- For other uses, see Hadley.
Hadley II is an inhabited planet located in the Hadley 557 star system, at coordinates 0.89N 0.88E.
In the 23rd century, Hadley was home to a Federation industrial colony that was a noted center of Starfleet naval interests, as well as culture and trading. In the late 23rd century, the world had a population of 7.47 billion individuals, and the government was a full member of the Federation. (FASA RPG module: The Federation)