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Encyclopedia > Numbers about the solar system VIII

Orbital elements of the satellites of: MARS



 
Name number a 
(km)		 eccentricity inclination 
(degrees)		 period 
(days)		    discovery

 

Phobos I 9 380 0.0151 1.1 (e) 0.3189    Hall (1877)
Deimos II 23 460 0.0002 0.9/2.7 (e) 1.2624    Hall (1877)

(e) Inclination on the equator of the planet.
a : semi-major axis

Credit : IMCCE