Planet Mars has two little moons - both of which may be captured asteroids. Deimos and Phobos are very difficult to discover besides in large telescopes resulting from getting so near Mars. Moons are shown by size. Kerberos was found out in 2011, and Styx was present in 2012, both https://travisdhhig.blogminds.com/a-review-of-bestmoons-31780660