Imaginary Picture of HD 119445 b

Display orbital revolution of HD 119445 b around the hoststar HD 119445
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Exoplanet Name : HD 119445 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 37.6000 (Mjup) 11954.4688 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.7100 (AU) 1.7100 (AU Est.)
Eccentricity : 0.0820
Orbital Period(Yrs) 1.1230
Orbital Period(Observed/Estimated) 410.20 (Days Obs.) 413.57 (Days Est.)
Surface Gravity (G Earth) 115.4483
Star Radiation at Atmospheric Boundary: 117652.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 826.6 (K)
Blackbody T 0.3(K) 776.3 (K)
Blackbody T 0.7(K) 628.1 (K)
Tidally Locked Blackbody T 0.1(K) 983.0 (K)
Tidally Locked Blackbody T 0.3(K) 923.1 (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 119445
Alternate Name :
Star Distance(LY) : 911.1
Stellar Radius(Rsun) : 20.5 (Rsun Measured)
Stellar Mass(Msun) : 3.9 (Msun Measured) 4.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5083 (K)
Spectral type : G6
UV portion[%]: 3.8
Visible portion[%]: 38.2
IR portion[%]: 58.0
Metalicity : 0.0
Absolute Magnitude: -0.9
Apparent Magnitude: 6.3
Right Ascension(RA) 205.6200
Declination (DEC) 41.6743
Hubble Space Telescope Guide Star Catalog (GSC) ID 03029-01068
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+119445+&submit=SIMBAD+search
Open Exoplanet Database Link
HD 119445 b
HD 119445 b

  • HD 119445 b is an exoplanet orbiting the star HD 119445, located about 911.1 light-years (279.3 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star HD 119445 has apparent magnitude of 6.3, with absolute magnitude of -0.9.
  • It is 3.9 times more massive and 20.5 times bigger compared with our Sun. The surface temperature is 5083 with its spectral types of G6
  • In this planetary system, the extrasolar planet HD 119445 b orbits around the star HD 119445 every 410.2 days with its orbital distance of 1.71 AU ( 255812358.9 km)
  • (Projected orbit of HD 119445 b around its host star HD 119445)


  • The Star HD 119445 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 11.474 AU ( 1716533141.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 15.861 AU ( 2372697385.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 24.168 AU ( 3615465738.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 35.564 AU ( 5320316218.1 km)
  • Radiation at Planetary Boundary of HD 119445 b : 117652.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 119445)



  • Kopparapu Recent Venus for Star HD 119445 distance : 12.362 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 119445 distance : 15.652 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 119445 distance : 15.119 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 119445 distance : 16.589 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 119445 distance : 28.277 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 119445 distance : 29.827 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 119445)



  • Original Kopparapu Recent Venus for Star HD 119445 distance : 12.243 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 119445 distance : 16.125 AU
  • Original Kopparapu Moist Greenhouse for Star HD 119445 distance : 16.199 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 119445 distance : 28.755 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 119445 distance : 29.903 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 119445)



    (Position in Stellar Map of star HD 119445 and its Exoplanet HD 119445 b)



    (Zoomed position in Stellar Map of star HD 119445 and its Exoplanet HD 119445 b (zoom level 3))

    (Synthetic Spectrum of star HD 119445*)
    *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