Imaginary Picture of HD 125612 b
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Exoplanet Name : HD 125612 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 3.0000 (Mjup) 953.8140 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.3700 (AU) 1.3700 (AU Est.)
Eccentricity : 0.4600
Orbital Period(Yrs) 1.3744
Orbital Period(Observed/Estimated) 502.00 (Days Obs.) 558.44 (Days Est.)
Star Radiation at Atmospheric Boundary: 871.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 242.5 (K)
Blackbody T 0.3(K) 227.7 (K)
Blackbody T 0.7(K) 184.2 (K)
Tidally Locked Blackbody T 0.1(K) 288.3 (K)
Tidally Locked Blackbody T 0.3(K) 270.8 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 125612
Alternate Name :
Star Distance(LY) : 176.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 2.1 (GY)
Temperature : 5897 (K)
Spectral type : G3V
Metalicity : 0.2
Absolute Magnitude: 4.6
Apparent Magnitude: 8.3
Right Ascension(RA) 215.2230
Declination (DEC) -17.4814
Hubble Space Telescope Guide Star Catalog (GSC) ID 06143-01696
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+125612+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20125612%20b/
HD 125612 b
HD 125612 b

  • HD 125612 b is an exoplanet orbiting the star HD 125612, located about 176.8 light-years (54.2 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star HD 125612 has apparent magnitude of 8.3, 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 5897 with its spectral types of G3V
  • In this planetary system, the extrasolar planet HD 125612 b orbits around the star HD 125612 every 502.0 days with its orbital distance of 1.37 AU ( 204949082.9 km)
  • (Projected orbit of HD 125612 b around its host star HD 125612)


  • The Star HD 125612 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.791 AU ( 118334033.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.093 AU ( 163568558.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.666 AU ( 249242285.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.452 AU ( 366770941.4 km)
  • Radiation at Planetary Boundary of HD 125612 b : 871.10 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 125612)



  • Kopparapu Recent Venus for Star HD 125612 distance : 0.814 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 125612 distance : 1.031 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 125612 distance : 0.996 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 125612 distance : 1.091 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 125612 distance : 1.815 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 125612 distance : 1.914 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 125612)



  • Original Kopparapu Recent Venus for Star HD 125612 distance : 0.817 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 125612 distance : 1.059 AU
  • Original Kopparapu Moist Greenhouse for Star HD 125612 distance : 1.081 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 125612 distance : 1.847 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 125612 distance : 1.921 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 125612)



    (Position in Stellar Map of star HD 125612 and its Exoplanet HD 125612 b)



    (Zoomed position in Stellar Map of star HD 125612 and its Exoplanet HD 125612 b (zoom level 3))