Prospero
Also known as Uranus XVIII, S/1999 U 3
moon of Uranus
Key facts
- Discovered by
- John J. Kavelaars Brett J. Gladman Matthew J. Holman Jean-Marc Petit Hans Scholl
- Discovery date
- 18 July 1999
- Designation
- Uranus XVIII
- Pronunciation
- / ˈ p r ɒ s p ɛ r oʊ /
- Adjectives
- Prosperonian / p r ɒ s p ɛ ˈ r oʊ n i ə n / , Prosperian / p r ɒ ˈ s p ɪər i ə n /
- Mean orbit radius
- 16,256,000 km
- Orbital period sidereal
- 1978.29 d
- Inclination
- 152° (to the ecliptic )
- Satellite of
- Uranus
- Mean diameter
- 50 km , <50 km
- Synodic rotation period
- 7.145 ± 0.092 h
- Albedo
- 0.04 (Assumed) , >0,03
Article
Prospero, also known as Uranus XVIII, is one of the largest retrograde irregular satellites of Uranus.
Animation of discovery images to show Prospero's motion among background stars