Imaginary Picture of HD 92788 b

Display orbital revolution of HD 92788 b around the hoststar HD 92788
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Exoplanet Name : HD 92788 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 27.0200 (Mjup) 8590.6848 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.9700 (AU) 0.9700 (AU Est.)
Eccentricity : 0.3500
Orbital Period(Yrs) 0.8920
Orbital Period(Observed/Estimated) 325.80 (Days Obs.) 325.39 (Days Est.)
Surface Gravity (G Earth) 82.9631
Star Radiation at Atmospheric Boundary: 1843.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 292.5 (K)
Blackbody T 0.3(K) 274.7 (K)
Blackbody T 0.7(K) 222.2 (K)
Tidally Locked Blackbody T 0.1(K) 347.8 (K)
Tidally Locked Blackbody T 0.3(K) 326.6 (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 92788
Alternate Name :
Star Distance(LY) : 113.0
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 2.5 (GY)
Temperature : 5744 (K)
Spectral type : G5
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.6
Metalicity : 0.3
Absolute Magnitude: 4.6
Apparent Magnitude: 7.3
Right Ascension(RA) 160.7022
Declination (DEC) -2.1836
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+92788+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2092788%20b/
HD 92788 b
HD 92788 b

  • HD 92788 b is an exoplanet orbiting the star HD 92788, located about 113.0 light-years (34.6 pc) away from Solar System. Its discovery was publicly announced on 2000.
  • The host star HD 92788 has apparent magnitude of 7.3, with absolute magnitude of 4.6.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5744 with its spectral types of G5
  • In this planetary system, the extrasolar planet HD 92788 b orbits around the star HD 92788 every 325.8 days with its orbital distance of 0.97 AU ( 145109934.6 km)
  • (Projected orbit of HD 92788 b around its host star HD 92788)


  • The Star HD 92788 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.815 AU ( 121896665.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.126 AU ( 168493047.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.716 AU ( 256746116.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.526 AU ( 377813158.2 km)
  • Radiation at Planetary Boundary of HD 92788 b : 1843.86 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 92788)



  • Kopparapu Recent Venus for Star HD 92788 distance : 0.846 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 92788 distance : 1.072 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 92788 distance : 1.035 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 92788 distance : 1.135 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 92788 distance : 1.894 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 92788 distance : 1.998 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 92788)



  • Original Kopparapu Recent Venus for Star HD 92788 distance : 0.847 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 92788 distance : 1.101 AU
  • Original Kopparapu Moist Greenhouse for Star HD 92788 distance : 1.120 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 92788 distance : 1.927 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 92788 distance : 2.004 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 92788)



    (Position in Stellar Map of star HD 92788 and its Exoplanet HD 92788 b)



    (Zoomed position in Stellar Map of star HD 92788 and its Exoplanet HD 92788 b (zoom level 3))

    (Synthetic Spectrum of star HD 92788*)
    *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