S/2017 J 11

A confirmed moon in the Jupiter system.

Unnamed · S/2017 J 11

Snapshot 2026-09-09 · catalog 1.0.0

Explore S/2017 J 11 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.

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
22,991,300 km
Sidereal period
712.383 days
Eccentricity
0.268
Inclination to reference plane
164.8°
Argument of periapsis
25.5°
Mean anomaly
236.9°
Ascending node
134.9°
Apsidal / nodal precession periods
52.3 / 91.2 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
s-2017-j-11
JPL / NAIF satellite ID
55526
Names & designations
S/2017 J 11
Discovery / rediscovery years
2017S.S. Sheppard

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[96] (zero-based); jupiter / S/2017 J 11 · References: MPEC 2025-H211
  2. MPC planetary satellite listitems[203]; S/2017 J 11
  3. JPL mean orbital elements#sat_elem row ID=99; Jupiter / S2017_J_11 / NAIF 55526 · References: 47

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