{"id":230373,"date":"2015-06-16T07:41:00","date_gmt":"2015-06-16T11:41:00","guid":{"rendered":"http:\/\/33e6c57dfac5be5e5d89da80e15cac98"},"modified":"2015-06-16T07:41:00","modified_gmt":"2015-06-16T11:41:00","slug":"where-philae-phones-home","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=230373","title":{"rendered":"Where Philae phones home"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2015\/06\/where_philae_phones_home\/15450650-1-eng-GB\/Where_Philae_phones_home_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nThe receipt of signals from Rosetta\u2019s Philae lander on 13 June after 211 days of hibernation marked the start of intense activity. In coordination with its mission partners, ESA teams are working to juggle Rosetta\u2019s flight plan to help with renewed lander science investigations.\n<\/p>\n<p>\nPhilae has woken up after seven months in hibernation on Comet 67P\/Churyumov\u2013Gerasimenko. Hidden by shadows, Philae shut down on 15 November 2014 at 00:36 GMT after completing its main science operations sequence on the comet when the primary battery expired as expected after about 60 hours.\n<\/p>\n<p>\nOn the evening of 13 June, a weak but solid radio link between Rosetta and the lander was finally established for 85 seconds. More than 300 \u2018packets\u2019 \u2013 663 kbits \u2013 of lander housekeeping telemetry were received. This information had been stored on board at an as-yet-to-be determined time in the past, as much as several days to a few weeks, so does not necessarily reflect the lander\u2019s current status.\n<\/p>\n<p>\nRosetta then relayed the signal to ESA\u2019s European Space Operations Centre, ESOC, in Darmstadt, Germany, at 20:28 GMT.\n<\/p>\n<p>\nSince then, the Rosetta Flight Control Team have been watching carefully for the next lander communication, which will be relayed first to ESOC\u2019s planetary mission Dedicated Control Room, seen in this photo.\n<\/p>\n<p>\nThe mission control software is programmed to trigger an audible alarm when further signals are received.\n<\/p>\n<p>\nMore details on how Rosetta\u2019s orbit is being adjusted to optimise lander communications via \u201c<a href=\"http:\/\/blogs.esa.int\/rosetta\/2015\/06\/15\/philae-wake-up-triggers-intense-planning\/\">Philae wake-up triggers intense planning<\/a>\u201d.\n<\/p>\n<p>\n<i>Listen to one of the control room alarm sounds used at ESOC via SoundCloud:<\/i>\n<\/p>\n<p>\u00a0<iframe loading=\"lazy\" width=\"100%\" height=\"166\" scrolling=\"no\" frameborder=\"no\" src=\"https:\/\/w.soundcloud.com\/player\/?url=https%3A\/\/api.soundcloud.com\/tracks\/210716263&amp;color=ff5500&amp;auto_play=false&amp;hide_related=false&amp;show_comments=true&amp;show_user=true&amp;show_reposts=false\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2015\/06\/where_philae_phones_home\/15450650-1-eng-GB\/Where_Philae_phones_home_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nThe receipt of signals from Rosetta\u2019s Philae lander on 13 June after 211 days of hibernation marked the start of intense activity. In coordination with its mission partners, ESA teams are working to juggle Rosetta\u2019s flight plan to help with renewed lander science investigations.\n<\/p>\n<p>\nPhilae has woken up after seven months in hibernation on Comet 67P\/Churyumov\u2013Gerasimenko. Hidden by shadows, Philae shut down on 15 November 2014 at 00:36 GMT after completing its main science operations sequence on the comet when the primary battery expired as expected after about 60 hours.\n<\/p>\n<p>\nOn the evening of 13 June, a weak but solid radio link between Rosetta and the lander was finally established for 85 seconds. More than 300 \u2018packets\u2019 \u2013 663 kbits \u2013 of lander housekeeping telemetry were received. This information had been stored on board at an as-yet-to-be determined time in the past, as much as several days to a few weeks, so does not necessarily reflect the lander\u2019s current status.\n<\/p>\n<p>\nRosetta then relayed the signal to ESA\u2019s European Space Operations Centre, ESOC, in Darmstadt, Germany, at 20:28 GMT.\n<\/p>\n<p>\nSince then, the Rosetta Flight Control Team have been watching carefully for the next lander communication, which will be relayed first to ESOC\u2019s planetary mission Dedicated Control Room, seen in this photo.\n<\/p>\n<p>\nThe mission control software is programmed to trigger an audible alarm when further signals are received.\n<\/p>\n<p>\nMore details on how Rosetta\u2019s orbit is being adjusted to optimise lander communications via \u201c<a href=\"http:\/\/blogs.esa.int\/rosetta\/2015\/06\/15\/philae-wake-up-triggers-intense-planning\/\">Philae wake-up triggers intense planning<\/a>\u201d.\n<\/p>\n<p>\n<i>Listen to one of the control room alarm sounds used at ESOC via SoundCloud:<\/i>\n<\/p>\n<p>\u00a0<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-230373","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/230373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=230373"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/230373\/revisions"}],"predecessor-version":[{"id":230417,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/230373\/revisions\/230417"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=230373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=230373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=230373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}