Setebos is one of the outermost retrograde irregular satellites of

Uranus Uranus is the seventh planet from the Sun. Its name is a reference to the Greek god of the sky, Uranus (Caelus), who, according to Greek mythology, was the great-grandfather of Ares (Mars), grandfather of Zeus (Jupiter) and father of Cronu ...

. It was discovered on 18 July 1999 by John J. Kavelaars ''et al.'' and provisionally designated S/1999 U 1. Setebos discovery

Confirmed as Uranus XIX, it is named after the god worshipped by

Caliban Caliban ( ), son of the witch Sycorax, is an important character in William Shakespeare's play '' The Tempest''. His character is one of the few Shakespearean figures to take on a life of its own "outside" Shakespeare's own work: as Russell ...

and

Sycorax Sycorax is an unseen character in William Shakespeare's play '' The Tempest'' (1611). She is a vicious and powerful witch and the mother of Caliban, one of the few native inhabitants of the island on which Prospero, the hero of the play, is s ...

William Shakespeare William Shakespeare ( 26 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's natio ...

's play '' The Tempest''. The orbital parameters suggest that it may belong to the same dynamic cluster as

and

Prospero Prospero ( ) is a fictional character and the protagonist of William Shakespeare's play '' The Tempest''. Prospero is the rightful Duke of Milan, whose usurping brother, Antonio, had put him (with his three-year-old daughter, Miranda) to sea ...

, suggesting common origin. However, this suggestion does not appear to be supported by the observed colours. The satellite appears neutral (grey) in

visible light Light or visible light is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 tera ...

( colour indices B-V=0.77, R-V=0.35), similar to Prospero but different from Sycorax (which is light red). A crater on Umbriel is also named after Setebos, but with the spelling Setibos.

References

* *

External links

Setebos Profile
(b
NASA's Solar System Exploration

(by Scott S. Sheppard)
MPC: Natural Satellites Ephemeris Service
{{DEFAULTSORT:Setebos (Moon) Moons of Uranus Irregular satellites 19990718 Moons with a retrograde orbit

See also

References

External links