Imaginary Picture of HD 76700 b

Display orbital revolution of HD 76700 b around the hoststar HD 76700
/
Exoplanet Name : HD 76700 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9900 (Rjup) 11.0969 (Rearth)
Mass (Mjup / Me): 0.2300 (Mjup) 73.1257 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0490 (AU) 0.0490 (AU Est.)
Eccentricity : 0.0616
Orbital Period(Yrs) 0.0109
Orbital Period(Observed/Estimated) 3.97 (Days Obs.) 3.96 (Days Est.)
Surface Gravity (G Earth) 0.5938
Star Radiation at Atmospheric Boundary: 971228.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1401.1 (K)
Blackbody T 0.3(K) 1315.8 (K)
Blackbody T 0.7(K) 1064.6 (K)
Tidally Locked Blackbody T 0.1(K) 1666.2 (K)
Tidally Locked Blackbody T 0.3(K) 1564.7 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 76700
Alternate Name :
Star Distance(LY) : 197.2
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5726 (K)
Spectral type : G6 V
UV portion[%]: 7.7
Visible portion[%]: 44.5
IR portion[%]: 47.8
Metalicity : 0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 8.1
Right Ascension(RA) 133.4813
Declination (DEC) -66.8008
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+76700+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2076700%20b/
HD 76700 b
HD 76700 b

  • HD 76700 b is an exoplanet orbiting the star HD 76700, located about 197.2 light-years (60.5 pc) away from Solar System. Its discovery was publicly announced on 2002.
  • The host star HD 76700 has apparent magnitude of 8.1, with absolute magnitude of 4.2.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5726 with its spectral types of G6 V
  • In this planetary system, the extrasolar planet HD 76700 b orbits around the star HD 76700 every 4.0 days with its orbital distance of 0.05 AU ( 7330295.7 km)
  • (Projected orbit of HD 76700 b around its host star HD 76700)


  • The Star HD 76700 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.945 AU ( 141322867.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.306 AU ( 195345134.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.990 AU ( 297662755.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.928 AU ( 438023785.0 km)
  • Radiation at Planetary Boundary of HD 76700 b : 971228.25 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 76700)



  • Kopparapu Recent Venus for Star HD 76700 distance : 0.982 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 76700 distance : 1.244 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 76700 distance : 1.201 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 76700 distance : 1.317 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 76700 distance : 2.199 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 76700 distance : 2.320 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 76700)



  • Original Kopparapu Recent Venus for Star HD 76700 distance : 0.982 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 76700 distance : 1.278 AU
  • Original Kopparapu Moist Greenhouse for Star HD 76700 distance : 1.300 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 76700 distance : 2.238 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 76700 distance : 2.327 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 76700)



    (Position in Stellar Map of star HD 76700 and its Exoplanet HD 76700 b)



    (Zoomed position in Stellar Map of star HD 76700 and its Exoplanet HD 76700 b (zoom level 3))

    (Synthetic Spectrum of star HD 76700*)
    *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