Imaginary Picture of HD 106315 c

Display orbital revolution of HD 106315 c around the hoststar HD 106315
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Exoplanet Name : HD 106315 c
Alternate Name : "2MASS J12135339-0023365 c, BD+00 2910 c, EPIC 201437844 c, EPIC 201437844.02, GSC 04940-00868 c, K2-109 c, SAO 138659 c
Status : Confirmed
Radius (Rjup / Re): 0.3880 (Rjup) 4.3491 (Rearth)
Mass (Mjup / Me): 0.0478 (Mjup) 15.2038 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1536 (AU) 0.1536 (AU Est.)
Eccentricity : 0.2200
Orbital Period(Yrs) 0.0576
Orbital Period(Observed/Estimated) 21.06 (Days Obs.) 21.06 (Days Est.)
Surface Gravity (G Earth) 0.8038
Star Radiation at Atmospheric Boundary: 140766.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 864.5 (K)
Blackbody T 0.3(K) 811.9 (K)
Blackbody T 0.7(K) 656.9 (K)
Tidally Locked Blackbody T 0.1(K) 1028.1 (K)
Tidally Locked Blackbody T 0.3(K) 965.5 (K)
Size Class: 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 : "2MASS J12135339-0023365, BD+00 2910, EPIC 201437844, GSC 04940-00868, K2-109, SAO 138659, TYC 4940-868-1, WISE J121353.T
Star Distance(LY) : 357.8
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 6327 (K)
Spectral type : F5 V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.3
Absolute Magnitude: 3.8
Apparent Magnitude: 9.0
Right Ascension(RA) 183.4725
Declination (DEC) -0.3935
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 c
HD 106315 c

  • HD 106315 c 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 1.3 times bigger compared with our Sun. The surface temperature is 6327 with its spectral types of F5 V
  • In this planetary system, the extrasolar planet HD 106315 c orbits around the star HD 106315 every 21.1 days with its orbital distance of 0.15 AU ( 22978232.9 km)
  • (Projected orbit of HD 106315 c 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 ) : 1.127 AU ( 168654189.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.558 AU ( 233124164.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.375 AU ( 355229636.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.494 AU ( 522735971.4 km)
  • Radiation at Planetary Boundary of HD 106315 c : 140766.86 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 : 1.130 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 106315 distance : 1.431 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 106315 distance : 1.382 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 106315 distance : 1.515 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 106315 distance : 2.497 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 106315 distance : 2.634 AU

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



  • Original Kopparapu Recent Venus for Star HD 106315 distance : 1.145 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 106315 distance : 1.468 AU
  • Original Kopparapu Moist Greenhouse for Star HD 106315 distance : 1.515 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 106315 distance : 2.542 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 106315 distance : 2.644 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 c)



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

    (Synthetic Spectrum of star HD 106315*)
    *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