Synonyms for the star Zeta Aquarii include Sadalsuud, Sadalsuud or Beta Aquarii, and Fortuna. Zeta Aquarii is the third brightest star in the constellation Aquarius and can be seen with the naked eye from most parts of the world. It has a spectral class of A2V and is approximately 540 light-years away from Earth. The name Sadalsuud is derived from the Arabic phrase sa'd al-suud, which translates to "luck of lucks." Beta Aquarii is simply named after its position as the second brightest star in Aquarius. Fortuna, on the other hand, has Roman mythology origins and was the goddess of fortune, luck, and fate.