Priors World
Priors World was a planet in the Beta Quadrant.

In the 2250s, after his failed coup against Emperor ,  traveled to this planet to recruit allies. However, during his meeting, the  ambushed Lorca's ship, the , in orbit of this planet. As Lorca was beaming back to the Buran, an ion storm hit the starship, resulting in a transporter accident, placing Lorca in the prime universe. ()

In 2259, the location of this planet was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. This planet's symbol had a blue color, indicating that it was affiliated with the . () 

In 2399, the location of Priors World was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. The planet was in or near to Federation space. () 

In 3190, the location of Priors World was labeled on a star chart used by Commander Paul Stamets for tracking the movement of the Dark Matter Anomaly through the galaxy. ()

Mirror universe
Planets