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{{Use dmy dates|date=September 2020}}
{{Infobox spaceflight
| name = Plankton, Aerosol, Cloud, ocean Ecosystem
| names_list = Pre-Aerosol, Cloud, and ocean Ecosystem<br/>PACE
| image = File:PACE Spacecraft beauty2.jpg
| image_caption = An artist's concept of NASA's PACE spacecraft in orbit.
| image_size = 300px
| mission_type = [[Remote sensing]]
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| mission_duration = 3-10 years (planned)▼
▲| mission_duration = 3-10 years (planned)
| spacecraft_type =
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| launch_date = 6 February 2024, 06:30 UTC (planned)<ref name="nasa-20231211">{{cite press release |url=https://www.nasa.gov/news-release/nasa-invites-media-to-launch-of-new-mission-to-study-oceans-clouds/ |title=NASA Invites Media to Launch of New Mission to Study Oceans, Clouds |work=[[NASA]] |date=11 December 2023 |access-date=11 December 2023}}</ref>▼
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| launch_site = [[Cape Canaveral Space Force Station|Cape Canaveral]], [[Cape Canaveral Space Launch Complex 40|SLC-40]]▼
| launch_contractor = [[SpaceX]]▼
▲| launch_date = 6 February 2024 (planned)<ref name="nasa-20231211">{{cite press release |url=https://www.nasa.gov/news-release/nasa-invites-media-to-launch-of-new-mission-to-study-oceans-clouds/ |title=NASA Invites Media to Launch of New Mission to Study Oceans, Clouds |work=[[NASA]] |date=11 December 2023 |access-date=11 December 2023}}</ref>
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▲| launch_site = [[Cape Canaveral Space Force Station|Cape Canaveral]], [[Cape Canaveral Space Launch Complex 40|SLC-40]]
▲| launch_contractor = [[SpaceX]]
| decay_date =
| orbit_reference = [[Geocentric orbit]] (planned)▼
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| orbit_period = 2-day global coverage 60° instrument view angle▼
| apsis = gee
▲| orbit_reference = [[Geocentric orbit]] (planned)
| trans_band = [[S band|S-Band]] - Command & Telemetry<br/>[[Ka band|Ka-Band]] - Science Data▼
| instruments = Ocean Color Instrument (OCI)<br/>Spectro-Polarimeter for Planetary Exploration (SPEXone)<br/>Hyper-Angular Rainbow Polarimeter #2 (HARP2)▼
| insignia =
| insignia_caption = ▼
▲| orbit_period = 2-day global coverage 60° instrument view angle
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| programme =
| previous_mission = ▼
▲| trans_band = [[S band|S-Band]] - Command & Telemetry<br/>[[Ka band|Ka-Band]] - Science Data
| next_mission =
▲| instruments = Ocean Color Instrument (OCI)<br/>Spectro-Polarimeter for Planetary Exploration (SPEXone)<br/>Hyper-Angular Rainbow Polarimeter #2 (HARP2)
▲| insignia =
▲| insignia_caption =
▲| programme =
▲| previous_mission =
▲| next_mission =
}}
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The mission is currently in construction, after being proposed for cancellation under President's Trump FY 2018 budget but restored by Congress.<ref name="PACE restored">{{cite web|last=Foust|first=Jeff |url=https://spacenews.com/nasa-receives-20-7-billion-in-omnibus-appropriations-bill/|title=NASA receives US$20.7 billion in omnibus appropriations bill|publisher=SpaceNews|date=22 March 2018|access-date=15 March 2021}}</ref> The PACE project is managed by NASA [[Goddard Space Flight Center]].<ref name="Goddard">{{cite web|url=https://www.nasa.gov/press/2015/march/new-nasa-mission-to-study-ocean-color-airborne-particles-and-clouds|title=New NASA Mission to Study Ocean Color, Airborne Particles and Clouds|date=13 March 2015|access-date=15 March 2021}} {{PD-notice}}</ref> The main instrument and bus are being designed and built at Goddard Space Flight Center.<ref name="NASA20160720">{{cite web|url=https://www.nasa.gov/feature/goddard/2016/pace-will-uncover-new-information-about-ocean-health|title=NASA's PACE Mission Will Uncover New Information About Health of Our Oceans|publisher=NASA|date=20 July 2016|access-date=15 March 2021}} {{PD-notice}}</ref>
On 4 February 2020, NASA announced the selection of [[SpaceX]] to launch PACE on a [[Falcon 9]], at a total cost to NASA of US$80.4 million, including the launch service and other mission-related costs. The PACE mission has a cost cap of US$805 million.<ref name="SFN20200205">{{cite web|url=https://spaceflightnow.com/2020/02/05/spacex-wins-contract-to-launch-nasas-pace-earth-science-mission/|title=SpaceX wins contract to launch NASA's PACE Earth science mission|last=Clark|first=Stephen|publisher=Spaceflight Now|date=5 February 2020|access-date=15 March 2021}}</ref> As of
== History ==
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* [[NASA Earth Science]]
* [[Earth Observing System]]
* [[Large strategic science missions|List of NASA Large Strategic Science Missions]]
== References ==
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