HD 209458 b
Exoplanetstellar neighborhoodHIGH CONFIDENCE
aka Osiris
Universe / Laniakea Supercluster / Local Group / Milky Way / HD 209458 System / HD 209458 b
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
mass219 M⊕
radius15.46 R⊕
diameter196,991 km
equilib. temp1,449 K
semi-major0.047 AU
eccentricity0
inclination86.71°
period3.525 d
17/100
non habitable
orbit lies in: too hot (inside HZ)
insolation 785 S⊕
ESI 0.018
habitable zone · orbital distance (AU, log)
conservative HZ optimistic HZ
data completeness100%
radius fit0%
mass fit0%
insolation fit0%
temperature fit0%
orbit circularity100%
host-star stability100%
metallicity50%
⚠ 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 distance159 ly
rendered radius174.9 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…
parent
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children
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