 Based upon parallax measurements taken during the Hipparcos mission, it is approximately 235 light-years from the Sun.Zeta Ceti is the primary or 'A' component of a double star system designated WDS J01515-1020 (the secondary or 'B' component is HD 11366).Zeta Ceti's two components are therefore designated WDS J01515-1020 Aa and Ab.