Arbran I is a hot, airless ball of rock that orbits the system star at a distance of just over one hundred and eleven million kilometres. There is some evidence that the planet once had an atmosphere, but a massive solar eruption approximately one hundred millennia before the present time burned this atmosphere away, leaving behind a charred and blistered orb of basalt and quartz. Arbran I completes a daily cycle in nine point five standard hours and a complete rotation around the sun in two hundred seven local days. With a daily temperature well over three hundred standard degrees, life is not possible on the surface of the planet unless one is in one of the heavily shielded mining cities that cover the surface of the planet or within a shielded starship. The system’s blue-white star constantly bombards the world’s surface with lethal doses of X-rays and gamma radiation, meaning even the numerous automated transport ships hauling Arbran I’s mineral riches off-world require additional radiation shielding.
Life on Arbran I centres on the extraction of the planet’s considerable mineral wealth. Intra-system mining corporations pay well for sentients to put up with the claustrophobic and humid environments within the mining domes, and a mine worker can earn a year’s wages for a common labourer in just three months. Due to the hazardous global environment, safety and risk management measures are an all-encompassing feature of life for those who call the planet home, even temporarily. Personal liberties are somewhat restricted, as is the consumption of alcohol and other intoxicants, as a single drunken miner flipping the wrong switch at the wrong time could doom hundreds, if not thousands, of his fellow workers.