<Tr> <Th_colspan="3"> Name and pronunciation </Th> <Th> Image </Th> <Th> Diameter (km) </Th> <Th> Mass (kg) </Th> <Th> Semi-major axis (km) </Th> <Th> Orbital period (h) </Th> <Th> Average moonrise period (h, d) </Th> </Tr> <Tr> <Td> Mars I </Td> <Td> Phobos </Td> <Td> / ˈfoʊbəs / FOH - bəs </Td> <Td> </Td> <Td> 22.2 km (13.8 mi) (27 × 21.6 × 18.8) km </Td> <Td> 1.08 × 10 </Td> <Td> 9,377 km (5,827 mi) </Td> <Td> 7.66 </Td> <Td> 11.12 h (0.463 d) </Td> </Tr> <Tr> <Td> Mars II </Td> <Td> Deimos </Td> <Td> / ˈdaɪmɒs / DY - moss </Td> <Td> </Td> <Td> 12.6 km (7.8 mi) (10 × 12 × 16) km </Td> <Td> 2 × 10 </Td> <Td> 23,460 km (14,580 mi) </Td> <Td> 30.35 </Td> <Td> 131 h (5.44 d) </Td> </Tr> <Tr> <Td_colspan="9"> The relative sizes of and distance between Mars, Phobos, and Deimos, to scale <P> (Load the image in full size to see both Moons of Mars .) </P> </Td> </Tr>

Name the moons of mars and describe their orbits