Imaginary Picture of HD 167768 b

Display orbital revolution of HD 167768 b around the hoststar HD 167768
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Exoplanet Name : HD 167768 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.8500 (Mjup) 270.2473 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1512 (AU) 0.1512 (AU Est.)
Eccentricity : 0.1490
Orbital Period(Yrs) 0.0565
Orbital Period(Observed/Estimated) 20.65 (Days Obs.) 20.66 (Days Est.)
Surface Gravity (G Earth) 2.6099
Star Radiation at Atmospheric Boundary: 2746839.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1817.0 (K)
Blackbody T 0.3(K) 1706.3 (K)
Blackbody T 0.7(K) 1380.6 (K)
Tidally Locked Blackbody T 0.1(K) 2160.8 (K)
Tidally Locked Blackbody T 0.3(K) 2029.2 (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 167768
Alternate Name :
Star Distance(LY) : 353.6
Stellar Radius(Rsun) : 9.7 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 5.3 (GY)
Temperature : 4830 (K)
Spectral type : G8III
UV portion[%]: 2.5
Visible portion[%]: 35.6
IR portion[%]: 61.8
Metalicity : -0.8
Absolute Magnitude: 0.8
Apparent Magnitude: 6.0
Right Ascension(RA) 274.2208
Declination (DEC) -3.0075
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 167768 b
HD 167768 b

  • HD 167768 b is an exoplanet orbiting the star HD 167768, located about 353.6 light-years (108.4 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star HD 167768 has apparent magnitude of 6.0, with absolute magnitude of 0.8.
  • It is 1.1 times more massive and 9.7 times bigger compared with our Sun. The surface temperature is 4830 with its spectral types of G8III
  • In this planetary system, the extrasolar planet HD 167768 b orbits around the star HD 167768 every 20.7 days with its orbital distance of 0.15 AU ( 22619198.0 km)
  • (Projected orbit of HD 167768 b around its host star HD 167768)


  • The Star HD 167768 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 4.902 AU ( 733371634.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 6.776 AU ( 1013711251.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 10.325 AU ( 1544671614.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 15.194 AU ( 2273051947.7 km)
  • Radiation at Planetary Boundary of HD 167768 b : 2746839.09 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 167768)



  • Kopparapu Recent Venus for Star HD 167768 distance : 5.345 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 167768 distance : 6.766 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 167768 distance : 6.536 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 167768 distance : 7.174 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 167768 distance : 12.350 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 167768 distance : 13.027 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 167768)



  • Original Kopparapu Recent Venus for Star HD 167768 distance : 5.281 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 167768 distance : 6.977 AU
  • Original Kopparapu Moist Greenhouse for Star HD 167768 distance : 6.987 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 167768 distance : 12.555 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 167768 distance : 13.057 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 167768)



    (Position in Stellar Map of star HD 167768 and its Exoplanet HD 167768 b)



    (Zoomed position in Stellar Map of star HD 167768 and its Exoplanet HD 167768 b (zoom level 3))

    (Synthetic Spectrum of star HD 167768*)
    *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