For other uses, see Zorn.

Zorn I (or Theta Rill I) was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, the first planet in orbit of the Theta Rill star system, at coordinates 2.09S 5.26W.

In the 23rd century, Zorn I was home to a Human agricultural colony, a noted cultural center. By reference stardate 2/2306.01, the world had a population of 3.01 billion individuals, mostly Human, and the government was a full-status colonial member of the Federation. (FASA RPG module: The Federation)