Explore the fascinating properties and orbital characteristics of Umbriel. Detailed scientific measurements and discovery information about this celestial body.
Mean Radius
584.7 km
Equatorial Radius
584.7 km
Polar Radius
N/A
Flattening
N/A
Density
1.541 g/cm³
Surface Gravity
N/A
Mass
12.2 × 10^20 kg
Volume
8.37 × 10^8 km³
Escape Velocity
N/A
Dimension
N/A
Average Temperature
N/A
Axial Tilt
N/A
Discovered By
William Lassell
Discovery Date
24/10/1851
Alternative Name
None
Orbits
Uranus
Semi-Major Axis
266,000 km
Perihelion
265,100 km
Aphelion
267,500 km
Eccentricity
0.0039
Inclination
0.130°
Orbital Period
4.14 days
Rotation Period
99.50 hours
Mean Anomaly
N/A
Argument of Periapsis
N/A
Longitude of Ascending Node
N/A