HR 8799 d
Exoplanetstellar neighborhoodHIGH CONFIDENCE
Universe / Laniakea Supercluster / Local Group / Milky Way / HR 8799 System / HR 8799 d
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
mass3,018 M⊕
equilib. temp1,100 K
semi-major27 AU
eccentricity0.11
inclination26°
period113.3 yr
13/100
non habitable
orbit lies in: too cold (beyond HZ)
insolation 6.72e-3 S⊕
ESI 0.013
habitable zone · orbital distance (AU, log)
conservative HZ optimistic HZ
data completeness83%
mass fit0%
insolation fit0%
temperature fit0%
orbit circularity73%
host-star stability75%
metallicity3%
⚠ 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 domainstellar neighborhood
true distance133 ly
rendered radius171.7 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.
confidence62%
evidencehigh confidence
imported fromexpanded-curated
sources
- · Curated expanded catalog (manual)
- · NASA Exoplanet Archive (dataset)
computing…
loading local state…
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children
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