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Memory Alpha

The Alcor system was an inhabited star system in the Alpha Quadrant.

Components[]

Stellar system[]

This was a binary system consisting of the A-type primary Alcor (the official name of Alcor A) and the red dwarf Alcor B.

Planetary system[]

In the system's habitable zone, there was the inhabited planet Alcor IV.

History[]

The Alcor system was known to Starfleet at least by the 23rd century, although it wasn't yet colonized until the far future.

The Alcor system was a long distance from the location at which the USS Discovery was abandoned for nearly a millennium. The distance was such that crossing it in a Class C shuttlecraft was theoretically possible but a stretch. (ST: "Calypso")

Stellar cartography[]

This system was visible from Earth in the constellation Ursa Major. It could be found in the asterism Big Dipper and was approximately 82 light years from Sol.

In 2324, the location of Alcor was labeled in a chart used during a Section 31 Alpha Team briefing. (Star Trek: Section 31)

Information on this system was derived from the episodes, the reference works Star Trek: Star Charts and Stellar Cartography: The Starfleet Reference Library, and real-world sources. The reference works were used extensively in the creation of star charts seen in Star Trek: Discovery, Star Trek: Picard, Star Trek: Strange New Worlds, Star Trek: Prodigy, and Star Trek: Lower Decks. The real-world information added to the article was current as of 2025.

External links[]