{"id":224608,"date":"2025-11-06T01:13:38","date_gmt":"2025-11-06T07:13:38","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/post-perihelion-data-on-3i-atlas"},"modified":"2025-11-06T01:13:38","modified_gmt":"2025-11-06T07:13:38","slug":"post-perihelion-data-on-3i-atlas","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/post-perihelion-data-on-3i-atlas","title":{"rendered":"Post Perihelion Data on 3I\/ATLAS"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/post-perihelion-data-on-3i-atlas.jpg\"><\/a><\/p>\n<p>Reports from the Minor Planet Center (<a class=\"\" href=\"https:\/\/www.minorplanetcenter.net\/db_search\/show_object?utf8=%E2%9C%93&object_id=3I\" rel=\"noopener ugc nofollow\" target=\"_blank\">here<\/a>) and NASA\u2019s Jet Propulsion Laboratory (<a class=\"\" href=\"https:\/\/ssd.jpl.nasa.gov\/tools\/sbdb_lookup.html#\/?sstr=3I%2FATLAS&view=OPC\" rel=\"noopener ugc nofollow\" target=\"_blank\">here<\/a>) just released new data on the interstellar object <a class=\"\" href=\"https:\/\/en.wikipedia.org\/wiki\/3I\/ATLAS\" rel=\"noopener ugc nofollow\" target=\"_blank\">3I\/ATLAS<\/a> following its perihelion passage on October 29, 2025. The new data covers the period between October 31 and November 4.<\/p>\n<p>When compared to previous data obtained on October 5\u20138, it appears that 3I\/ATLAS brightened by a factor of ~5 in the <a class=\"\" href=\"https:\/\/www.annualreviews.org\/content\/journals\/10.1146\/annurev.astro.41.082801.100251\" rel=\"noopener ugc nofollow\" target=\"_blank\">Green-band<\/a> which is centered at a wavelength of 0.464 micrometers.<\/p>\n<p>The value of the non-gravitational acceleration was reduced by a third relative to the value reported on October 29. This reduction is within the uncertainties. The net detection is now more robust, standing at a level of 3.7 standard deviations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reports from the Minor Planet Center (here) and NASA\u2019s Jet Propulsion Laboratory (here) just released new data on the interstellar object 3I\/ATLAS following its perihelion passage on October 29, 2025. The new data covers the period between October 31 and November 4. When compared to previous data obtained on October 5\u20138, it appears that 3I\/ATLAS [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-224608","post","type-post","status-publish","format-standard","hentry","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=224608"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224608\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}