Imaginary Picture of HD 179079 b

Display orbital revolution of HD 179079 b around the hoststar HD 179079
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Exoplanet Name : HD 179079 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2408 (Rjup) 2.6990 (Rearth)
Mass (Mjup / Me): 0.0760 (Mjup) 24.1633 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1214 (AU) 0.1214 (AU Est.)
Eccentricity : 0.1150
Orbital Period(Yrs) 0.0396
Orbital Period(Observed/Estimated) 14.47 (Days Obs.) 14.82 (Days Est.)
Surface Gravity (G Earth) 3.3171
Star Radiation at Atmospheric Boundary: 195654.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 938.7 (K)
Blackbody T 0.3(K) 881.5 (K)
Blackbody T 0.7(K) 713.2 (K)
Tidally Locked Blackbody T 0.1(K) 1116.3 (K)
Tidally Locked Blackbody T 0.3(K) 1048.3 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 179079
Alternate Name :
Star Distance(LY) : 230.7
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5724 (K)
Spectral type : G5IV
UV portion[%]: 7.7
Visible portion[%]: 44.5
IR portion[%]: 47.8
Metalicity : 0.3
Absolute Magnitude: 3.7
Apparent Magnitude: 8.0
Right Ascension(RA) 287.7910
Declination (DEC) -2.6383
Hubble Space Telescope Guide Star Catalog (GSC) ID 05133-00750
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.harvard.edu/simbad/sim-basic?Ident=HD+179079+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20179079%20b/
HD 179079 b
HD 179079 b

  • HD 179079 b is an exoplanet orbiting the star HD 179079, located about 230.7 light-years (70.7 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star HD 179079 has apparent magnitude of 8.0, with absolute magnitude of 3.7.
  • It is 1.1 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5724 with its spectral types of G5IV
  • In this planetary system, the extrasolar planet HD 179079 b orbits around the star HD 179079 every 14.5 days with its orbital distance of 0.12 AU ( 18161181.5 km)
  • (Projected orbit of HD 179079 b around its host star HD 179079)


  • The Star HD 179079 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.050 AU ( 157151698.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.452 AU ( 217224715.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.213 AU ( 331002394.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.256 AU ( 487084523.8 km)
  • Radiation at Planetary Boundary of HD 179079 b : 195654.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 179079)



  • Kopparapu Recent Venus for Star HD 179079 distance : 1.092 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 179079 distance : 1.383 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 179079 distance : 1.336 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 179079 distance : 1.465 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 179079 distance : 2.446 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 179079 distance : 2.580 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 179079)



  • Original Kopparapu Recent Venus for Star HD 179079 distance : 1.093 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 179079 distance : 1.422 AU
  • Original Kopparapu Moist Greenhouse for Star HD 179079 distance : 1.446 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 179079 distance : 2.489 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 179079 distance : 2.589 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 179079)



    (Position in Stellar Map of star HD 179079 and its Exoplanet HD 179079 b)



    (Zoomed position in Stellar Map of star HD 179079 and its Exoplanet HD 179079 b (zoom level 3))

    (Synthetic Spectrum of star HD 179079*)
    *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