There seems to be some confusion for some people, especially new players, about what planets are wiped and when.
The source of the confusion is a discrepancy between what the chat bot says in(the current rules) game and what the rules says on the website(the old rules).
The rules on the website(under server hints) says that only Mars and Deimos are reset Monday and Friday.
Where as the chat bot ingame says Mars, Deimos and Phobos, and Mars Orbit on Fridays.
I suggest/recommend updating the server rules on the website when you get the chance, to avoid this confusion.