Prospero (/ˈprɒspəroʊ/ PROS-pər-oh) is a relatively small retrograde irregular satellite of Uranus discovered on 18 July 1999 by the astrophysicist Matthew Holman and his team and given the provisional designation S/1999 U 3. Confirmed as Uranus XVIII it was named after the sorcerer Prospero in William Shakespeare’s play The Tempest.The orbital parameters suggest that it may belong to the same dynamic cluster as Sycorax and Setebos suggesting common origin.
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density (μ3)
1300.0
mass (kg)
8500.0
mean radius (km)
25000.0
orbital period (μ)
1.70924e+08
surface area (km2)
8e+09
temperature (K)
65.0
volume (km3)
6.5e+13
albedo
0.04
discovery date
1999-07-18
discoverer
Hans Scholl (astronomer), John J. Kavelaars, Matthew J. Holman, Brett J. Gladman, Jean-Marc_Petit
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