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    "title": "NASA Earth Observing Fleet including Landsat 8",
    "description": "A newer version of this visualization can be found here.This animation shows the orbits of NASA's current (as of May 2013) fleet of Earth remote sensing observatories. The satellites include components of the A-Train (Aqua, Aura, CloudSat, CALIPSO), two satellites launched in 2011 (Aquarius, Suomi NPP), and nine others (ACRIMSAT, SORCE, GRACE, Jason 1 and 2, Landsat 7, Landsat 8, QuikSCAT, TRMM, and EO-1). These satellites measure tropical rainfall, solar irradiance, clouds, sea surface height, ocean salinity, and other aspects of the global environment. Together, they provide a picture of the Earth as a system.This is an update of visualization #3725. It was created for display on the NASA Center for Climate Simulation (NCCS) hyperwall, a 5 x 3 array of high-definition displays with a total pixel resolution of 6840 x 2304. The orbits are based on orbital elements with epochs in April of 2013. The visualization spans twenty-nine hours, from 04:10 UT on April 14, 2013 to 09:24 UT on Aril 15, 2013. || ",
    "release_date": "2013-06-26T11:00:00-04:00",
    "update_date": "2025-03-10T00:03:15.648297-04:00",
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            "description": "A newer version of this visualization can be found <a href='/4558'>here</a>.<br><br>This animation shows the orbits of NASA's current (as of May 2013) fleet of Earth remote sensing observatories. The satellites include components of the A-Train (<a href=\"https://science.nasa.gov/missions/aqua/\"><b>Aqua</b></a>, <a href=\"https://science.nasa.gov/missions/aura/\"><b>Aura</b></a>, <a href=\"https://science.nasa.gov/missions/cloudsat/\"><b>CloudSat</b></a>, <a href=\"https://science.nasa.gov/missions/calipso/\"><b>CALIPSO</b></a>), two satellites launched in 2011 (<a href=\"https://science.nasa.gov/missions/aquarius/\"><b>Aquarius</b></a>, <a href=\"https://science.nasa.gov/missions/suomi-npp/\"><b>Suomi NPP</b></a>), and nine others (<a href=\"https://science.nasa.gov/missions/acrimsat/\"><b>ACRIMSAT</b></a>, <a href=\"https://science.nasa.gov/missions/sorce/\"><b>SORCE</b></a>, <a href=\"https://science.nasa.gov/missions/grace/\"><b>GRACE</b></a>, <a href=\"https://science.nasa.gov/missions/jason-1/\"><b>Jason 1</b></a> and <a href=\"https://science.nasa.gov/missions/ostm/\"><b>2</b></a>, <a href=\"https://science.nasa.gov/missions/landsat-7/\"><b>Landsat 7</b></a>, <a href=\"https://science.nasa.gov/missions/ldcm/\"><b>Landsat 8</b></a>, <a href=\"https://science.nasa.gov/missions/quikscat/\"><b>QuikSCAT</b></a>, <a href=\"https://science.nasa.gov/missions/trmm/\"><b>TRMM</b></a>, and <a href=\"https://science.nasa.gov/missions/eo-1/\"><b>EO-1</b></a>). These satellites measure tropical rainfall, solar irradiance, clouds, sea surface height, ocean salinity, and other aspects of the global environment. Together, they provide a picture of the Earth as a system.<p><p>This is an update of <a href=\"/3725\"><b>visualization #3725</b></a>. It was created for display on the NASA Center for Climate Simulation (<a href=\"https://www.nccs.nasa.gov\"><b>NCCS</b></a>) hyperwall, a 5 x 3 array of high-definition displays with a total pixel resolution of 6840 x 2304. The orbits are based on orbital elements with epochs in April of 2013. The visualization spans twenty-nine hours, from 04:10 UT on April 14, 2013 to 09:24 UT on Aril 15, 2013.",
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                    "name": "Greg Shirah",
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                },
                {
                    "name": "Ernie Wright",
                    "employer": "USRA"
                },
                {
                    "name": "Alex Kekesi",
                    "employer": "Global Science and Technology, Inc."
