{"id":201435,"date":"2023-03-07T13:55:46","date_gmt":"2023-03-07T18:55:46","guid":{"rendered":"https:\/\/www.nasa.gov\/?post_type=topic&p=201435"},"modified":"2023-07-03T14:08:08","modified_gmt":"2023-07-03T18:08:08","slug":"geostationary-remote-sensing","status":"publish","type":"topic","link":"https:\/\/www.nasa.gov\/nasa-earth-exchange-nex\/earth-observations-geonex\/geostationary-remote-sensing\/","title":{"rendered":"Geostationary Platforms"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Geostationary Platforms<\/h2>\n\n\n\n<p>New sensors on geostationary satellites have great promise for planetary monitoring. In particular, the new capabilities of NOAA\u2019s GOES and JAXA\u2019s Himawari have significant spectral, radiometric, temporal and scan rate improvements. For example, GOES sensors have three times more spectral channels, four times better spatial resolution and five times faster scan rate than earlier versions.<\/p>\n\n\n<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"985\" height=\"485\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg?w=985\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg 985w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg?resize=300,148 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg?resize=768,378 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg?resize=400,197 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg?resize=600,295 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/goesnewold-0.jpeg?resize=900,443 900w\" sizes=\"(max-width: 985px) 100vw, 985px\" loading=\"eager\" \/><\/a><\/figure><\/div><\/div><\/div>\n\n\n<p>The graphs below compare spectral band positions across these sensors alongside those of polar-orbiting missions for land surface monitoring, NASA\u2019s MODIS and NOAA\u2019s VIIRS.  The black line is solar transmittance and radiance from <a rel=\"noreferrer noopener\" href=\"https:\/\/hitran.org\/about\/\" target=\"_blank\">HITRAN<\/a>.<\/p>\n\n\n<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"430\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png?w=936\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png 936w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png?resize=300,138 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png?resize=768,353 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png?resize=400,184 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png?resize=600,276 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/geonex-02.png?resize=900,413 900w\" sizes=\"(max-width: 936px) 100vw, 936px\" \/><\/a><\/figure><\/div><\/div><\/div>\n\n\n<ul>\n<li>ABI \u2013 Advanced Baseline Imager on GOES-16\/17 (United States)<\/li>\n\n\n\n<li>AHI \u2013 Advanced Himawari Imager on Himawari 8\/9 (Japan)<\/li>\n\n\n\n<li>AMI \u2013 Advanced Meteorological Imager on GEO-KOMPSAT2 (South Korea)<\/li>\n\n\n\n<li>FCI \u2013 Flexible Combined Imager on MTG (Europe)<\/li>\n\n\n\n<li>AGRI \u2013 Advanced Geosynchronous Radiation Imager on Fengyun-4 (China)<\/li>\n\n\n\n<li>MODIS – Moderate Resolution Imaging Spectroradiometer (United States)<\/li>\n\n\n\n<li>VIIRS – Visible\/Infrared Imaging Radiometer Suite (United States)<\/li>\n<\/ul>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>GeoNEX Common Grid<\/strong><\/h2>\n\n\n<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"438\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png?w=936\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png 936w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png?resize=300,140 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png?resize=768,359 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png?resize=400,187 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png?resize=600,281 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/commongrid.png?resize=900,421 900w\" sizes=\"(max-width: 936px) 100vw, 936px\" \/><\/a><\/figure><\/div><\/div><\/div>\n\n\n<p>We define a common tiled grid in the geographic (latitude\/longitude) projection for the GeoNEX products. Spanning from 60<sup>\u25e6<\/sup>N and 180<sup>\u25e6<\/sup>W at the upper-left corner to 60<sup>\u25e6<\/sup>S and 180<sup>\u25e6<\/sup>E at the lower-right corner, the grid was divided into 6<sup>\u25e6<\/sup> \u00d7 6<sup>\u25e6 <\/sup>tiles that were numbered from 0 to 59 in the longitudinal (horizontal) direction and from 0 to 19 in the latitudinal (vertical) direction. Pixels (grid cells) were created at regular 0.005<sup>\u25e6<\/sup>, 0.01<sup>\u25e6<\/sup>, and 0.02<sup>\u25e6<\/sup> resolutions, where a 0.02<sup>\u25e6<\/sup> pixel contained exactly four 0.01<sup>\u25e6<\/sup> pixels and a 0.01<sup>\u25e6<\/sup> pixel contained exactly four 0.005<sup>\u25e6 <\/sup>pixels. The layout and the resolutions of the pixels were in correspondence to the three native spatial resolutions (i.e., 500 m, 1 km, and 2 km) common to the geostationary satellite data in different spectral bands. The geographic projection of the grid was chosen to facilitate intercomparisons between geostationary and polar-orbiting sensors. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Geostationary Platforms New sensors on geostationary satellites have great promise for planetary monitoring. In particular, the new capabilities of NOAA\u2019s GOES and JAXA\u2019s Himawari have significant spectral, radiometric, temporal and scan rate improvements. For example, GOES sensors have three times more spectral channels, four times better spatial resolution and five times faster scan rate than earlier [...]<\/p>\n","protected":false},"author":136,"featured_media":193030,"parent":302332,"menu_order":0,"template":"","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"","nasa_hds_core_meta_article_contacts":[],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[]},"categories":[2834],"news-tags":[],"internal-terms":[],"coauthors":[10409],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"WebPage","headline":"Geostationary Platforms","url":"https:\/\/www.nasa.gov\/nasa-earth-exchange-nex\/earth-observations-geonex\/geostationary-remote-sensing\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/nasa-earth-exchange-nex\/earth-observations-geonex\/geostationary-remote-sensing\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/07\/lunar-pathfinder.png?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/07\/lunar-pathfinder.png"},"articleSection":"Science & Research","author":[{"@type":"Person","name":"Wen F. Yip"}],"creator":["Wen F. Yip"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["Science & Research","Earth Science"],"dateCreated":"2023-03-07T18:55:46Z","datePublished":"2023-03-07T18:55:46Z","dateModified":"2023-07-03T18:08:08Z"},"rendered":"<meta name=\"parsely-title\" content=\"Geostationary Platforms\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/nasa-earth-exchange-nex\/earth-observations-geonex\/geostationary-remote-sensing\/\" \/>\n<meta name=\"parsely-type\" content=\"index\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/07\/lunar-pathfinder.png?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2023-03-07T18:55:46Z\" \/>\n<meta name=\"parsely-section\" content=\"Science & Research\" \/>\n<meta name=\"parsely-tags\" content=\"Science & Research,Earth Science\" \/>\n<meta name=\"parsely-author\" content=\"Wen F. Yip\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":2,"time_ago":"1 year","featured_image":{"id":193030,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/07\/lunar-pathfinder.png","title":"lunar-pathfinder","alt":"Lunar Pathfinder satellite orbiting thev Moon","caption":"Artist's impression of the European Space Agency (ESA) and Surrey Satellite Technology Ltd (SSTL)'s Lunar Pathfinder satellite that will provide communications services around the Moon for many upcoming exploration initiatives, including NASA's Artemis missions. 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