Hydra

Moonplanetary systemESTABLISHED

Universe / Laniakea Supercluster / Local Group / Milky Way / Solar System / Hydra

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OBJECT_MODEL::3Ddrag to orbit · scroll to zoom

PHYSICAL_DATA

radius26 km

diameter51 km

mass4.80e+16 kg

mass (M⊕)8.04e-9 M⊕

ORBITAL_DATA

semi-major4.34e-4 AU

eccentricity0.006

inclination0.24°

period38.2 d

DERIVED_METRICStap a row for the formula

MISSION_PREDICTIONStap a row for the formula

SCALE_PLACEMENT

scale domainplanetary system

true distance39.5 AU

rendered radius60.5 u

directionsymbolic

Radial distance is real (compressed for this scale domain); angular direction is symbolic — the source has distance-from-Earth but no RA/Dec.

EVIDENCE_AND_SOURCE

confidence69%

evidenceestablished

imported fromexpanded-curated

sources

· Curated expanded catalog (manual)
· NASA/JPL (dataset)

SIMULATION_MONITOR

computing…

MONITOR_SETTINGS

loading local state…

RELATED_OBJECTS

parent

Pluto

children

none

same type (moon)

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