Imaginary Picture of HD 32518 b
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Exoplanet Name : HD 32518 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 3.0400 (Mjup) 966.5315 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.5900 (AU) 0.5900 (AU Est.)
Eccentricity : 0.0100
Orbital Period(Yrs) 0.4313
Orbital Period(Observed/Estimated) 157.54 (Days Obs.) 155.71 (Days Est.)
Star Radiation at Atmospheric Boundary: 161906.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 895.3 (K)
Blackbody T 0.3(K) 840.8 (K)
Blackbody T 0.7(K) 680.3 (K)
Tidally Locked Blackbody T 0.1(K) 1064.7 (K)
Tidally Locked Blackbody T 0.3(K) 999.8 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 32518
Alternate Name :
Star Distance(LY) : 393.4
Stellar Radius(Rsun) : 10.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 5.8 (GY)
Temperature : 4580 (K)
Spectral type : K1III
Metalicity : -0.1
Absolute Magnitude: 1.0
Apparent Magnitude: 6.4
Right Ascension(RA) 77.4030
Declination (DEC) 69.6394
Hubble Space Telescope Guide Star Catalog (GSC) ID 04346-00320
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.harvard.edu/simbad/sim-basic?Ident=HD+32518+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2032518%20b/
HD 32518 b
HD 32518 b

  • HD 32518 b is an exoplanet orbiting the star HD 32518, located about 393.4 light-years (120.6 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star HD 32518 has apparent magnitude of 6.4, with absolute magnitude of 1.0.
  • It is 1.1 times more massive and 10.2 times bigger compared with our Sun. The surface temperature is 4580 with its spectral types of K1III
  • In this planetary system, the extrasolar planet HD 32518 b orbits around the star HD 32518 every 157.5 days with its orbital distance of 0.59 AU ( 88262743.7 km)
  • (Projected orbit of HD 32518 b around its host star HD 32518)


  • The Star HD 32518 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 4.644 AU ( 694768251.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 6.420 AU ( 960351287.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 9.782 AU ( 1463362837.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 14.395 AU ( 2153402520.9 km)
  • Radiation at Planetary Boundary of HD 32518 b : 161906.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 32518)



  • Kopparapu Recent Venus for Star HD 32518 distance : 5.115 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 32518 distance : 6.475 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 32518 distance : 6.254 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 32518 distance : 6.868 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 32518 distance : 11.949 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 32518 distance : 12.605 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 32518)



  • Original Kopparapu Recent Venus for Star HD 32518 distance : 5.047 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 32518 distance : 6.683 AU
  • Original Kopparapu Moist Greenhouse for Star HD 32518 distance : 6.679 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 32518 distance : 12.145 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 32518 distance : 12.630 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 32518)



    (Position in Stellar Map of star HD 32518 and its Exoplanet HD 32518 b)



    (Zoomed position in Stellar Map of star HD 32518 and its Exoplanet HD 32518 b (zoom level 3))