An gano shi a 1980 (wani lokaci kafin 25 ga Oktoba) daga hotunan da Voyager 1 ya ɗauka, kuma an sanya shi na wucin gadi S/1980 S 27. A ƙarshen 1985 an sanya shi a hukumance bayan Prometheus, Titan a cikin tatsuniyoyin Girka. An kuma sanya shi Saturn XVI (16).
Prometheus