Bajor was the inhabited eleventh planet of the Bajor system. This system was located in the Bajor sector, a region of space in the Alpha Quadrant. This was the largest planet in the system and had five moons, including Derna and Jeraddo. The planet was the homeworld of the Bajorans, a warp-capable humanoid species. After decades of Cardassian rule, the planet regained its independence and became affiliated with the United Federation of Planets in 2369.