An fara hasashen wanzuwar wata a cikin Encke Gap da Jeffrey N. Cuzzi da Jeffrey D. Scargle a shekarar 1985, bisa ga gefuna masu tasowa na rata wanda ke nuna rikicewar nauyi. A cikin 1986 Showalter et al. sun ƙaddamar da kewayarta da taro ta hanyar yin samfurin sautin nauyi. Sun isa ga cikakken hasashen 133,603 ± 10 km don rabin-babban axis da taro na 5<unk>10 × 10−12 Saturn masses, kuma sun ƙaddara cewa akwai wata ɗaya kawai a cikin ratar Encke.
19 kilomita