Surtur

A confirmed moon in the Saturn system.

Named · Saturn XLVIII · S/2006 S 7

Snapshot 2026-09-09 · catalog 1.0.0

Explore Surtur 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
22,748,000 km
Sidereal period
1,281.14 days
Eccentricity
0.448
Inclination to reference plane
168.4°
Argument of periapsis
314.4°
Mean anomaly
9.9°
Ascending node
255.3°
Apsidal / nodal precession periods
142 / 222.9 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
surtur
JPL / NAIF satellite ID
648
Names & designations
Surtur · S/2006 S 7
Discovery / rediscovery years
2006S. 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[168] (zero-based); saturn / Surtur · References: IAUC 8727
  2. MPC planetary satellite listitems[172]; Saturn 48
  3. MPC satellite namesitems[139]; Saturn 48
  4. JPL mean orbital elements#sat_elem row ID=167; Saturn / Surtur / NAIF 648 · References: 48

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