GJ 581 d
Exoplanetstellar neighborhoodHIGH CONFIDENCE
Universe / Laniakea Supercluster / Local Group / Milky Way / Gliese 581 System / GJ 581 d
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
mass6.98 M⊕
equilib. temp195 K
semi-major0.218 AU
eccentricity0.25
period66.64 d
18/100
non habitable
orbit lies in: too cold (beyond HZ)
insolation 0.254 S⊕
ESI 0.405
habitable zone · orbital distance (AU, log)
conservative HZ optimistic HZ
data completeness83%
mass fit15%
insolation fit1%
temperature fit25%
orbit circularity38%
host-star stability60%
metallicity35%
· Earth-similarity heuristic; does not model atmosphere, composition, or biology.
· Conservative habitable-zone flux band (0.35–1.5 S⊕).
scale domainstellar neighborhood
true distance20.4 ly
rendered radius138.0 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.
confidence62%
evidencehigh confidence
imported fromexpanded-curated
sources
- · Curated expanded catalog (manual)
- · NASA Exoplanet Archive (dataset)
computing…
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