Skip to content
Prospero

File:Prospero_-_Uranus_moon.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ18497· pop 50· linked from 63 articles

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
Apparent magnitude
23,2
Absolute magnitude h
10,6

via Wikipedia infobox

Wikidata facts

Radius
0.040
Mass
99
Orbital period
1978.29
Image
Prospero - Uranus moon.jpg
Show 8 more facts
time of discovery or invention
1999-07-18
provisional designation
S/1999 U 3
orbital eccentricity
0.4448
semi-major axis of an orbit
16243000
orbital inclination
152
volume as quantity
65000
albedo
0.040
Commons category
Prospero (moon)
Sources (4)

via Wikidata · CC0

~3 min read

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

Gallery (2)

Connections

Categories