Doisac
From Halopedia, the Halo wiki
Doisac is the name of the Brute homeworld. It possesses three satellites namely Warial, Solrapt and Teash while its relative position was in Oth Sonin.
The gravity on the planet was approximately 2.0G while the atmosphere was 1.3 atm. Surface temprature was between -15C to 52C. The estimated population of the planet was approximately 12.5 billion.