Prospero

MOONMoon of Uranus

ILLUSTRATION · NO MEASURED PROPERTIES · SHADING, NOT THE PHASE

[

OVERVIEW

] MOON

Prospero is a moon of Uranus. It orbits Uranus at a mean distance of 1.62×10⁷ . It was discovered in 1999.

WHAT IT IS
Moon of Uranus
HOW FAR
1.62×10⁷

Its average distance from Uranus, not from Earth.

ONE ORBIT TAKES
5.4

One trip round Uranus.

[

CATALOG DATA

] 10 FIELDS

The raw catalogue values, as the source published them, with the error bars where one was published — sorted by what each set of figures is about rather than by the order they happened to be stored in.

THE ORBIT

The shape of the path, where the object sits on it, and the instant those figures were true of. An orbit is a fit to observations and drifts away from the real one either side of its epoch.

Orbits
Uranus
Orbital period
5.405
Eccentricity
Inclination
149.4

WHEN IT WAS FOUND

Who first saw it, from where, and by what method.

Discovered by
M. Holman, J.J. Kavelaars, B. Gladman, J.-M. Petit, H. Scholl

OTHER NAMES AND NUMBERS

The identifiers other catalogues file this object under, for anyone joining this data to theirs.

Also known as
Uranus XVIII
JPL satellite code
718
Wikidata item
Q18497
Wikipedia article
Prospero (moon)

WHERE THESE FIGURES CAME FROM

Which catalogue, paper or model each of the fields above was read from, where the source named one.

Ephemeris
URA117
[

ALSO KNOWN AS

] 1 DESIGNATIONS
  • Common name Prospero
[

CITE THIS PAGE

] DR1

This page is live and its numbers move when an upstream refreshes, so the citation names the release the rows belong to rather than the day you read them. The release itself is frozen, republished as a bundle, and is what a data-availability statement should point at.

PLAIN TEXT
SpaceCatalog. Prospero [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/prospero
BIBTEX
@misc{spacecatalog_prospero,
  author       = {{SpaceCatalog}},
  title        = {{Prospero}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/prospero},
  note         = {Catalogue entry, data release DR1 (2026-08-21). Values from JPL Planetary Satellite Data.}
}

The values above were taken from JPL Planetary Satellite Data — Public domain (NASA/JPL). Citing this page does not replace citing that catalogue.

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