Tanalorne was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, in orbit of the Alpha Vegetis star system, at coordinates 0.56N 2.94E.

In the 23rd century, Tanalorne was home to a Federation colony, a noted center of science and agriculture. By reference stardate 2/2306.01, the world had a population of 150 million individuals of various races and cultures, chartered as dependent colony of the Federation. (FASA RPG module: The Federation)