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Moon · evidence and sources

Styx

Pluto's smallest known moon, an elongated body orbiting the common Pluto–Charon center of mass just beyond Charon.

Kepler elements Orbit basis, the same label the app shows on the selection card.

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Every aspect, with its origin

One record per aspect. The origin says what kind of thing each value is; the source says where it came from; the limit says what it cannot tell you.

ObservedCatalogComputedReconstructedIllustrativeUndocumented
Orbit Computed

Orbit from mean elements

Styx is placed by solving a Keplerian orbit around pluto at the simulation time (a = 43,200 km, e = 0.025, i = 0°, period 20.2 d).

SourceBundled orbital elements
MethodTwo-body propagation of the stored elements by the shared orbit service; no perturbations.
LimitA two-body orbit ignores perturbations, and the object catalog does not record which element table these values were copied from.
Physical data Undocumented

Bulk properties

Styx: mean radius 5.2 km. These values are bundled with the object record and drive the rendered size.

SourceBundled object record
LimitThe object catalog does not record where these values came from; treat them as unverified until the record is completed.
Description Undocumented

Description and facts

The short description and the fact list are written by the Space Time authors for orientation. They are not quoted from a catalog field and carry no citation of their own.

SourceSpace Time editorial text

What is not measured

Nothing on this page is a reconstruction or a schematic; every record above is observed, catalogued or computed.

Not yet documented

  • Physical data: The object catalog does not record where these values came from; treat them as unverified until the record is completed.
  • Appearance: no record. Space Time does not claim a source for this aspect.
  • Description: The short description and the fact list are written by the Space Time authors for orientation. They are not quoted from a catalog field and carry no citation of their own.

Dataset freshness

Snapshots this page depends on, read from the generated manifests at request time.
DatasetLast refreshedHorizonAutomated
Planetary satellite mean elements no snapshot date Mean elements (a, e, i, period) for every known natural satellite No, refreshed by hand
npm run generate:moons

Sources cited

  • Bundled orbital elements
  • Bundled object record
  • Space Time editorial text

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