Earth Mars has two small moons - both equally of which can be captured asteroids. Deimos and Phobos are very difficult to see other than in significant telescopes resulting from getting so near to Mars. Moons are listed by dimensions. Moons in the Photo voltaic system are on the list https://bestmoons83715.oblogation.com/33855175/best-moons-things-to-know-before-you-buy