Known Space   --   Sol   --   Mars   --  

Deimos


Another lumpy Martian satellite, Deimos is just as dark as Phobos and is also probably a captured asteroid.


Orbital Distance:   23,334 km - 23,466 km (average 23,400 km)
Eccentricity:       0.003
Local Year:         1.2624 days (1 day 6h 17m 51.3s)
Orbital Velocity:   1.35 km/s (average)
Inclination:        1.800°
Local Day:          1.265 days (1 day 6h 21m 36s)
Axial Tilt:         n/a

Diameter:           15 km x 12 km x 10 km (irregular)
Composition:        Carbonaceous rock
Density:            1.19 g/cm3
Mass:               1.08 x 1012 tonnes (less than 1/billion earths)
Gravity:            Negligable
Escape Velocity:    0.005 km/s
Area:               452 km2
Surface Material:   Carbonaceous rock
Atmosphere:         None
Pressure:           None
Albedo:             0.07
Temperature:        ???°C

FAQ - Astronomical Glossary


Copyright © 1996 Trisen Games