Moons of Mars
Orbital details

Moons of Mars

Section Title: Orbital details
Table Section Text: None

Name and pronunciation	Image	Diameter (km)	Surface Area (km)	Mass (kg)	Semi-major axis (km)	Orbital period (h)	Average moonrise period (h, d)

Mars I	Phobos	/ˈfoʊbəs/ FOH-bəs	-	22.2 km (13.8 mi)(27×21.6×18.8 km)	1,548 km	1.08×1016	9,377 km (5,827 mi)	7.66	11.12 h (0.463 d)

Mars II	Deimos	/ˈdaɪməs/ DY-məss	-	12.6 km (7.8 mi) (10×12×16 km)	483 km	2×1015	23,460 km (14,580 mi)	30.35	131 h (5.44 d)

Mars Moons Orbit distance.jpegThe relative sizes of and distance between Mars, Phobos, and Deimos, to scale (Load the image in full size to see both Moons of Mars.)

Sentence(s)

Phobos and Deimos have their respective orbital periods of 7.66 and 30.35 hours.

final_sentence: Phobos and Deimos have their respective orbital periods of 7.66 and 30.35 hours.