Imaginary Picture of HD 23079 b

Display orbital revolution of HD 23079 b around the hoststar HD 23079
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Exoplanet Name : HD 23079 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.4500 (Mjup) 778.9481 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.5960 (AU) 1.5960 (AU Est.)
Eccentricity : 0.1020
Orbital Period(Yrs) 2.0002
Orbital Period(Observed/Estimated) 730.60 (Days Obs.) 702.17 (Days Est.)
Surface Gravity (G Earth) 7.5226
Star Radiation at Atmospheric Boundary: 719.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 231.1 (K)
Blackbody T 0.3(K) 217.0 (K)
Blackbody T 0.7(K) 175.6 (K)
Tidally Locked Blackbody T 0.1(K) 274.8 (K)
Tidally Locked Blackbody T 0.3(K) 258.1 (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 23079
Alternate Name :
Star Distance(LY) : 108.2
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.5 (GY)
Temperature : 5848 (K)
Spectral type : F8/G0 V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.2
Absolute Magnitude: 4.5
Apparent Magnitude: 7.1
Right Ascension(RA) 54.9296
Declination (DEC) -52.9158
Hubble Space Telescope Guide Star Catalog (GSC) ID
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+23079+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2023079%20b/
HD 23079 b
HD 23079 b

  • HD 23079 b is an exoplanet orbiting the star HD 23079, located about 108.2 light-years (33.2 pc) away from Solar System. Its discovery was publicly announced on 2001.
  • The host star HD 23079 has apparent magnitude of 7.1, with absolute magnitude of 4.5.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5848 with its spectral types of F8/G0 V
  • In this planetary system, the extrasolar planet HD 23079 b orbits around the star HD 23079 every 730.6 days with its orbital distance of 1.60 AU ( 238758201.6 km)
  • (Projected orbit of HD 23079 b around its host star HD 23079)


  • The Star HD 23079 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.837 AU ( 125242371.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.157 AU ( 173117687.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.763 AU ( 263793045.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.595 AU ( 388183022.0 km)
  • Radiation at Planetary Boundary of HD 23079 b : 718.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 23079)



  • Kopparapu Recent Venus for Star HD 23079 distance : 0.864 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 23079 distance : 1.094 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 23079 distance : 1.057 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 23079 distance : 1.159 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 23079 distance : 1.929 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 23079 distance : 2.034 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 23079)



  • Original Kopparapu Recent Venus for Star HD 23079 distance : 0.866 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 23079 distance : 1.124 AU
  • Original Kopparapu Moist Greenhouse for Star HD 23079 distance : 1.146 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 23079 distance : 1.963 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 23079 distance : 2.041 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 23079)



    (Position in Stellar Map of star HD 23079 and its Exoplanet HD 23079 b)



    (Zoomed position in Stellar Map of star HD 23079 and its Exoplanet HD 23079 b (zoom level 3))

    (Synthetic Spectrum of star HD 23079*)
    *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