Halimede

MOONMoon of Neptune

ILLUSTRATION · NO MEASURED PROPERTIES · SHADING, NOT THE PHASE

[

OVERVIEW

] MOON

Halimede is a moon of Neptune. It orbits Neptune at a mean distance of 1.66×10⁷ . It was discovered in 2002.

WHAT IT IS
Moon of Neptune
HOW FAR
1.66×10⁷

Its average distance from Neptune, not from Earth.

ONE ORBIT TAKES
5.14

One trip round Neptune.

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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
Neptune
Orbital period
5.144
Eccentricity
Inclination
119.6

WHEN IT WAS FOUND

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

Discovered by
M. Holman, J.J. Kavelaars, T. Grav, W. Fraser, D. Milisavljevic

OTHER NAMES AND NUMBERS

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

Also known as
Neptune IX
JPL satellite code
809
Wikidata item
Q19507
Wikipedia article
Halimede (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
NEP104
[

ALSO KNOWN AS

] 1 DESIGNATIONS
  • Common name Halimede
[

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. Halimede [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/halimede
BIBTEX
@misc{spacecatalog_halimede,
  author       = {{SpaceCatalog}},
  title        = {{Halimede}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/halimede},
  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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