K2-18 b
Exoplanetstellar neighborhoodHIGH CONFIDENCE
Universe / Laniakea Supercluster / Local Group / Milky Way / K2-18 System / K2-18 b
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
mass8.63 M⊕
radius2.61 R⊕
diameter33,257 km
equilib. temp265 K
semi-major0.159 AU
eccentricity0.09
inclination89.58°
period32.94 d
53/100
conservative hz candidate
orbit lies in: conservative HZ
insolation 0.92 S⊕
ESI 0.729
habitable zone · orbital distance (AU, log)
conservative HZ optimistic HZ
data completeness100%
radius fit0%
mass fit0%
insolation fit89%
temperature fit85%
orbit circularity78%
host-star stability60%
metallicity62%
· Earth-similarity heuristic; does not model atmosphere, composition, or biology.
· Conservative habitable-zone flux band (0.35–1.5 S⊕).
scale domainstellar neighborhood
true distance124 ly
rendered radius170.4 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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