Explore the fascinating properties and orbital characteristics of Deimos. Detailed scientific measurements and discovery information about this celestial body.
Mean Radius
6.2 km
Equatorial Radius
7.8 km
Polar Radius
5.1 km
Flattening
N/A
Density
1.471 g/cm³
Surface Gravity
0.003 m/s²
Mass
1.4762 × 10^15 kg
Volume
9.9978 × 10^3 km³
Escape Velocity
5.556 m/s
Dimension
15.0 × 12 × 10.4
Average Temperature
N/A
Axial Tilt
N/A
Discovered By
Asaph Hall
Discovery Date
12/08/1877
Alternative Name
None
Orbits
Mars
Semi-Major Axis
23,459 km
Perihelion
23,456 km
Aphelion
23,471 km
Eccentricity
0.0002
Inclination
1.075°
Orbital Period
1.26 days
Rotation Period
30.30 hours
Mean Anomaly
N/A
Argument of Periapsis
N/A
Longitude of Ascending Node
N/A