Lysithea

A confirmed moon in the Jupiter system.

Named · Jupiter X

Snapshot 2026-09-09 · catalog 1.0.0

Explore Lysithea in Orrery

Physical measurements

Mean radius
— No value in the admitted source set.
GM · gravitational parameter
— No value in the admitted source set.
Mass
— Mass requires an admitted GM estimate.
Mean density
— No value in the admitted source set.

PCK reference shape axes: ≈ 12 × ≈ 12 × ≈ 12 km. These are model axes, not a mapped surface.

Orbit descriptions

Mean elements describe an average orbit. They are not positions for a chosen date.

JUP347 · ecliptic plane · 2000-01-01.5 TDB
Semimajor axis
11,699,100 km
Sidereal period
258.504 days
Eccentricity
0.117
Inclination to reference plane
27.7°
Argument of periapsis
48.3°
Mean anomaly
328.5°
Ascending node
9.2°
Apsidal / nodal precession periods
178.9 / 290.6 years
Reference-plane pole RA / Dec
— / —°
Plane tilt to parent equator
—°
Reference center
Not specified in this summary sourceThe summary table identifies a parent system but does not explicitly specify the reference center for each solution. Do not infer a physical-primary center, especially for Pluto’s circumbinary moons.

Orientation

No supported orientation model in the admitted PCK source.

Identity & availability

Stable catalog ID
lysithea
JPL / NAIF satellite ID
510
Names & designations
Lysithea
Discovery / rediscovery years
1938S.B. Nicholson

No validated dated trajectory admitted in catalog 1.0.0. Mean elements are not ephemerides.

No image or global texture admitted in this catalog release.No environment measurements admitted in this catalog release.

Sources & evidence

  1. JPL discovery circumstancestable tr[14] (zero-based); jupiter / Lysithea · References: IAU WGPSN
  2. MPC planetary satellite listitems[0]; Jupiter 10
  3. MPC satellite namesitems[93]; Jupiter 10
  4. JPL mean orbital elements#sat_elem row ID=15; Jupiter / Lysithea / NAIF 510 · References: 47
  5. NAIF PCK 00011BODY510_RADII; active data block

Full catalog, uncertainty and source manifests · All Jupiter moons · Moon model limits