The Kelrabi system was an inhabited star system. Located in Sector 21505, this Cardassian system was home to a secondary research station; the primary research station was in the Cuellar system.

In 2367, after the destruction of the Cuellar station, the Kelrabi station and other stations in the sector experienced an added burden. When Captain Benjamin Maxwell wanted to convince Starfleet of secret Cardassian preparations for a new war, he used his ship, the USS Phoenix, to intercept a supply ship headed for this system. Though the ship was using a high energy subspace field to jam sensors, Captain Picard of the USS Enterprise-D refused to board the ship and instead arrested Maxwell. (TNG: "The Wounded", "The Mind's Eye")

This system was only mentioned in dialogue.
According to Star Trek: Star Charts (p. 47) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), this system was located in the Alpha Quadrant. The system's primary was a M-class star.
According to, the primary was named Kelrabi.
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