Rigel II was an inhabited planet. It was the second planet in the Rigel planetary system. This system was located in the Kandari sector, which was a region of space in the Alpha Quadrant. The planet was affiliated with the United Federation of Planets.
This was one of seven inhabited planets in this system; the others were Rigel III; Rigel IV, Rigel V, Rigel VII, Rigel X, and Rigel XII. (TOS: "Mudd's Women", "The Menagerie, Part II", "Shore Leave", "Wolf in the Fold", "Journey to Babel"; Star Trek VI: The Undiscovered Country, production art; TNG: "Conspiracy" display graphic; TNG: "All Good Things..."; ENT: "Broken Bow")
Lieutenant Commander Leonard McCoy of the Federation starship USS Enterprise once met a pair of scantily-clad women in a cabaret chorus line on Rigel II. In 2267, the two women were recreated from Dr. McCoy's imagination on the Shore Leave Planet in the Omicron Delta region. (TOS: "Shore Leave")
|Rigel II • Rigel III • Rigel IV • Rigel V • Rigel VI • Rigel VII • Rigel X • Rigel XII • Asteroid Belt|
"The Explored Galaxy"
"The Explored Galaxy" was a map of charted space in the Alpha Quadrant. Rigel was located between the Tholian Assembly and Romulus. Both locations were identified in DS9: "The Search, Part II", "Call to Arms" as being located in this quadrant. The chart, first seen chronologically in Star Trek VI: The Undiscovered Country, was also seen in several Star Trek: The Next Generation and Star Trek: Deep Space Nine episodes set in the 24th century, from the year 2364 to 2370. These were TNG: "Conspiracy", "The Measure Of A Man", "The Emissary", "The Mind's Eye", "The Game", and DS9: "In the Hands of the Prophets", "Cardassians".
Rigel II, or Beta Rigel II, was a M class planet. The planet was a member planet of both the United Rigel Colonies and the United Federation of Planets. Rigel II was admitted, along with the United Rigel Colonies, to the Federation in 2202. (pgs. 52, 59, "United Federation of Planets I")