LunarHub.com -- Lunar Hub or Lunarhub
As of September 5, 2015, no live official trademarks were found on USPTO.gov for the exact term
Or, perhaps, NASA will buy this domain, rename its employee cafeteria the Lunar Hub, and sell edible moon rocks and other edible space food and drink (Tang).
Being future oriented, we believe that Lunar Hub could take its place in future history.
A total geek domain.
Better living through space exploration!