In Job 38:31, God asks whether Job can loosen the belt of which constellation?

Answer: Orion

Job 38:31: "Can you bind the chains of the Pleiades or loosen the belt of Orion?" (KJV: "the bands of Orion").

“Can you bind the chains of the Pleiades or loosen the belt of Orion?”— Job 38:31 (BSB)