Good news; 10th planet (not even including the fairly massive protoplanet or possibly protomoon Sedna of 1800 km at 2+ g/cm3 that should go into terraforming Venus) that's supposedly a bit more massive and perhaps nearly as dense as Pluto means many things to different
OK, I could probably look this up but I'm lazy. How much mass in consumables does it take per x-naut/day? That is, food, water, air, clothing, toiletries and towels, etc. I'd include x-naut entertainment in this category (e.g., DVD's, books, personal effects).