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Umbriel

[Image of Umbriel]

Mean Radius:
584.7 km

Mass:
1.27x1021 kg

Orbital Period:
4.144 Earth days

Rotation Period:
4.144 Earth days

Orbit:
267,000 km from Uranus

Umbriel one of the five large moons orbiting Uranus. Other moons include Ariel, Miranda, Oberon, and Titania. There a number of smaller moons also orbiting Uranus.

Web Pages with Information about Umbriel

Astrogeology Research Program

Browse the Solar System: Interactive version of our popular poster Mapping the Solar System
Browse the Geologic Solar System: Interactive version of our popular poster Geology of the Solar System
Planetary Maps: Searchable comprehensive listing of published planetary maps, with links to digital versions when available.
Geologic Mapping: Download digital geologic maps, learn about our geologic mapping efforts, and access geologic mapping resources from the Planetary Geologic Mapping Program
Gazetteer of Planetary Nomenclature: Information about and access to the official International Astromical Union approved names for planetary features
Cartographic Coordinates and Rotational Elements of the Planets and Satellites - IAU Working Group: IAU CCRE Working Group, information, publications, and references, including tables of the accepted values for the size, shape, and rotations of the planets and satellites
NASA Planetary Photojournal: Images from various Solar System exploration programs

Other Web Sites