Sungrazer The Sungrazer functioned as the central base of operations for the Sungrazer cooperative. This group exploited slaves in the perilous practice of comet mining. The vessel itself was a mining ship. Around 3963 BBY, the ship contained approximately 80 enslaved individuals from different species. These individuals were compelled to extract thorilide crystals from a comet located within the Koornacht Cluster, facing deadly hazards.