For the mirror universe counterpart, see Bajor (mirror).

Bajor was the homeworld of the Bajoran people and capital planet of the Republic of Bajor. Throughout much of the 24th century it was occupied by the Cardassian Union. Following Cardassian withdrawal the planet became affiliated with the United Federation of Planets, becoming a member world in 2376.

It was an class M planet, the seventh in the Bajoran system in the Alpha Quadrant, located near the Bajoran wormhole and the Denorios Belt. Its capital city was Ashalla.

Bajor had at least five moons, including Derna, Penraddo, Jeraddo and the outmost moon The Prodigal.

Unlike the planet Earth, Bajoran days last 25 hours. (TOS novel: Captain's Peril)


The Bajoran archeological record goes back to about 28,000 B.C.E. (TNG novel: The Buried Age)


Emblem of the Republic of Bajor

Bajor suffered under Cardassian occupation and oppression for over 60 years, ending in the year 2369. Shortly after the Cardassian withdrawal, the Bajoran Provisional Government petitioned the United Federation of Planets for relief efforts.

The Cardassian mining station, Terok Nor, was placed into the custodianship of Starfleet, who renamed the station Deep Space 9. (DS9 episode: "Emissary")

Agrobiology camps were set up on Bajor in the years following the Cardassian withdrawal, in order to help the Bajorans learn how to live off their ravaged planet, with the goal of making the world as fertile as it was before the environmental damage of the Cardassian mining operations. In late 2371 a Federation agrobiology camp on Bajor was the scene of a dramatic showdown when a secret Obsidian Order strike team landed nearby in order to recover a temporal disruptor that was sealed in a nearby mine. The chroniton subatomic particle flux from the released temporal device caused ripples in time that caused several alternate timelines to form, as well as a massive radiation release that caused sickness across the camp. (DS9 comic: "No Time Like the Present")

Bajor was the center of events during the Dominion War (2373-2375) due to its proximity to the Bajoran wormhole, the Dominions only pipeline for troops and material.

The Bajoran sector was temporarily occupied by the forces of the Dominion and Cardassia in the years 2373 and 2374.

The treaty ending the war with the Dominion was signed in Bajoran space, on station Deep Space 9, in late 2375. (DS9 episode: "What You Leave Behind")

Soon after, Benjamin Sisko, the Emissary of the Prophets, stopped Skrain Dukat and Winn Adami from releasing the Pah-wraith and destroying Bajor. (DS9 episode: "What You Leave Behind")

Bajor joined the United Federation of Planets on September 29, 2376. (DS9 novel: Unity)



Dahkur ProvinceDucrain ProvinceHedrikspool ProvinceHill ProvinceJanitza ProvinceKendra ProvinceLotha ProvinceMusilla ProvinceRakantha ProvinceTozhat ProvinceWyntara Mas Province


Bajoran arcticCliffs of UndaharDahkur HillsFire CavesJanitza MountainsKaladrys ValleyKendra ValleyKola MountainNorthwest peninsulaOkana DesertPerikian PeninsulaRatosha PassSahving ValleySouthern islandsTanis CanyonTrilar PeninsulaYadozi Desert


AshallaBennikarB'halaIlviaJabelonJalandaKran-TobalLacroyaSakelo CitySidauSingha

Bodies of water

Glyrhond RiverHolana RiverKorvale OceanYolja RiverValor Ocean

Natural History




BarrowbugCarnivorous rastipodHara catHyurinKata-bunnyRakonian swamp ratTokkaTwo-headed MalgorianVerdanis


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