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{{Infobox spaceflight |
{{Infobox spaceflight |
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| name = Plankton, Aerosol, Cloud, ocean Ecosystem |
| name = Plankton, Aerosol, Cloud, ocean Ecosystem |
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| names_list = Pre-Aerosol, Cloud, and ocean Ecosystem<br/>PACE |
| names_list = Pre-Aerosol, Cloud, and ocean Ecosystem<br/>PACE |
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| image = File:PACE Spacecraft beauty2.jpg |
| image = File:PACE Spacecraft beauty2.jpg |
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| image_caption = An artist's concept of NASA's PACE spacecraft in orbit. |
| image_caption = An artist's concept of NASA's PACE spacecraft in orbit. |
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| image_size = 300px |
| image_size = 300px |
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| mission_type = [[Remote sensing]] |
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| operator = [[NASA]] |
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| COSPAR_ID = |
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| SATCAT = |
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| website = {{url|https://pace.oceansciences.org/home.htm}} |
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| website = {{url|https://pace.oceansciences.org/home.htm}} |
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| spacecraft_type = |
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| manufacturer = [[Goddard Space Flight Center]] |
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| launch_mass = 1694 kg |
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| dry_mass = |
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| payload_mass = |
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| dimensions = 1.5 x 1.5 x 3.2 meters |
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| power = 1000 [[Watt|watts]] |
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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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| dimensions = 1.5 x 1.5 x 3.2 metre |
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| launch_rocket = [[Falcon 9 Block 5]] |
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⚫ | | launch_site = [[Cape Canaveral Space Force Station|Cape Canaveral]], [[Cape Canaveral Space Launch Complex 40|SLC-40]] |
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⚫ | | 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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| disposal_type = |
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⚫ | | launch_site = [[Cape Canaveral Space Force Station|Cape Canaveral]], [[Cape Canaveral Space Launch Complex 40|SLC-40]] |
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| decay_date = |
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| orbit_regime = [[Sun-synchronous orbit]] |
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| orbit_altitude = 676.5 km |
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| orbit_inclination = 98.0° |
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⚫ | | orbit_period = 2-day global coverage 60° instrument view angle |
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| apsis = gee |
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⚫ | | trans_band = [[S band|S-Band]] - Command & Telemetry<br/>[[Ka band|Ka-Band]] - Science Data |
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| orbit_regime = [[Sun-synchronous orbit]] |
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⚫ | | instruments = Ocean Color Instrument (OCI)<br/>Spectro-Polarimeter for Planetary Exploration (SPEXone)<br/>Hyper-Angular Rainbow Polarimeter #2 (HARP2) |
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| orbit_altitude = 676.5 km |
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| insignia = |
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| orbit_inclination = 98.0° |
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⚫ | | orbit_period = 2-day global coverage 60° instrument view angle |
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| insignia_size = 200px |
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| programme = |
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⚫ | | trans_band = [[S band|S-Band]] - Command & Telemetry<br/>[[Ka band|Ka-Band]] - Science Data |
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| next_mission = |
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⚫ | | instruments = Ocean Color Instrument (OCI)<br/>Spectro-Polarimeter for Planetary Exploration (SPEXone)<br/>Hyper-Angular Rainbow Polarimeter #2 (HARP2) |
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| insignia_size = 200px |
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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> |
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> |
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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 |
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 17 January 2024, PACE is scheduled to launch on 6 February 2024 at 06:30 UTC.<ref name="nasa-20231211" /> |
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== History == |
== History == |
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* [[NASA Earth Science]] |
* [[NASA Earth Science]] |
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* [[Earth Observing System]] |
* [[Earth Observing System]] |
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* [[Large strategic science missions|List of NASA Large Strategic Science Missions]] |
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== References == |
== References == |
Names | Pre-Aerosol, Cloud, and ocean Ecosystem PACE |
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Mission type | Remote sensing |
Operator | NASA |
COSPAR ID | 2024-025A |
SATCAT no. | 58928 |
Website | pace |
Mission duration | 3-10 years (planned) |
Spacecraft properties | |
Spacecraft | PACE |
Manufacturer | Goddard Space Flight Center |
Launch mass | 1694 kg |
Dimensions | 1.5 x 1.5 x 3.2 meters |
Power | 1000 watts |
Start of mission | |
Launch date | 6 February 2024, 06:30 UTC (planned)[1] |
Rocket | Falcon 9 Block 5 |
Launch site | Cape Canaveral, SLC-40 |
Contractor | SpaceX |
Orbital parameters | |
Reference system | Geocentric orbit (planned) |
Regime | Sun-synchronous orbit |
Altitude | 676.5 km |
Inclination | 98.0° |
Period | 2-day global coverage 60° instrument view angle |
Transponders | |
Band | S-Band - Command & Telemetry Ka-Band - Science Data |
Instruments | |
Ocean Color Instrument (OCI) Spectro-Polarimeter for Planetary Exploration (SPEXone) Hyper-Angular Rainbow Polarimeter #2 (HARP2) | |
Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) is a NASA Earth-observing satellite mission that will continue and advance observations of global ocean color, biogeochemistry, and ecology, as well as the carbon cycle, aerosols and clouds.[2] PACE will be used to identify the extent and duration of phytoplankton blooms and improve understanding of air quality.[3] These and other uses of PACE data will benefit the economy and society, especially sectors that rely on water quality, fisheries and food security.[4]
The mission is currently in construction, after being proposed for cancellation under President's Trump FY 2018 budget but restored by Congress.[5] The PACE project is managed by NASA Goddard Space Flight Center.[6] The main instrument and bus are being designed and built at Goddard Space Flight Center.[7]
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.[8] As of 17 January 2024, PACE is scheduled to launch on 6 February 2024 at 06:30 UTC.[1]
PACE was called Pre-Aerosol, Cloud, and ocean Ecosystem (PACE).[9] PACE was approved to move forward out of its preliminary stage of planning on 16 June 2016 at the Key Decision Point-A (KDP-A) event. A significant milestone for this next stage is that the official mission budget becomes available for use on 1 July 2016, project manager Andre Dress said.[7]
PACE has two fundamental science goals: "to extend key systematic ocean color, aerosol, and cloud data records for Earth system and climate studies, and to address new and emerging science questions using its advanced instruments, surpassing the capabilities of previous and current missions".[2] The ocean and atmosphere are directly connected, moving and transferring energy, water, nutrients, gases, aerosols, and pollutants. Aerosols, clouds, and phytoplankton can also affect one another.[2]
PACE will measure atmospheric particles and clouds that scatter and absorb sunlight. Improved characterization of aerosol particles will enable quantifying their impact on marine biology and ocean chemistry, as well as Earth's energy budget and ecological forecasting.[2] PACE will enable scientists to better monitor fisheries, identify harmful algal blooms, and observe changes in marine resources. The color of the ocean is determined by the interaction of sunlight with substances or particles present in seawater such as chlorophyll, a green pigment found in most phytoplankton species. By monitoring global phytoplankton distribution and abundance, the mission will contribute toward understanding the complex systems that drive ocean ecology.[2]
The oceans play a critical role in supporting life on Earth as well as the global economy. To understand changes in ocean health related to climate change;[2] formulation of science objectives and sensor requirements for an advanced ocean biology satellite mission began in the year 2000 with a NASA agency-wide carbon cycle initiative that included ocean, terrestrial, and atmospheric disciplines.
The instrument requirements for this ocean ecology mission are:[2]