{"id":6095,"date":"2014-01-17T16:31:41","date_gmt":"2014-01-17T16:31:41","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=6095"},"modified":"2014-01-17T16:31:41","modified_gmt":"2014-01-17T16:31:41","slug":"about-those-geostationarygeosynchronous-orbits","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=6095","title":{"rendered":"About those geostationary\/geosynchronous orbits"},"content":{"rendered":"<p>Commercial communications satellites, weather satellites and other spacecraft are often put into a high equatorial orbit \u00a0(36000 km high) called the geostationary orbit where the satellite will revolve at the same angular velocity as the earth turns, thus keeping it always above a given spot on the equator. Here is an explanation of \u00a0geostationary and also of geosynchronous orbits and of how an orbit can be made circular :\u00a0<a href=\"http:\/\/www.planetary.org\/blogs\/jason-davis\/20140116-how-to-get-a-satellite-to-gto.html\" target=\"_d\">How to get a satellite to geostationary orbit &#8211; The Planetary Society<\/a><\/p>\n<p>Putting a spacecraft into geostationary orbit typically starts by a rocket putting it into a highly elliptical orbit with the apogee at 36,000 km. This is called the geostationary transfer orbit.\u00a0The animation below illustrates how the perigee of a highly elliptical orbit is raised by firing the spacecraft&#8217;s own engine at the apogee of the orbit:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/COCAIPtVA2M?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Commercial communications satellites, weather satellites and other spacecraft are often put into a high equatorial orbit \u00a0(36000 km high) called the geostationary orbit where the satellite will revolve at the same angular velocity as the earth turns, thus keeping it always above a given spot on the equator. Here is an explanation of \u00a0geostationary and &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=6095\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">About those geostationary\/geosynchronous orbits<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[22,26],"tags":[],"class_list":["post-6095","post","type-post","status-publish","format-standard","hentry","category-education","category-space-systems"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-1Aj","jetpack-related-posts":[{"id":21922,"url":"https:\/\/hobbyspace.com\/Blog\/?p=21922","url_meta":{"origin":6095,"position":0},"title":"ESA sponsors AI competition to spot GEO objects in low-cost telescope images","author":"TopSpacer","date":"May 28, 2020","format":false,"excerpt":"ESA sponsoring a new citizen science challenge at Kelvins- \"ESA's Advanced Concepts Competitions\". In the spotGEO Challenge, held in partnership with the\u00a0 University of Adelaide, ... you are asked to develop an algorithm to detect Geostationary orbiting objects from simple png images (or frames) acquired by an unknown, low-cost ground-based\u2026","rel":"","context":"In &quot;Contests and Games&quot;","block_context":{"text":"Contests and Games","link":"https:\/\/hobbyspace.com\/Blog\/?cat=16"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2020\/05\/Still_objects_against_moving_stars_pillars1.gif?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":18470,"url":"https:\/\/hobbyspace.com\/Blog\/?p=18470","url_meta":{"origin":6095,"position":1},"title":"SpaceX Falcon Heavy successfully launches Arabsat-6A and lands all 3 boosters","author":"TopSpacer","date":"April 11, 2019","format":false,"excerpt":"SpaceX this afternoon launched a Falcon Heavy rocket with the Arabsat-6A communications satellite from Cape Kennedy Space Center. This was the second launch of a FH but this time all 3 cores of the FH were the most up-to-date Block 5 versions. And all 3 boosters\u00a0 successfully landed. The 2\u2026","rel":"","context":"In &quot;Rockets&quot;","block_context":{"text":"Rockets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=5"},"img":{"alt_text":"","src":"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=hobbyspace&l=am2&o=1&a=1610398297","width":350,"height":200},"classes":[]},{"id":17050,"url":"https:\/\/hobbyspace.com\/Blog\/?p=17050","url_meta":{"origin":6095,"position":2},"title":"Lots of rocket launches planned for next 10 days","author":"TopSpacer","date":"November 10, 2018","format":false,"excerpt":"Several rocket launches around the world are scheduled for the next couple of weeks. Most of these will be webcast. ** Rocket Lab Electron - Nov.10\/11, 10 p.m.-2 a.m. EST (0300-0700 GMT on 11th) - Rocket Lab is ready to put several commercial smallsats into low earth orbit on the\u2026","rel":"","context":"In &quot;Events&quot;","block_context":{"text":"Events","link":"https:\/\/hobbyspace.com\/Blog\/?cat=37"},"img":{"alt_text":"","src":"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=hobbyspace&l=ur2&o=1","width":350,"height":200},"classes":[]},{"id":19318,"url":"https:\/\/hobbyspace.com\/Blog\/?p=19318","url_meta":{"origin":6095,"position":3},"title":"Video: &#8220;A Year Along the Geostationary Orbit&#8221; &#8211; The disciplined tranquility of disorderly clouds","author":"TopSpacer","date":"July 25, 2019","format":false,"excerpt":"Check out the mesmerizing short film, A Year Along the Geostationary Orbit, which Felix Dierich created with time lapse imagery of the earth taken by the Japanese weather satellite Himawari-8: From 20,000 miles up, our home planet is a hypnotic swirl of the familiar and the sublime | Aeon Videos\u2026","rel":"","context":"In &quot;Eyes in the Sky&quot;","block_context":{"text":"Eyes in the Sky","link":"https:\/\/hobbyspace.com\/Blog\/?cat=27"},"img":{"alt_text":"","src":"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=hobbyspace&l=am2&o=1&a=1250198283","width":350,"height":200},"classes":[]},{"id":15275,"url":"https:\/\/hobbyspace.com\/Blog\/?p=15275","url_meta":{"origin":6095,"position":4},"title":"Weather satellite image reception with tracking antenna on a converted telescope mount","author":"TopSpacer","date":"December 5, 2017","format":false,"excerpt":"Here are links to a set of How-To postings on receiving weather satellite images with a low cost home system that includes the conversion of a telescope mount into an automated antenna that follows weather satellites across the sky: Orbital Weather Satellite APT Image Reception - SDRplay Community Forum -\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/12\/NOAA-19-59W-540x1024.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16797,"url":"https:\/\/hobbyspace.com\/Blog\/?p=16797","url_meta":{"origin":6095,"position":5},"title":"Videos: 100th launch of an Ariane V rocket sends two satellites to GEO","author":"TopSpacer","date":"September 26, 2018","format":false,"excerpt":"Yesterday an\u00a0Ariane V rocket lifted off on the\u00a0100th mission of the program, sending two communications satellites towards their slots in geostationary orbit. 100th Ariane 5 launch a success, orbiting two satellites for Intelsat, SKY Perfect JSAT and Azercosmos \u2013 Arianespace https:\/\/youtu.be\/iJzlWRWh4GQ The first Ariane V launch took place on June\u2026","rel":"","context":"In &quot;History&quot;","block_context":{"text":"History","link":"https:\/\/hobbyspace.com\/Blog\/?cat=6"},"img":{"alt_text":"","src":"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=hobbyspace&l=am2&o=1&a=1324000937","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/6095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6095"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/6095\/revisions"}],"predecessor-version":[{"id":6096,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/6095\/revisions\/6096"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}