Deimos (Satellite of Mars)

Constants

•  Mean Radius:               5.2 x 7.5 km

•  Mass:                      1.81 x 10^-9 (Earth=1)

•  Density:                   1.9 (g/cm^3)

•  Gravity:                   0.0004 (Earth=1)

•  Orbit Period:              1.262 (Earth days)

•  Rotation Period:           1.262 (Earth days)

•  Semimajor Axis of Orbit:   23,459 km

•  Eccentricity of Orbit:     0.002

Deimos Nomenclature

Official names of features on Deimos as approved by the International Astronomical Union.