{"id":"S85127913","label":"Stellar inertial navigation systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85127913","normalized_label":"stellar inertial navigation systems","broader":["http://id.loc.gov/authorities/subjects/sh85065990","http://id.loc.gov/authorities/subjects/sh85095143"],"aliases":["Astroinertial guidance systems","Optical inertial navigation systems","Star tracking systems","Stellar inertial guidance systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85127913","provider":"lcsh","revision":"b1abab1e5b699a9d","taxonomy_revision":"f050b5d4780b1289","title":"Stellar inertial navigation systems","url":"/topics/S85127913","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547710668061426244","address_version":"morton4x16-v1","coordinates":[0,20,19403,41984],"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}