🌐中文EnglishNederlandsPortuguêsفارسی한국어中文EntityQ4764021· pop 5· linked from 8 articles角离心率Available in 5 languagesPortuguêsNederlandsSlovenianفارسیvia Wikidata sitelinks · CC0Connectionssemi-axisEntityellipseEntityCategoriesConic sectionsGeodesy