Imaginary Picture of HD 113996 b
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Exoplanet Name : HD 113996 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 6.3000 (Mjup) 2003.0094 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.6000 (AU) 1.6000 (AU Est.)
Eccentricity : 0.2800
Orbital Period(Yrs) 1.6706
Orbital Period(Observed/Estimated) 610.20 (Days Obs.) 605.59 (Days Est.)
Star Radiation at Atmospheric Boundary: 92295.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 777.9 (K)
Blackbody T 0.3(K) 730.6 (K)
Blackbody T 0.7(K) 591.1 (K)
Tidally Locked Blackbody T 0.1(K) 925.1 (K)
Tidally Locked Blackbody T 0.3(K) 868.8 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 113996
Alternate Name :
Star Distance(LY) : 332.7
Stellar Radius(Rsun) : 25.1 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 3.2 (GY)
Temperature : 4181 (K)
Spectral type : K5III
Metalicity : 0.1
Absolute Magnitude: -0.1
Apparent Magnitude: 4.9
Right Ascension(RA) 196.7947
Declination (DEC) 27.6247
Hubble Space Telescope Guide Star Catalog (GSC) ID 01996-02401
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+113996+&submit=SIMBAD+search
Open Exoplanet Database Link
HD 113996 b
HD 113996 b

  • HD 113996 b is an exoplanet orbiting the star HD 113996, located about 332.7 light-years (102.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star HD 113996 has apparent magnitude of 4.9, with absolute magnitude of -0.1.
  • It is 1.5 times more massive and 25.1 times bigger compared with our Sun. The surface temperature is 4181 with its spectral types of K5III
  • In this planetary system, the extrasolar planet HD 113996 b orbits around the star HD 113996 every 610.2 days with its orbital distance of 1.60 AU ( 239356593.1 km)
  • (Projected orbit of HD 113996 b around its host star HD 113996)


  • The Star HD 113996 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 9.509 AU ( 1422542205.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 13.144 AU ( 1966325082.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 20.029 AU ( 2996244278.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 29.473 AU ( 4409104713.0 km)
  • Radiation at Planetary Boundary of HD 113996 b : 92295.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 113996)



  • Kopparapu Recent Venus for Star HD 113996 distance : 10.606 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 113996 distance : 13.425 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 113996 distance : 12.967 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 113996 distance : 14.248 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 113996 distance : 25.250 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 113996 distance : 26.637 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 113996)



  • Original Kopparapu Recent Venus for Star HD 113996 distance : 10.469 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 113996 distance : 13.875 AU
  • Original Kopparapu Moist Greenhouse for Star HD 113996 distance : 13.852 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 113996 distance : 25.657 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 113996 distance : 26.682 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 113996)



    (Position in Stellar Map of star HD 113996 and its Exoplanet HD 113996 b)



    (Zoomed position in Stellar Map of star HD 113996 and its Exoplanet HD 113996 b (zoom level 3))