Editing Jason-1 (section)

{{Short description|Satellite oceanography mission}}
{{redirect|Poseidon-2|the Russian nuclear-powered unmanned underwater vehicle|Status-6 Oceanic Multipurpose System}}
{{Use British English|date=November 2020}}
{{Use dmy dates|date=November 2020}}
{{Infobox spaceflight
| name               = Jason-1
| image              = File:Jason-1.jpg
| image_caption      = Artist's interpretation of the Jason-1 satellite
| image_size         = 300px
| mission_type       = Oceanography mission
| operator           = [[NASA]]{{\}}[[CNES]]
| website            = [http://sealevel.jpl.nasa.gov/ Ocean Surface Topography from Space]
| COSPAR_ID          = 2001-055A
| SATCAT             = 26997
| mission_duration   = 3 years (planned)<br/>{{frac|11|1|2}} years (achieved)
| spacecraft_bus     = [[Proteus (satellite)|Proteus]]
| manufacturer       = [[Thales Alenia Space]]
| launch_mass        = {{cvt|500|kg}}
| dimensions         = 
| power              = 1000 watts
| launch_date        = 7 December 2001, 15:07:00 [[Coordinated Universal Time|UTC]]
| launch_rocket      = [[Delta II]] 7920-10
| launch_site        = [[Vandenberg Air Force Base|Vandenberg]], [[Vandenberg Space Launch Complex 2|SLC-2W]]
| launch_contractor  = [[Boeing Defense, Space & Security]]
| entered_service    = 
| deactivated        = 1 July 2013
| orbit_reference    = [[Geocentric orbit]]
| orbit_regime       = [[Low Earth orbit]]
| orbit_altitude     = {{cvt|1336|km}}
| orbit_inclination  = 66.0°
| orbit_period       = 112.56 minutes
| apsis              = gee
}}

'''Jason-1''' <ref>{{cite web|url=http://topex-www.jpl.nasa.gov/mission/jason-1.html|title=Ocean Surface Topography from Space|publisher=NASA/JPL|url-status=dead|archive-url=https://web.archive.org/web/20080513070927/http://topex-www.jpl.nasa.gov/mission/jason-1.html|archive-date=2008-05-13}} {{PD-notice}}</ref> was a [[satellite altimeter]] oceanography mission. It sought to monitor global [[ocean circulation]], study the ties between the [[ocean]] and the [[atmosphere]], improve global [[climate]] forecasts and predictions, and monitor events such as [[El Niño]] and ocean [[Eddy (fluid dynamics)|eddies]].<ref>{{cite web|url=http://jpl.nasa.gov/releases/2001/release_2001_239.html|title=Jason Sets Sail; Satellite to Spot Sea's Solar/Atmospheric Seesaw|publisher=NASA/JPL|access-date=30 June 2008|archive-date=17 February 2013|archive-url=https://web.archive.org/web/20130217123837/http://www.jpl.nasa.gov/releases/2001/release_2001_239.html|url-status=dead}} {{PD-notice}}</ref> Jason-1 was launched in 2001 and it was followed by [[OSTM/Jason-2]] in 2008, and [[Jason-3]] in 2016{{spnd}}the [[Jason satellite series]]. Jason-1 was launched alongside the [[TIMED]] spacecraft.