1P/Halley

Cometplanetary systemESTABLISHED

Universe / Laniakea Supercluster / Local Group / Milky Way / Solar System / 1P/Halley

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Most famous short-period comet; returns roughly every 76 years.

OBJECT_MODEL::3Ddrag to orbit · scroll to zoom

PHYSICAL_DATA

radius6 km

mass2.20e+14 kg

mass (M⊕)3.68e-11 M⊕

ORBITAL_DATA

semi-major17.83 AU

eccentricity0.967

inclination162.3°

period75.32 yr

DERIVED_METRICStap a row for the formula

MISSION_PREDICTIONStap a row for the formula

SCALE_PLACEMENT

scale domainplanetary system

true distance17.8 AU

rendered radius55.0 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

confidence82%

evidenceestablished

imported fromseed

sources

· JPL Small-Body Database (dataset)

SIMULATION_MONITOR

computing…

MONITOR_SETTINGS

loading local state…

RELATED_OBJECTS

parent

children

none

same type (comet)

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