{"id":403322,"date":"2025-01-02T21:48:38","date_gmt":"2025-01-02T21:48:38","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/thermal-desktop-orbital-elements-reference-frame\/"},"modified":"2025-01-13T19:14:47","modified_gmt":"2025-01-13T19:14:47","slug":"thermal-desktop-orbital-elements-reference-frame","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/thermal-desktop-orbital-elements-reference-frame\/","title":{"rendered":"Thermal Desktop Orbital Elements Reference Frame"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;Hello,&lt;br&gt;&lt;span data-olk-copy-source=&#8221;MessageBody&#8221;&gt;When creating an orbital heating rate case around a non-Earth planet in Thermal Desktop, what coordinate system are the Keplerian orbital elements defined with respect to? For instance, for a Mars orbiting spacecraft, are the elements defined relative to some sort of inertial frame centered about the body (Mars-Centered Inertial), the international celestial reference frame (ICRF), or something else? Details about the specific frames for the default orbiting bodies are much appreciated!&lt;\/span&gt;&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-403322","topic","type-topic","status-publish","hentry","topic-tag-thermal-analysis"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["403322"],"_bbp_subscription":["463204","51233"],"_bbp_author_ip":["18.10.250.12"],"_bbp_last_reply_id":["404755"],"_bbp_last_active_id":["404755"],"_bbp_last_active_time":["2025-01-13 20:51:48"],"_bbp_reply_count":["9"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["463204","51233"],"_btv_view_count":["729"],"_bbp_topic_status":["unanswered"],"_edit_last":["51233"],"_bbp_revision_log":["a:1:{i:404749;a:2:{s:6:\"author\";i:51233;s:6:\"reason\";s:0:\"\";}}"]},"test":"10817c264b028bb58eb46ca7cf950f1dc4f33b6a"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/403322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/403322\/revisions"}],"predecessor-version":[{"id":404749,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/403322\/revisions\/404749"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=403322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}