Halimede (moon of Neptune)

Document v1 · published by Koskamo · updated 2026-10-05

Halimede is a natural satellite of Neptune in the NASA/JPL Solar System Dynamics planetary satellite tables.

Planet: Neptune
Satellite: Halimede
Satellite code: 809
Physical parameters: not listed in the NASA/JPL planetary satellite physical parameters table
Ephemeris: NEP104
Reference frame: ecliptic
Epoch (TDB): 2020-01-01.0
Semi-major axis a: 16590500. km
Eccentricity e: 0.521
Argument of periapsis ω: 157.9 deg
Mean anomaly M: 135.8 deg
Inclination i: 119.6 deg
Longitude of ascending node: 198.5 deg
Sidereal period P: 1879. days
Argument of periapsis precession period: 5395. yr
Longitude of ascending node precession period: 5156. yr
Mean elements reference: 43

Source and provenance

Original source: ssd.jpl.nasa.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: NASA/JPL Solar System Dynamics planetary satellite mean elements and physical parameters (ssd.jpl.nasa.gov/sats), a work of the US government (public domain in the United States)

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Version history

Published by Koskamo2026-10-05
Version 1