Imaginary Picture of HD 20367 b

Display orbital revolution of HD 20367 b around the hoststar HD 20367
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Exoplanet Name : HD 20367 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.0700 (Mjup) 340.1937 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.2500 (AU) 1.2500 (AU Est.)
Eccentricity : 0.2300
Orbital Period(Yrs) 1.3689
Orbital Period(Observed/Estimated) 500.00 (Days Obs.) 500.54 (Days Est.)
Surface Gravity (G Earth) 3.2854
Star Radiation at Atmospheric Boundary: 1541.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 279.6 (K)
Blackbody T 0.3(K) 262.6 (K)
Blackbody T 0.7(K) 212.5 (K)
Tidally Locked Blackbody T 0.1(K) 332.5 (K)
Tidally Locked Blackbody T 0.3(K) 312.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 20367
Alternate Name :
Star Distance(LY) : 86.3
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.9 (GY)
Temperature : 6128 (K)
Spectral type : G0
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.3
Apparent Magnitude: 6.4
Right Ascension(RA) 49.4169
Declination (DEC) 31.1269
Hubble Space Telescope Guide Star Catalog (GSC) ID 02340-01798
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+20367+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2020367%20b/
HD 20367 b
HD 20367 b

  • HD 20367 b is an exoplanet orbiting the star HD 20367, located about 86.3 light-years (26.4 pc) away from Solar System. Its discovery was publicly announced on 2002.
  • The host star HD 20367 has apparent magnitude of 6.4, with absolute magnitude of 4.3.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6128 with its spectral types of G0
  • In this planetary system, the extrasolar planet HD 20367 b orbits around the star HD 20367 every 500.0 days with its orbital distance of 1.25 AU ( 186997338.4 km)
  • (Projected orbit of HD 20367 b around its host star HD 20367)


  • The Star HD 20367 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.960 AU ( 143607669.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.327 AU ( 198503327.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.022 AU ( 302475142.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.975 AU ( 445105423.3 km)
  • Radiation at Planetary Boundary of HD 20367 b : 1541.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 20367)



  • Kopparapu Recent Venus for Star HD 20367 distance : 0.974 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 20367 distance : 1.234 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 20367 distance : 1.191 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 20367 distance : 1.306 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 20367 distance : 2.160 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 20367 distance : 2.278 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 20367)



  • Original Kopparapu Recent Venus for Star HD 20367 distance : 0.982 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 20367 distance : 1.266 AU
  • Original Kopparapu Moist Greenhouse for Star HD 20367 distance : 1.300 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 20367 distance : 2.199 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 20367 distance : 2.287 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 20367)



    (Position in Stellar Map of star HD 20367 and its Exoplanet HD 20367 b)



    (Zoomed position in Stellar Map of star HD 20367 and its Exoplanet HD 20367 b (zoom level 3))

    (Synthetic Spectrum of star HD 20367*)
    *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