{"id":452562,"date":"2023-07-19T01:20:41","date_gmt":"2023-07-19T05:20:41","guid":{"rendered":"https:\/\/www.nasa.gov\/?p=452562"},"modified":"2023-07-19T01:20:41","modified_gmt":"2023-07-19T05:20:41","slug":"tracking-and-data-relay-satellite-tdrs-fleet-characteristics","status":"publish","type":"post","link":"https:\/\/www.nasa.gov\/missions\/tdrs\/tracking-and-data-relay-satellite-tdrs-fleet-characteristics\/","title":{"rendered":"Tracking and Data Relay Satellite (TDRS) Fleet Characteristics"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><\/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\/07\/sn-constellation-map-march2019.png\"><img fetchpriority=\"high\" decoding=\"async\" width=\"985\" height=\"554\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?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\/07\/sn-constellation-map-march2019.png 985w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?resize=300,169 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?resize=768,432 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?resize=400,225 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?resize=600,337 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?resize=900,506 900w\" sizes=\"(max-width: 985px) 100vw, 985px\" loading=\"eager\" \/><\/a><\/figure><\/div><\/div><\/div>\n\n\n<p>The above image represents what the current\u00a0<a href=\"https:\/\/www.nasa.gov\/mission\/tracking-and-data-relay-satellites\/\">Tracking and Data Relay Satellite (TDRS)<\/a>\u00a0configuration is as March 2019 with 10 in-orbit\u00a0TDRS in space.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>After 20+ years of service, two of the\u00a0first generation TDRS are retired (TDRS-1 and TDRS-4) and super-synced into an orbit about 300 miles higher than geosynchronous (GEO) where the operational fleet sits.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>TDRS-A (TDRS-1)<\/strong><br>Weight*: 2268.0 kg<br>Dimensions**: 17.4 meters long by 12.9 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-B<\/strong><br>Weight*: 2200.0 kg<br>Dimensions**: 17.4 meters long by 12.9 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-C (TDRS-3)<\/strong><br>Weight*: 2224.9 kg<br>Dimensions**: 17.3 meters long by 14.2 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-D (TDRS-4)<\/strong><br>Weight*: 2108.0 kg<br>Dimensions**: 17.3 meters long by 14.2 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-E (TDRS-5)<\/strong><br>Weight*: 2108.0 kg<br>Dimensions**: 17.3 meters long by 14.2 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-F (TDRS-6)<\/strong><br>Weight*: 2108.0 kg<br>Dimensions**: 17.3 meters long by 14.2 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-G (TDRS-7)<\/strong><br>Weight*: 2108.0 kg<br>Dimensions**: 17.3 meters long by 14.2 meters wide<br>Power: 1700 watts<br>Designed mission life: 10 years<\/p>\n\n\n\n<p><strong>TDRS-H (TDRS-8)<\/strong><br>Weight*: 3196.8 kg<br>Dimensions**: 21.0 meters long by 13.1 meters wide<br>Power: 2300 watts<br>Designed mission life: 11 years<\/p>\n\n\n\n<p><strong>TDRS-I (TDRS-9)<\/strong><br>Weight*: 3196.8 kg<br>Dimensions**: 21.0 meters long by 13.1 meters wide<br>Power: 2300 watts<br>Designed mission life: 11 years<\/p>\n\n\n\n<p><strong>TDRS-J (TDRS-10)<\/strong><br>Weight*: 3196.8 kg<br>Dimensions**: 21.0 meters long by 13.1 meters wide<br>Power: 2300 watts<br>Designed mission life: 11 years<\/p>\n\n\n\n<p><strong>TDRS-K (TDRS-11)<\/strong><br>Weight*: 3454.0 kg<br>Dimensions**: 21.0 meters long by 13.1 meters wide<br>Power: 2200 watts<br>Designed mission life: 11 years<\/p>\n\n\n\n<p><strong>TDRS-L (TDRS-12)<\/strong><br>Weight*: 3455.0 kg<br>Dimensions**: 21.0 meters long by 13.1 meters wide<br>Power: 2200 watts<br>Designed mission life: 11 years<\/p>\n\n\n\n<p><strong>TDRS-M<\/strong><br>Weight*: 3770.0 kg (estimated)<br>Dimensions**: 21.0 meters long by 13.1 meters wide<br>Power: 2200 watts<br>Designed mission life: 11 years<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The above image represents what the current\u00a0Tracking and Data Relay Satellite (TDRS)\u00a0configuration is as March 2019 with 10 in-orbit\u00a0TDRS in space. After 20+ years of service, two of the\u00a0first generation TDRS are retired (TDRS-1 and TDRS-4) and super-synced into an orbit about 300 miles higher than geosynchronous (GEO) where the operational fleet sits. TDRS-A (TDRS-1)Weight*: […]<\/p>\n","protected":false},"author":323,"featured_media":452564,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":[],"footnotes":""},"categories":[10576,2787],"news-tags":[],"internal-terms":[],"coauthors":[11359],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"NewsArticle","headline":"Tracking and Data Relay Satellite (TDRS) Fleet Characteristics","url":"https:\/\/www.nasa.gov\/missions\/tdrs\/tracking-and-data-relay-satellite-tdrs-fleet-characteristics\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/missions\/tdrs\/tracking-and-data-relay-satellite-tdrs-fleet-characteristics\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png"},"articleSection":"Technology","author":[{"@type":"Person","name":"Catherine G. Manning"}],"creator":["Catherine G. Manning"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["Missions","Tracking and Data Relay Satellite (TDRS)","Communicating and Navigating with Missions"],"dateCreated":"2023-07-19T05:20:41Z","datePublished":"2023-07-19T05:20:41Z","dateModified":"2023-07-19T05:20:41Z"},"rendered":"<meta name=\"parsely-title\" content=\"Tracking and Data Relay Satellite (TDRS) Fleet Characteristics\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/missions\/tdrs\/tracking-and-data-relay-satellite-tdrs-fleet-characteristics\/\" \/>\n<meta name=\"parsely-type\" content=\"post\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2023-07-19T05:20:41Z\" \/>\n<meta name=\"parsely-section\" content=\"Technology\" \/>\n<meta name=\"parsely-tags\" content=\"Missions,Tracking and Data Relay Satellite (TDRS),Communicating and Navigating with Missions\" \/>\n<meta name=\"parsely-author\" content=\"Catherine G. Manning\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":2,"time_ago":"11 months","featured_image":{"id":452564,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/sn-constellation-map-march2019.png","title":"sn-constellation-map-march2019","alt":"","caption":"TDRS fleet"},"_links":{"self":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/452562"}],"collection":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/users\/323"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/comments?post=452562"}],"version-history":[{"count":2,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/452562\/revisions"}],"predecessor-version":[{"id":452570,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/452562\/revisions\/452570"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media\/452564"}],"wp:attachment":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media?parent=452562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/categories?post=452562"},{"taxonomy":"news-tags","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/news-tags?post=452562"},{"taxonomy":"internal-terms","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/internal-terms?post=452562"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/coauthors?post=452562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}