Quick facts
Parent planet
Diameter (mean)
47 km
Mass
7.5 × 10¹⁶ kg
1e-06 Moon masses
Mean orbital radius
17,418,000 km
Orbital period
2225.2 Earth days
Discovery year
1999
Discoverer
John J. Kavelaars et al.
Naming origin
Deity invoked by Caliban in The Tempest
Surface conditions
Setebos is a retrograde outer irregular Uranian moon, captured from outer-solar-system origins.
Missions and observations
Every Uranus-system mission has had an opportunity to image or characterize Setebos. The list below is the Uranus-system mission catalog; specific Setebos encounters are documented in mission archives.
| Mission | Year at Uranus | Status |
|---|---|---|
|
Voyager 2 NASA |
1986 | Completed |
Naming etymology
Setebos was a deity invoked by Caliban and his mother Sycorax in Shakespeare's The Tempest — a god of the Patagonians, taken by Shakespeare from contemporary accounts of South American voyages. Adopted by the IAU in 2001.
Methodology & sources
Diameter, mass, and orbital parameters from JPL Solar System Dynamics — Physical Parameters. Discovery year and discoverer from the JPL Satellite Discovery Circumstances. Naming etymology from the IAU Working Group for Planetary System Nomenclature. Stylized SVG hero composed from NASA / JPL imagery as visual reference; no photographs are reproduced.