{"id":454,"date":"2013-08-21T07:50:00","date_gmt":"2013-08-21T05:50:00","guid":{"rendered":"https:\/\/kids.esa.int\/europe_s_space_sentinels\/"},"modified":"2026-10-08T00:28:23","modified_gmt":"2026-10-07T22:28:23","slug":"europe_s_space_sentinels","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/europe_s_space_sentinels\/","title":{"rendered":"Europas rymdsatelliter av typen Sentinel"},"content":{"rendered":"<div class=\"lede\">\n<p>Med utg\u00e5ngspunkt i \u00f6ver 30 \u00e5rs erfarenhet av att driva jordobservationssatelliter utvecklar ESA fem nya typer av rymdfarkoster, s\u00e5 kallade Sentinel-satelliter. Varje Sentinel-uppdrag best\u00e5r av tv\u00e5 identiska satelliter f\u00f6r att s\u00e4kerst\u00e4lla maximal t\u00e4ckning av jorden.<\/p>\n<\/div>\n<p>Dessa \u201d\u00f6gon i himlen\u201d kommer att skicka tillbaka enorma m\u00e4ngder data om jordytan och atmosf\u00e4ren. Denna information kommer att anv\u00e4ndas f\u00f6r att tillgodose Copernicus-programmets operativa behov.<\/p>\n<p>Sentinel-1 \u00e4r en radarbaserad bildtagningsmission som fungerar i alla v\u00e4derf\u00f6rh\u00e5llanden, b\u00e5de dag och natt. Bland dess m\u00e5nga uppgifter ing\u00e5r \u00f6vervakning av havsisen i Arktis, kontroll av havsf\u00f6roreningar (till exempel oljeutsl\u00e4pp), kartl\u00e4ggning av markf\u00f6rskjutningar, studier av skogar, vatten och mark samt st\u00f6d till katastrofinsatser. Den pol\u00e4ra satelliten Sentinel-1A sk\u00f6ts upp den 3 april 2014. Dess tvillingsatellit, Sentinel-1B, sk\u00f6ts upp tv\u00e5 \u00e5r senare, den 25 april 2016.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Astrium GmbH\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/02\/Sentinel-22\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/02\/sentinel-22\/17878552-2-eng-GB\/Sentinel-2.jpg\" alt=\"Sentinel-2\"><figcaption>Sentinel-2<\/figcaption><\/figure>\n<p>Sentinel-2 \u00e4r ytterligare ett par satelliter i pol\u00e4r bana. De kommer att tillhandah\u00e5lla detaljerade optiska bilder av vegetation, mark- och vattent\u00e4ckning samt kustomr\u00e5den. Sentinel-2A sk\u00f6ts upp den 23 juni 2015. Sentinel-2B sk\u00f6ts upp den 7 mars 2017.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\u2013J. Huart\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/02\/Sentinel-32\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/02\/sentinel-32\/17871448-2-eng-GB\/Sentinel-3.jpg\" alt=\"Sentinel-3\"><figcaption>Sentinel-3<\/figcaption><\/figure>\n<p>Sentinel-3:s olika instrument kommer att m\u00e4ta havsytans h\u00f6jd, temperaturen p\u00e5 land och vid havsytan samt havets f\u00e4rg (som beror p\u00e5 sm\u00e5 levande organismer). Sentinel-3A sk\u00f6ts upp framg\u00e5ngsrikt den 16 februari 2016, medan Sentinel-3B \u00e4r planerad att skjutas upp under 2017.<\/p>\n<p>B\u00e5de Sentinel-4 och Sentinel-5 kommer att \u00f6vervaka luftkvaliteten, ozonskiktet, solstr\u00e5lningen och klimatf\u00f6r\u00e4ndringarna. Sentinel-4 kommer att best\u00e5 av flera instrument ombord p\u00e5 tv\u00e5 v\u00e4dersatelliter av typen Meteosat Third Generation som kretsar i omloppsbana ovanf\u00f6r ekvatorn.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1280\" data-credit=\"ESA-P. Carril, 2012\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/11\/Sentinel-5_precursor2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/11\/sentinel-5_precursor2\/18245958-2-eng-GB\/Sentinel-5_precursor.jpg\" alt=\"Sentinel-5 precursor\"><figcaption>Sentinel-5-f\u00f6reg\u00e5ngaren<\/figcaption><\/figure>\n<p>Sentinel-5-instrumenten kommer att placeras ombord p\u00e5 en MetOp Second Generation (MSG)-satellit i pol\u00e4r bana, som flyger p\u00e5 en betydligt l\u00e4gre h\u00f6jd \u00e4n Sentinel-4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Based on over 30 years of experience in flying Earth observation satellites, ESA is developing five new types of spacecraft, known as Sentinels. Each Sentinel mission is made up of [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2007\/05\/sentinel-12\/17892760-2-eng-GB\/Sentinel-1.jpg","esa_banner_description":"Sentinel-1","esa_banner_credit":"ESA\/P. 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