Twinfinite: “Floating in orbit around the planet Nesoi in the Olympus system, youll stumble upon a casino filled with hostile Spacers called the Almagest. Youll need to dock and board the space station before you can do any gambling, though. Once aboard, youll soon discover a vault that you can access, as long as you know the combination.”
Source: N4G PC What's the Almagest Jackpot Code in Starfield?