Proxima Centauri b
Exoplanetstellar neighborhoodHIGH CONFIDENCE
Universe / Laniakea Supercluster / Local Group / Milky Way / Proxima Centauri System / Proxima Centauri b
Temperature (°C): -39
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
mass1.197 M⊕
radius1 R⊕
diameter12,742 km
equilib. temp234 K
semi-major0.049 AU
eccentricity0.11
period11.19 d
78/100
high interest target
orbit lies in: conservative HZ
insolation 0.721 S⊕
ESI 0.915
habitable zone · orbital distance (AU, log)
conservative HZ optimistic HZ
data completeness100%
radius fit100%
mass fit97%
insolation fit63%
temperature fit74%
orbit circularity73%
host-star stability60%
metallicity71%
· Earth-similarity heuristic; does not model atmosphere, composition, or biology.
· Conservative habitable-zone flux band (0.35–1.5 S⊕).
scale domainstellar neighborhood
true distance4.24 ly
rendered radius109.7 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.
confidence85%
evidencehigh confidence
imported fromastronomy-object-catalog
sources
- · Astronomy object vault (Notion export) (vault)
- · Anglada-Escudé et al. 2016 (dataset)
computing…
loading local state…
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