In the year 2075, humanity has spread to the stars, along with their technology, colonies, and... waste? At such great speeds in orbit, even a tiny bolt can cause a tragic disaster. Enter the team of the half division. Their job? To gather the garbage and debris that circles the Earth, in order to keep space safe. From broken-down satellites to bolts and nails, there's nothing that the underpaid and underappreciated staff can't salvage. Join Hachimaki, Tanabe, Fee, and the rest of the gang as they risk their lives to keep space clean, and keep their wallets... empty.
If you liked Planetes or Galaxy Railways, you'd like the other because both shows are mostly episodic until they get near the end and they both have a great cast of characters. Both take place in space, and they both have underlying messages in each episode.