{"id":"S93000313","label":"Orbital mechanics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93000313","normalized_label":"orbital mechanics","broader":["http://id.loc.gov/authorities/subjects/sh85008885","http://id.loc.gov/authorities/subjects/sh85082767"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93000313","provider":"lcsh","revision":"3db8c1f648477a5b","taxonomy_revision":"f050b5d4780b1289","title":"Orbital mechanics","url":"/topics/S93000313","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9853959547637613092","address_version":"morton4x16-v1","coordinates":[0,22,11337,58368],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}