Imaginary Picture of HD 106315 b
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Exoplanet Name : HD 106315 b
Alternate Name :
Radius (Rjup / Re): 0.2140 (Rjup) 2.3987 (Rearth)
Mass (Mjup / Me): 0.0334 (Mjup) 10.6191 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0924 (AU) 0.0924 (AU Est.)
Eccentricity : 0.3000
Orbital Period(Yrs) 0.0262
Orbital Period(Observed/Estimated) 9.55 (Days Obs.) 9.92 (Days Est.)
Star Radiation at Atmospheric Boundary: 313059.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1055.7 (K)
Blackbody T 0.3(K) 991.4 (K)
Blackbody T 0.7(K) 802.2 (K)
Tidally Locked Blackbody T 0.1(K) 1255.5 (K)
Tidally Locked Blackbody T 0.3(K) 1179.0 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 106315
Alternate Name :
Star Distance(LY) : 357.8
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 6290 (K)
Spectral type : F5V
Metalicity : -0.2
Absolute Magnitude: 3.8
Apparent Magnitude: 9.0
Right Ascension(RA) 183.4725
Declination (DEC) -0.3936
Hubble Space Telescope Guide Star Catalog (GSC) ID 04940-00868
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+106315&submit=SIMBAD+search
Open Exoplanet Database Link
HD 106315 b
HD 106315 b

  • HD 106315 b is an exoplanet orbiting the star HD 106315, located about 357.8 light-years (109.7 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star HD 106315 has apparent magnitude of 9.0, with absolute magnitude of 3.8.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6290 with its spectral types of F5V
  • In this planetary system, the extrasolar planet HD 106315 b orbits around the star HD 106315 every 9.6 days with its orbital distance of 0.09 AU ( 13822843.3 km)
  • (Projected orbit of HD 106315 b around its host star HD 106315)


  • The Star HD 106315 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.011 AU ( 151300864.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.398 AU ( 209137334.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.130 AU ( 318679016.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.135 AU ( 468950133.2 km)
  • Radiation at Planetary Boundary of HD 106315 b : 313059.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 106315)



  • Kopparapu Recent Venus for Star HD 106315 distance : 1.016 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 106315 distance : 1.287 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 106315 distance : 1.243 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 106315 distance : 1.362 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 106315 distance : 2.247 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 106315 distance : 2.370 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 106315)



  • Original Kopparapu Recent Venus for Star HD 106315 distance : 1.029 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 106315 distance : 1.320 AU
  • Original Kopparapu Moist Greenhouse for Star HD 106315 distance : 1.361 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 106315 distance : 2.287 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 106315 distance : 2.378 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 106315)



    (Position in Stellar Map of star HD 106315 and its Exoplanet HD 106315 b)



    (Zoomed position in Stellar Map of star HD 106315 and its Exoplanet HD 106315 b (zoom level 3))