Orthosie

A confirmed moon in the Jupiter system.

Named · Jupiter XXXV · S/2001 J 9

Snapshot 2026-09-09 · catalog 1.0.0

Explore Orthosie 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
20,897,800 km
Sidereal period
617.235 days
Eccentricity
0.294
Inclination to reference plane
144.2°
Argument of periapsis
244.7°
Mean anomaly
161.1°
Ascending node
212.4°
Apsidal / nodal precession periods
89.5 / 116.2 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
orthosie
JPL / NAIF satellite ID
535
Names & designations
Orthosie · S/2001 J 9
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[39] (zero-based); jupiter / Orthosie · References: MPEC 2002-J54
  2. MPC planetary satellite listitems[50]; Jupiter 35
  3. MPC satellite namesitems[109]; Jupiter 35
  4. JPL mean orbital elements#sat_elem row ID=37; Jupiter / Orthosie / NAIF 535 · References: 47

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