Imaginary Picture of HD 175679 b

Display orbital revolution of HD 175679 b around the hoststar HD 175679
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Exoplanet Name : HD 175679 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 59.9000 (Mjup) 19044.4862 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.3800 (AU) 3.3800 (AU Est.)
Eccentricity : 0.3800
Orbital Period(Yrs) 3.7398
Orbital Period(Observed/Estimated) 1366.00 (Days Obs.) 1381.29 (Days Est.)
Surface Gravity (G Earth) 183.9189
Star Radiation at Atmospheric Boundary: 773.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 235.4 (K)
Blackbody T 0.3(K) 221.0 (K)
Blackbody T 0.7(K) 178.8 (K)
Tidally Locked Blackbody T 0.1(K) 279.9 (K)
Tidally Locked Blackbody T 0.3(K) 262.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 175679
Alternate Name :
Star Distance(LY) : 547.9
Stellar Radius(Rsun) : 1.8 (Rsun Estimated)
Stellar Mass(Msun) : 2.7 (Msun Measured) 2.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6844 (K)
Spectral type : G8III
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.1
Absolute Magnitude: -0.0
Apparent Magnitude: 6.1
Right Ascension(RA) 284.1083
Declination (DEC) 2.4711
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HD 175679 b
HD 175679 b

  • HD 175679 b is an exoplanet orbiting the star HD 175679, located about 547.9 light-years (168.0 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star HD 175679 has apparent magnitude of 6.1, with absolute magnitude of -0.0.
  • It is 2.7 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6844 with its spectral types of G8III
  • In this planetary system, the extrasolar planet HD 175679 b orbits around the star HD 175679 every 1366.0 days with its orbital distance of 3.38 AU ( 505640803.0 km)
  • (Projected orbit of HD 175679 b around its host star HD 175679)


  • The Star HD 175679 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.839 AU ( 275105935.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.542 AU ( 380268297.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.873 AU ( 579444731.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.700 AU ( 852678306.3 km)
  • Radiation at Planetary Boundary of HD 175679 b : 773.49 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 175679)



  • Kopparapu Recent Venus for Star HD 175679 distance : 1.791 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 175679 distance : 2.268 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 175679 distance : 2.190 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 175679 distance : 2.399 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 175679 distance : 3.928 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 175679 distance : 4.143 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 175679)



  • Original Kopparapu Recent Venus for Star HD 175679 distance : 1.835 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 175679 distance : 2.322 AU
  • Original Kopparapu Moist Greenhouse for Star HD 175679 distance : 2.428 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 175679 distance : 4.000 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 175679 distance : 4.160 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 175679)



    (Position in Stellar Map of star HD 175679 and its Exoplanet HD 175679 b)



    (Zoomed position in Stellar Map of star HD 175679 and its Exoplanet HD 175679 b (zoom level 3))

    (Synthetic Spectrum of star HD 175679*)
    *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