S/2020 S 38

A confirmed moon in the Saturn system.

Unnamed · S/2020 S 38

Snapshot 2026-09-09 · catalog 1.0.0

Explore S/2020 S 38 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.

SAT455 · ecliptic plane · 2000-01-01.5 TDB
Semimajor axis
23,583,900 km
Sidereal period
1,352.43 days
Eccentricity
0.513
Inclination to reference plane
159.7°
Argument of periapsis
246.3°
Mean anomaly
99.4°
Ascending node
284°
Apsidal / nodal precession periods
142.2 / 199.2 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-2020-s-38
JPL / NAIF satellite ID
65229
Names & designations
S/2020 S 38
Discovery / rediscovery years
2020E.J. Ashton, B.J. Gladman, J.-M. Petit, M. Alexandersen, W.C. Fraser, S.M. Lawler, J.J. Kavelaars

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[339] (zero-based); saturn / S/2020 S 38 · References: MPEC 2025-E153
  2. MPC planetary satellite listitems[299]; S/2020 S 38
  3. JPL mean orbital elements#sat_elem row ID=334; Saturn / S2020_S_38 / NAIF 65229 · References: 46

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