Rhaandarel or Rhaandar is a class M planet, in the Alpha Quadrant, home to the Rhaandarite civilization. It orbits the Alpha Indi system. (Star Charts, United Federation of Planets II, TOS novel: Ex Machina)
First splinter timeline[]
In the year 2381, Rhaandarel was one of the planets attacked by the Borg. (ST novels: Lost Souls, A Singular Destiny)
This made it particularly hard for Laarin Andos, the Rhaandarite Director of the Department of Temporal Investigations, to stop people attempting to time travel and stop the attack. (DTI novel: Watching the Clock)