{"id":28669,"date":"2025-05-29T18:03:48","date_gmt":"2025-05-29T18:03:48","guid":{"rendered":"https:\/\/medexperts.pro\/?p=28669"},"modified":"2025-05-29T18:24:45","modified_gmt":"2025-05-29T18:24:45","slug":"new-likely-dwarf-planet-discovered-in-remote-region-of-solar-system","status":"publish","type":"post","link":"https:\/\/medexperts.pro\/?p=28669","title":{"rendered":"New Likely Dwarf Planet Discovered in Remote Region of Solar System"},"content":{"rendered":"<p id=\"article-summary\" class=\"css-79rysd e1wiw3jv0\">The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach its closest point to the sun is in the year 26186.<\/p>\n<section class=\"meteredContent css-1r7ky0e\">\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-0\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">A sizable world has been found in a part of the solar system that astronomers once thought to be empty. It probably qualifies as <a class=\"css-yywogo\" href=\"https:\/\/www.nytimes.com\/interactive\/2022\/science\/is-pluto-a-planet.html\" title>a dwarf planet, the same classification as Pluto<\/a>.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Temporarily named 2017 OF201, it takes more than 24,000 years to travel around the sun just once along a highly elliptical orbit, coming as close as 4.2 billion miles and moving as far out as 151 billion miles. (Neptune is just 2.8 billion miles from the sun.)<\/p>\n<p class=\"css-at9mc1 evys1bk0\">And 2017 OF201 may have implications for the hypothesis of an undiscovered planet, nicknamed <a class=\"css-yywogo\" href=\"https:\/\/www.nytimes.com\/video\/science\/100000004155131\/a-ninth-planet-once-again.html\" title>Planet Nine<\/a>, in the outer reaches of the solar system.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">\u201cWe discovered a very large trans-Neptunian object in a very exotic orbit,\u201d said Sihao Cheng, a researcher at the Institute for Advanced Study in Princeton, N.J.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"Dropzone-1\"><\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-1\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">The <a class=\"css-yywogo\" href=\"https:\/\/arxiv.org\/pdf\/2505.15806\" title rel=\"noopener noreferrer\" target=\"_blank\">findings<\/a>, by Dr. Cheng and two Princeton University graduate students, Jiaxuan Li and Eritas Yang, have not yet been published in a peer-reviewed journal.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Estimated to be about 430 miles wide, 2017 OF201 is very likely to be massive enough for its gravity to pull it into a round shape \u2014 the criterion for a dwarf planet. The International Astronomical Union created this category in 2006 when it dropped Pluto from the roster of full-fledged planets.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"InteractiveBlock-3\">\n<div class=\"css-1sk8wv4\" data-testid=\"interactive-block\"><a class=\"css-1f0en3d\" href=\"https:\/\/www.nytimes.com\/interactive\/2022\/science\/is-pluto-a-planet.html\"><\/p>\n<div class=\"css-1fnp0wc\"><\/div>\n<div class=\"css-1g3u91s\">\n<h2 class=\"css-1a9yvhp\">Is Pluto a Planet? What\u2019s a Planet, Anyway?<\/h2>\n<p class=\"css-vop5d5\">More than 15 years after Pluto was demoted to dwarf planet, the debate, even among scientists, continues.<\/p>\n<\/div>\n<p><\/a><\/div>\n<\/div>\n<div data-testid=\"Optimistic-4\">\n<div class=\"css-kbghgg\">\n<div class=\"css-121kum4\">\n<div class=\"css-171quhb\"><\/div>\n<div class=\"css-asuuk5\">\n<div class=\"css-7axq9l\" data-testid=\"optimistic-truncator-noscript\">\n<div data-testid=\"optimistic-truncator-noscript-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">We are having trouble retrieving the article content.<\/p>\n<p class=\"css-3kpklk\">Please enable JavaScript in your browser settings.<\/p>\n<\/div>\n<\/div>\n<div class=\"css-1dv1kvn\" id=\"optimistic-truncator-a11y\">\n<hr \/>\n<p>Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0<a href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F05%2F29%2Fscience%2Fdwarf-planet-nine-discovery.html&amp;asset=opttrunc\">log into<\/a>\u00a0your Times account, or\u00a0<a href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F05%2F29%2Fscience%2Fdwarf-planet-nine-discovery.html\">subscribe<\/a>\u00a0for all of The Times.<\/p>\n<hr \/>\n<\/div>\n<div class=\"css-1g71tqy\">\n<div data-testid=\"optimistic-truncator-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">Thank you for your patience while we verify access.<\/p>\n<p class=\"css-3kpklk\">Already a subscriber?\u00a0<a data-testid=\"log-in-link\" class=\"css-z5ryv4\" href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F05%2F29%2Fscience%2Fdwarf-planet-nine-discovery.html&amp;asset=opttrunc\">Log in<\/a>.<\/p>\n<p class=\"css-3kpklk\">Want all of The Times?\u00a0<a data-testid=\"subscribe-link\" class=\"css-z5ryv4\" href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F05%2F29%2Fscience%2Fdwarf-planet-nine-discovery.html\">Subscribe<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach its closest point to the sun is in the year 26186.A sizable world has been found in a part of the solar system that astronomers once thought to be empty. It probably qualifies as a dwarf planet, the same classification as Pluto.Temporarily named 2017 OF201, it takes more than 24,000 years to travel around the sun just once along a highly elliptical orbit, coming as close as 4.2 billion miles and moving as far out as 151 billion miles. (Neptune is just 2.8 billion miles from the sun.)And 2017 OF201 may have implications for the hypothesis of an undiscovered planet, nicknamed Planet Nine, in the outer reaches of the solar system.\u201cWe discovered a very large trans-Neptunian object in a very exotic orbit,\u201d said Sihao Cheng, a researcher at the Institute for Advanced Study in Princeton, N.J.The findings, by Dr. Cheng and two Princeton University graduate students, Jiaxuan Li and Eritas Yang, have not yet been published in a peer-reviewed journal.Estimated to be about 430 miles wide, 2017 OF201 is very likely to be massive enough for its gravity to pull it into a round shape \u2014 the criterion for a dwarf planet. The International Astronomical Union created this category in 2006 when it dropped Pluto from the roster of full-fledged planets.Is Pluto a Planet? What\u2019s a Planet, Anyway?More than 15 years after Pluto was demoted to dwarf planet, the debate, even among scientists, continues.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0log into\u00a0your Times account, or\u00a0subscribe\u00a0for all of The Times.Thank you for your patience while we verify access.Already a subscriber?\u00a0Log in.Want all of The Times?\u00a0Subscribe.<\/p>\n","protected":false},"author":1,"featured_media":19614,"comment_status":"close","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-28669","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"_links":{"self":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/28669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=28669"}],"version-history":[{"count":2,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/28669\/revisions"}],"predecessor-version":[{"id":28671,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/28669\/revisions\/28671"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/media\/19614"}],"wp:attachment":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=28669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}