Autonoe

A confirmed moon in the Jupiter system.

Named · Jupiter XXVIII · S/2001 J 1

Snapshot 2026-09-09 · catalog 1.0.0

Explore Autonoe 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
23,785,200 km
Sidereal period
749.61 days
Eccentricity
0.326
Inclination to reference plane
150.7°
Argument of periapsis
61.2°
Mean anomaly
134°
Ascending node
264.8°
Apsidal / nodal precession periods
62.8 / 90.4 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
autonoe
JPL / NAIF satellite ID
528
Names & designations
Autonoe · S/2001 J 1
Discovery / rediscovery years
2001S.S. Sheppard, D.C. Jewitt, J. Kleyna

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[32] (zero-based); jupiter / Autonoe · References: MPEC 2002-J54
  2. MPC planetary satellite listitems[40]; Jupiter 28
  3. MPC satellite namesitems[14]; Jupiter 28
  4. JPL mean orbital elements#sat_elem row ID=30; Jupiter / Autonoe / NAIF 528 · References: 47

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