Alpha Aurigae system
From Halopedia, the Halo wiki
Alpha Aurigae was a UNSC colonies star system. It was invaded on October 21, 2526 by the Covenant. Admiral Cole's fleet responded, defeating the Covenant fleet, but taking heavy casualties in the battle. The fate of the colony, located in the Origami Asteroid Field, whether it was glassed or not, and the state of any survivors, is unknown.