Zenith was recorded in Indiana's studio records simply as Early Piece, but it was assigned the title Zenith sometime prior to its first exhibition in 1984 at the National Museum of American Art in Washington D.C. Given the references to celestial objects (Sun and Moon [1959–60], Moon [1960], Star [1960–62]) in his early constructions and the circular form in the upper half of the sculpture the title is likely meant to suggest an astronomical reading. The zenith is the highest point on the celestial sphere above an individual observer.
Zenith is currently on display in Robert Indiana: The Sweet Mystery, at the Procuratie Vecchie, Venice.