Neptun
Planetplanetary systemESTABLISHED
Universe / Laniakea Supercluster / Local Group / Milky Way / Solar System / Neptun
Temperature (°C): -201
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
radius24,622 km
diameter49,244 km
mass1.02e+26 kg
mass (M⊕)17.15 M⊕
temp72 K
semi-major30.07 AU
eccentricity0.009
inclination1.77°
period164.8 yr
8/100
non habitable
orbit lies in: too cold (beyond HZ)
insolation 1.11e-3 S⊕
ESI 0.03
habitable zone · orbital distance (AU, log)
conservative HZ optimistic HZ
data completeness100%
radius fit0%
mass fit0%
insolation fit0%
temperature fit0%
orbit circularity98%
⚠ Insolation outside the habitable band.
· Earth-similarity heuristic; does not model atmosphere, composition, or biology.
· Conservative habitable-zone flux band (0.35–1.5 S⊕).
scale domainplanetary system
true distance29.9 AU
rendered radius58.5 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.
confidence85%
evidenceestablished
imported fromastronomy-object-catalog
sources
- · Astronomy object vault (Notion export) (vault)
- · NASA fact sheet (Neptune) (dataset)
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