{"id":1017,"date":"2019-11-21T22:02:30","date_gmt":"2019-11-21T21:02:30","guid":{"rendered":"https:\/\/turm.physik.tu-darmstadt.de\/?p=1017"},"modified":"2021-12-26T21:10:29","modified_gmt":"2021-12-26T20:10:29","slug":"asteroid-162082-1998-hl1","status":"publish","type":"post","link":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/2019\/11\/asteroid-162082-1998-hl1\/","title":{"rendered":"Asteroid 162082 (1998 HL1)"},"content":{"rendered":"\n<p>On October 25, 2019 the &#8220;potentially hazardous&#8221; asteroid 162082 (1998 HL1) made its closest approach to earth. The asteroid has a diameter of a little over 500 meters and was still more than 6 million kilometers away, which corresponds to 10 earth-moon distances &#8211; not so close after all. <\/p>\n\n\n\n<p>Nevertheless, a great opportunity to catch it. Using our TURMX Observatory in Spain, we shot a sequence of images with 120 sec exposure time for a period of  little over one hour, starting at about 20:00 UT. We combined the images, without any processing apart from a histogram stretch, to a to movie that you see below.<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"774\" style=\"aspect-ratio: 1024 \/ 774;\" width=\"1024\" autoplay controls loop src=\"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-content\/uploads\/2019\/11\/1998-HL1_FlyBy1024.mp4\"><\/video><\/figure>\n\n\n\n<p>Can you spot the asteroid?  It is moving fast from top to bottom in the left-hand quarter of the image. Already the individual frames show a short track of the asteroid, moving in front of an interesting stellar scenery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On October 25, 2019 the &#8220;potentially hazardous&#8221; asteroid 162082 (1998 HL1) made its closest approach to earth. The asteroid has a diameter of a little over 500 meters and was still more than 6 million kilometers away, which corresponds to 10 earth-moon distances &#8211; not so close after all. Nevertheless, a great opportunity to catch [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-1017","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-uncategorized","7":"czr-hentry"},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"tc-grid-full":false,"tc-grid":false,"tc-thumb":false,"slider-full":false,"slider":false,"tc-sq-thumb":false,"tc-ws-thumb":false,"tc-ws-small-thumb":false,"tc-slider-small":false},"uagb_author_info":{"display_name":"Robert Roth","author_link":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/author\/rroth\/"},"uagb_comment_info":0,"uagb_excerpt":"On October 25, 2019 the &#8220;potentially hazardous&#8221; asteroid 162082 (1998 HL1) made its closest approach to earth. The asteroid has a diameter of a little over 500 meters and was still more than 6 million kilometers away, which corresponds to 10 earth-moon distances &#8211; not so close after all. Nevertheless, a great opportunity to catch&hellip;","_links":{"self":[{"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/posts\/1017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/comments?post=1017"}],"version-history":[{"count":8,"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/posts\/1017\/revisions"}],"predecessor-version":[{"id":1028,"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/posts\/1017\/revisions\/1028"}],"wp:attachment":[{"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/media?parent=1017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/categories?post=1017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/turm.physik.tu-darmstadt.de\/wordpress\/wp-json\/wp\/v2\/tags?post=1017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}