Alpha Beta Quadrant Overview star chart

Alpha/Beta Quadrant Overview

Beta Thoridar was a location in Klingon space, in the Beta Quadrant.

In 2256, its location was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the USS Discovery. This star was located within the territory of the Klingon Empire. (DIS: "Magic to Make the Sanest Man Go Mad", "The War Without, The War Within")

A year later, its location was labeled on the star chart showing the trajectory of Lieutenant Spock's shuttle. (DIS: "An Obol for Charon")

In late 2367, at the start of the Klingon Civil War, the House of Duras gathered a large fleet near this location while preparing to launch an offensive against Gowron's forces. (TNG: "Redemption")

In the episode "Magic to Make the Sanest Man Go Mad", the star's name was spelled "Beta Thoridor".
According to Star Trek: Star Charts (p. 61) and Stellar Cartography: The Starfleet Reference Library ("Stellar Cartography", pp. 27, 30; "Federation Historical Highlights, 2161-2385"), Beta Thoridor was a M-class star. According to a map of the Klingon Empire – prepared by the Scribe K'Tark for the Klingon High Council in the Year of Kahless 893 (2266) – Beta Thoridar was identified as a Klingon star.
The Star Trek Encyclopedia (4th ed., vol. 1, p. 81) identified Beta Thoridar as a planet.
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