Imaginary Picture of HD 23127 b

Display orbital revolution of HD 23127 b around the hoststar HD 23127
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Exoplanet Name : HD 23127 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.5000 (Mjup) 476.9070 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.4000 (AU) 2.4000 (AU Est.)
Eccentricity : 0.4400
Orbital Period(Yrs) 3.3237
Orbital Period(Observed/Estimated) 1214.00 (Days Obs.) 1277.52 (Days Est.)
Star Radiation at Atmospheric Boundary: 310.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 187.4 (K)
Blackbody T 0.3(K) 176.0 (K)
Blackbody T 0.7(K) 142.4 (K)
Tidally Locked Blackbody T 0.1(K) 222.9 (K)
Tidally Locked Blackbody T 0.3(K) 209.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 23127
Alternate Name :
Star Distance(LY) : 304.5
Stellar Radius(Rsun) : 1.1 (Rsun Estimated)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 7.1 (GY)
Temperature : 5927 (K)
Spectral type : G2V
Metalicity : 0.3
Absolute Magnitude: 3.7
Apparent Magnitude: 8.6
Right Ascension(RA) 54.8485
Declination (DEC) -60.0778
Hubble Space Telescope Guide Star Catalog (GSC) ID 08867-00913
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+23127+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2023127%20b/
HD 23127 b
HD 23127 b

  • HD 23127 b is an exoplanet orbiting the star HD 23127, located about 304.5 light-years (93.4 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star HD 23127 has apparent magnitude of 8.6, with absolute magnitude of 3.7.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5927 with its spectral types of G2V
  • In this planetary system, the extrasolar planet HD 23127 b orbits around the star HD 23127 every 1214.0 days with its orbital distance of 2.40 AU ( 359034889.7 km)
  • (Projected orbit of HD 23127 b around its host star HD 23127)


  • The Star HD 23127 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.828 AU ( 123846867.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.144 AU ( 171188735.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.744 AU ( 260853748.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.566 AU ( 383857718.3 km)
  • Radiation at Planetary Boundary of HD 23127 b : 310.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 23127)



  • Kopparapu Recent Venus for Star HD 23127 distance : 0.850 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 23127 distance : 1.077 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 23127 distance : 1.040 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 23127 distance : 1.140 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 23127 distance : 1.894 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 23127 distance : 1.998 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 23127)



  • Original Kopparapu Recent Venus for Star HD 23127 distance : 0.854 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 23127 distance : 1.106 AU
  • Original Kopparapu Moist Greenhouse for Star HD 23127 distance : 1.130 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 23127 distance : 1.928 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 23127 distance : 2.005 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 23127)



    (Position in Stellar Map of star HD 23127 and its Exoplanet HD 23127 b)



    (Zoomed position in Stellar Map of star HD 23127 and its Exoplanet HD 23127 b (zoom level 3))