Imaginary Picture of HD 131496 b

Display orbital revolution of HD 131496 b around the hoststar HD 131496
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Exoplanet Name : HD 131496 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.2000 (Mjup) 699.4636 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.0900 (AU) 2.0900 (AU Est.)
Eccentricity : 0.1630
Orbital Period(Yrs) 2.4175
Orbital Period(Observed/Estimated) 883.00 (Days Obs.) 869.75 (Days Est.)
Surface Gravity (G Earth) 6.7550
Star Radiation at Atmospheric Boundary: 3500.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 343.3 (K)
Blackbody T 0.3(K) 322.4 (K)
Blackbody T 0.7(K) 260.9 (K)
Tidally Locked Blackbody T 0.1(K) 408.3 (K)
Tidally Locked Blackbody T 0.3(K) 383.4 (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 131496
Alternate Name :
Star Distance(LY) : 449.9
Stellar Radius(Rsun) : 4.6 (Rsun Measured)
Stellar Mass(Msun) : 1.6 (Msun Measured) 1.6 (Msun Estimated)
Star Age : 2.7 (GY)
Temperature : 4927 (K)
Spectral type : K0
UV portion[%]: 2.9
Visible portion[%]: 36.4
IR portion[%]: 60.7
Metalicity : 0.2
Absolute Magnitude: 2.3
Apparent Magnitude: 8.0
Right Ascension(RA) 223.3460
Declination (DEC) 18.2353
Hubble Space Telescope Guide Star Catalog (GSC) ID 01481-00485
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+131496+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20131496%20b/
HD 131496 b
HD 131496 b

  • HD 131496 b is an exoplanet orbiting the star HD 131496, located about 449.9 light-years (137.9 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 131496 has apparent magnitude of 8.0, with absolute magnitude of 2.3.
  • It is 1.6 times more massive and 4.6 times bigger compared with our Sun. The surface temperature is 4927 with its spectral types of K0
  • In this planetary system, the extrasolar planet HD 131496 b orbits around the star HD 131496 every 883.0 days with its orbital distance of 2.09 AU ( 312659549.8 km)
  • (Projected orbit of HD 131496 b around its host star HD 131496)


  • The Star HD 131496 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.419 AU ( 361893738.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.344 AU ( 500231720.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.095 AU ( 762242440.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 7.498 AU ( 1121673143.4 km)
  • Radiation at Planetary Boundary of HD 131496 b : 3500.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 131496)



  • Kopparapu Recent Venus for Star HD 131496 distance : 2.626 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 131496 distance : 3.325 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 131496 distance : 3.211 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 131496 distance : 3.524 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 131496 distance : 6.044 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 131496 distance : 6.375 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 131496)



  • Original Kopparapu Recent Venus for Star HD 131496 distance : 2.596 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 131496 distance : 3.427 AU
  • Original Kopparapu Moist Greenhouse for Star HD 131496 distance : 3.436 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 131496 distance : 6.145 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 131496 distance : 6.390 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 131496)



    (Position in Stellar Map of star HD 131496 and its Exoplanet HD 131496 b)



    (Zoomed position in Stellar Map of star HD 131496 and its Exoplanet HD 131496 b (zoom level 3))

    (Synthetic Spectrum of star HD 131496*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102