Its moon Phobos orbits the planet in 7 hours, rises in the west, & sets in the east
It's 
possible that Phobos (along with Deimos) is a captured asteroid, but there are 
some... [DOC] [TLE] Phobos - Astro Bob - First [PAR] The stars rise and set, reflecting the rotation of our planet, constellations shift ... 
the planet's surface, so close it takes just 7 hours 39 minutes to complete its orbit.