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        },
        {
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            "people": [
                {
                    "name": "Matthew R. Radcliff",
                    "employer": "USRA"
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        "Cloudsat",
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        "Terra"
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            "common_name": "",
            "platform": null,
            "sensor": null,
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            "description": "",
            "credit": "",
            "url": "http://celestrak.com",
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        {
            "name": "Blue Marble: Next Generation",
            "common_name": "BMNG",
            "platform": "Terra and Aqua",
            "sensor": "MODIS",
            "type": "Other",
            "organizations": [],
            "description": "",
            "credit": "The Blue Marble data is courtesy of Reto Stockli (NASA/GSFC).",
            "url": "http://earthobservatory.nasa.gov/Newsroom/BlueMarble/",
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            "organizations": [
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            "url": "https://svs.gsfc.nasa.gov/11369/",
            "page_type": "Produced Video",
            "title": "Around The World",
            "description": "There’s a dance occurring hundreds of miles above Earth right now. It’s the result of choreographed movements made by NASA’s fleet of Earth-observing satellites. A total of 16 satellites keep tabs on the pulse of the planet, collecting data on everything from rainfall and clouds to sea surface height and ocean salinity. Four of these satellites travel as a group, each spaced just minutes apart along a route that loops around the poles. The rest fly solo or in tandem, crossing over most of the planet as often as twice every 24 hours. Collectively, their orbits allow for simultaneous observations of Earth’s environment from multiple perspectives. Watch the video to see NASA’s Earth-observing fleet in motion. || ",
            "release_date": "2013-11-12T00:00:00-05:00",
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            "page_type": "Visualization",
            "title": "Earth Observing Fleet (January 2023)",
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            "release_date": "2023-01-12T11:00:00-05:00",
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                "alt_text": "Earth observing fleet for January 2023",
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            "url": "https://svs.gsfc.nasa.gov/4928/",
            "page_type": "Visualization",
            "title": "Earth Observing Fleet (December 2021)",
            "description": "Earth observing fleet for December 2021 - this version includes Landsat-9 in nominal orbit and excludes Landsat-7 || fleet_2021_dec_15_HD_002.01000_print.jpg (1024x576) [75.6 KB] || fleet_2021_dec_15_HD_002.01000_searchweb.png (320x180) [40.3 KB] || fleet_2021_dec_15_HD_002.01000_thm.png (80x40) [3.8 KB] || fleet_2021_dec_15_HD_002_1080p59.94.mp4 (1920x1080) [50.2 MB] || 1920x1080_16x9_30p (1920x1080) [0 Item(s)] || fleet_2021_dec_15_HD_002_1080p59.94.webm (1920x1080) [20.8 MB] || fleet_2021_dec_15_4k_002_2160p59.94.mp4 (3840x2160) [92.5 MB] || png (9600x3240) [0 Item(s)] || exr (9600x3240) [0 Item(s)] || 3840x2160_16x9_30p (3840x2160) [0 Item(s)] || exr_better_labels (9600x3240) [0 Item(s)] || png_better_labels (9600x3240) [0 Item(s)] || fleet_2021_Dec_HD.mp4.hwshow || ",
            "release_date": "2021-12-13T00:00:00-05:00",
            "update_date": "2025-06-23T00:13:06.600220-04:00",
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            "url": "https://svs.gsfc.nasa.gov/4931/",
            "page_type": "Visualization",
            "title": "Earth Observing Fleet (August 2021)",
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            "release_date": "2021-08-26T00:00:00-04:00",
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                "filename": "fleet_2021_AUG_sentinel6.6600_print.jpg",
                "media_type": "Image",
                "alt_text": "Earth observing fleet for August 2021 - this version labels the \"Sentinel-6 Michael Freilich\" spacecraft:  Sentinel-6",
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        {
            "id": 4558,
            "url": "https://svs.gsfc.nasa.gov/4558/",
            "page_type": "Visualization",
            "title": "NASA's Earth Observing Fleet: March 2017",
            "description": "NASA's Earth observing fleet as of March 2017 || final_earth_obs_fleet06.2100_print.jpg (1024x576) [96.1 KB] || final_earth_obs_fleet06.2100_searchweb.png (320x180) [62.3 KB] || final_earth_obs_fleet06.2100_thm.png (80x40) [4.5 KB] || final_earth_obs_fleet06_1080p60.mp4 (1920x1080) [46.9 MB] || final_earth_obs_fleet06_1080p60.webm (1920x1080) [11.2 MB] || final (1920x1080) [0 Item(s)] || final_earth_obs_fleet06_360p30.mp4 (640x360) [6.0 MB] || final06 (9600x3240) [0 Item(s)] || ",
            "release_date": "2017-04-19T00:00:00-04:00",
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