If the setter definitely means 1953 then I'd go with the answer you got earlier- unless the setter is referring to some fictional satellite from a book, comic or film. Is this the exact wording as the English is a little clumsy
thats exactly how the question is written - I've spent ages thinking of books, porgrammes etc to see if its a trick question but can't think of any. Founda satellite called cosmos but not sure if thats it