A moon of Orcus was found on [[22 February]] [[2007]].<ref>{{Cite web |url=http://www.johnstonsarchive.net/astro/astmoons/am-90482.html |title=(90482) Orcus and Vanth |access-date=2009-02-27 |archive-date=2012-02-08 |archive-url=https://www.webcitation.org/65IF3ZmvN?url=http://www.johnstonsarchive.net/astro/astmoons/am-90482.html |url-status=bot: unknown }}</ref> | A moon of Orcus was found on [[22 February]] [[2007]].<ref>{{Cite web |url=http://www.johnstonsarchive.net/astro/astmoons/am-90482.html |title=(90482) Orcus and Vanth |access-date=2009-02-27 |archive-date=2012-02-08 |archive-url=https://www.webcitation.org/65IF3ZmvN?url=http://www.johnstonsarchive.net/astro/astmoons/am-90482.html |url-status=bot: unknown }}</ref> |