report has claimed nasa can afford a crewed mission to orbit the martian moon phobos in 2033 , leading up to a crewed landing on the red planet in 2039 .
the planetary society analysed the feasibility and cost of a crewed mission to orbit the martian moon phobos in 2033 , leading up to a crewed landing on the red planet in 2039 .
the phobos orbital mission would last approximately 30 months , with nine months of travel each way and 12 months in orbit , the panelists said .