Mundilfari

A confirmed moon in the Saturn system.

Named · Saturn XXV · S/2000 S 9

Snapshot 2026-09-09 · catalog 1.0.0

Explore Mundilfari 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.

SAT456 · ecliptic plane · 2000-01-01.5 TDB
Semimajor axis
18,588,200 km
Sidereal period
946.29 days
Eccentricity
0.211
Inclination to reference plane
167.1°
Argument of periapsis
305.4°
Mean anomaly
299°
Ascending node
79.2°
Apsidal / nodal precession periods
227 / 414.2 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
mundilfari
JPL / NAIF satellite ID
625
Names & designations
Mundilfari · S/2000 S 9
Discovery / rediscovery years
2000B. Gladman, J. Kavelaars, J.-M. Petit, H. Scholl, M. Holman, B.G. Marsden, P. Nicholson, J.A. Burns

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[145] (zero-based); saturn / Mundilfari · References: IAUC 7538
  2. MPC planetary satellite listitems[39]; Saturn 25
  3. MPC satellite namesitems[102]; Saturn 25
  4. JPL mean orbital elements#sat_elem row ID=148; Saturn / Mundilfari / NAIF 625 · References: 48

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