For what it's worth here's a NASA document using the same 1kg/day number: https://ntrs.nasa.gov/api/citations/20090029352/downloads/20090029352.pdf https://ntrs

For what it's worth here's a NASA document using the same 1kg/day number: https://ntrs.nasa.gov/api/citations/20090029352/downloads/20090029352.pdf https://ntrs.nasa.gov/api/citations/20090029352/downloads/20... I don't know where I originally got that value from, it's one that has stuck in my head for years.