Tranome Sar was a class K orange star in Romulan Star Empire space in the Beta Quadrant, near the border of the Klingon Empire. (ST reference: Star Trek: Star Charts)

The Tranome Sar system could be visually seen from Space Station KR-3. In 2311, Elias Vaughn stood in front of a viewport on the space station and tested his memory, naming all the major stars he could see in Romulan space. (ST - The Lost Era novel: Serpents Among the Ruins)

The father of the tactics officer of the IKS Pagh was captured in battle at Tranome Sar in 2360. (TNG episode: "A Matter of Honor")

The warbird IRW Tranome Sar was named for the star. (DS9 - The Fall novel: Revelation and Dust)

The sources listed here do not specify if the star had any planets.
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