The Teplan system was a star system located in the Gamma Quadrant, between the Jenkata Nebula and the Kendi system. It held a single star, a blue-white A-class star with a brightness of magnitude +3 (ST reference: Star Charts).

The system held the homeworld of the Teplan race (DS9 episode: "The Quickening"; Decipher RPG module: Through a Glass, Darkly).

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