date=June 12, 2016 |archive-url=https://web.archive.org/web/20230830095609/https://www.newspapers.com/article/florida-today-no-secret-delta-iv-lofts/130906678/ |archive-date=August 30, 2023 |url-status=live |via=Newspapers.com }}</ref>

<ref name="n2yo-usa268">{{cite web |title=USA 268 |url=https://www.n2yo.com/satellite/?s=41584 |website=N2YO.com |access-date=August 30, 2023 |archive-url=https://web.archive.org/web/20230331003506/https://www.n2yo.com/satellite/?s=41584 |archive-date=March 31, 2023 |url-status=live}}</ref>

<ref name="orlsentinel-20160612">{{cite news |last1=Speck |first1=Emilee |title=Delta IV rocket launches from Cape carrying U.S. spy satellite |url=https://www.newspapers.com/article/the-orlando-sentinel-delta-iv-rocket-lau/130906976/ |access-date=August 30, 2023 |work=[[Orlando Sentinel]] |date=June 12, 2016 |archive-url=https://web.archive.org/web/20230830102920/https://www.newspapers.com/article/the-orlando-sentinel-delta-iv-rocket-lau/130906976/ |archive-date=August 30, 2023 |url-status=live |via=Newspapers.com }}</ref>

<ref name="ula-20160611">{{Cite press release |publisher=[[United Launch Alliance]] |title=United Launch Alliance Successfully Launches NROL-37 Payload for the National Reconnaissance Office|url=https://www.prnewswire.com/news-releases/united-launch-alliance-successfully-launches-nrol-37-payload-for-the-national-reconnaissance-office-300283386.html|access-date=September 29, 2020 |via=[[PR Newswire]] |date=June 11, 2016 |archive-url=https://web.archive.org/web/20230830100430/https://www.prnewswire.com/news-releases/united-launch-alliance-successfully-launches-nrol-37-payload-for-the-national-reconnaissance-office-300283386.html |archive-date=August 30, 2023 |url-status=live }}</ref>

⚫
}}{{NRO Launches}}{{Orbital launches in 2016}}


[[Category:Reconnaissance satellites of the United States]]
[[Category:Reconnaissance satellites of the United States]]

Latest revision as of 10:36, 30 August 2023

USA-268
Launch of USA-268
Mission typeSignals intelligence
OperatorNational Reconnaissance Office
COSPAR ID2016-036A Edit this at Wikidata
SATCAT no.41584
Spacecraft properties
Spacecraft typeAdvanced Orion
Start of mission
Launch dateJune 11, 2016, 17:51 (2016-06-11UTC17:51Z) UTC
RocketDelta IV Heavy
Launch siteCape Canaveral SLC-37B
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Semi-major axis42,165 kilometers (26,200 mi)[1]
Perigee altitude35,587 kilometers (22,113 mi)[1]
Apogee altitude36,002 kilometers (22,371 mi)[1]
Inclination6.3 degrees[1]
Period1436.1 minutes[1]
 

USA-268, also known as NROL-37,[2] is an American signals intelligence satellite. Though officially classified, it is presumed to be an Advanced Orion satellite, making it one of the largest and most expensive satellites ever built.[3]

Launch[edit]

USA-268 was launched at 17:51 UTC on June 11, 2016[4] from Space Launch Complex 37B, on its second attempt.[2] It was the ninth flight of a Delta IV Heavy,[2] and the fifth carrying an Advanced Orion.[5]

See also[edit]

References[edit]

  1. ^ a b c d e "USA 268". N2YO.com. Archived from the original on March 31, 2023. Retrieved August 30, 2023.
  2. ^ a b c Dean, James (June 12, 2016). "No secret: Delta IV lofts spy satellite". Florida Today. Archived from the original on August 30, 2023. Retrieved August 30, 2023 – via Newspapers.com.
  3. ^ Blau, Patrick (2016). "Identifying the classified NROL-37 Satellite". Spaceflight101. Archived from the original on August 13, 2023. Retrieved September 29, 2020.
  4. ^ Speck, Emilee (June 12, 2016). "Delta IV rocket launches from Cape carrying U.S. spy satellite". Orlando Sentinel. Archived from the original on August 30, 2023. Retrieved August 30, 2023 – via Newspapers.com.
  5. ^ "United Launch Alliance Successfully Launches NROL-37 Payload for the National Reconnaissance Office" (Press release). United Launch Alliance. June 11, 2016. Archived from the original on August 30, 2023. Retrieved September 29, 2020 – via PR Newswire.


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