Andorian system
The Andorian system was an inhabited planetary system located in Andorian space within the Alpha Quadrant. This system, neighboring the Vulcan system, consisted of the binary star Procyon, the inhabited moon Andoria, which orbited a gas giant, and at least four other planets, one of which was Procyon V.  (; ; )

In 2154, the Battle of Andoria took place on the outskirts of the Andorian system. ()

The system contained several other moons, which were collectively known as the moons of Andoria. ()

In 2257, during the first , this system was near the front line. ()

In a possible future, the historic Battle of Procyon V was fought in this system in the 26th century, between the  and the Sphere-Builders, wherein the forces of the Federation were successful in driving the Builders back into their transdimensional realm. At least part of the system had been subsumed by a vast trans-dimensional disturbance at the time of the battle. ()


Appendices

Background information 
A picture of a star chart supposedly used for  was tweeted by Ted Sullivan on 28 November 2017. According to this map, the star Andoria was also known as Procyon, or Alpha Canis Minoris. 

Confirmation of Andoria being in the Procyon system, or Andorian system, was made in the star chart created for the  episode . Unlike the earlier star chart, this one was seen in the episode. In the newer chart, the label "Procyon (Andoria)" was used.

External link 
 

de:Andoria-System
ja:アンドリア星系
Star systems
Andoria