Imaginary Picture of Kepler-315 b

Display orbital revolution of Kepler-315 b around the hoststar Kepler-315
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Exoplanet Name : Kepler-315 b
Alternate Name : "2MASS J19520554+4321486 b, K01707.01, KIC 7703955 b, KOI-1707 b, KOI-1707.01, WISE J195205.53+432148.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.3360 (Rjup) 3.7662 (Rearth)
Mass (Mjup / Me): 0.0285 (Mjup) 9.0554 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.4020 (AU) 0.4020 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2631
Orbital Period(Observed/Estimated) 96.10 (Days Obs.) 105.41 (Days Est.)
Surface Gravity (G Earth) 0.6384
Star Radiation at Atmospheric Boundary: 8709.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 431.2 (K)
Blackbody T 0.3(K) 404.9 (K)
Blackbody T 0.7(K) 327.6 (K)
Tidally Locked Blackbody T 0.1(K) 512.7 (K)
Tidally Locked Blackbody T 0.3(K) 481.5 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-315
Alternate Name : "2MASS J19520554+4321486, KIC 7703955, KOI-1707, WISE J195205.53+432148.5"
Star Distance(LY) : 3786.7
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5683 (K)
Spectral type : G2
UV portion[%]: 7.6
Visible portion[%]: 44.3
IR portion[%]: 48.1
Metalicity : -0.4
Absolute Magnitude: 3.7
Apparent Magnitude: 14.0
Right Ascension(RA) 298.0231
Declination (DEC) 43.3635
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=Kepler-315+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-315%20b/
Kepler-315 b
Kepler-315 b

  • Kepler-315 b is an exoplanet orbiting the star Kepler-315, located about 3786.7 light-years (1161.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-315 has apparent magnitude of 14.0, with absolute magnitude of 3.7.
  • It is 0.8 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5683 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-315 b orbits around the star Kepler-315 every 96.1 days with its orbital distance of 0.40 AU ( 60138344.0 km)
  • (Projected orbit of Kepler-315 b around its host star Kepler-315)


  • The Star Kepler-315 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.734 AU ( 109796605.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.015 AU ( 151767601.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.546 AU ( 231260239.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.275 AU ( 340309572.6 km)
  • Radiation at Planetary Boundary of Kepler-315 b : 8709.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-315)



  • Kopparapu Recent Venus for Star Kepler-315 distance : 0.765 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-315 distance : 0.969 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-315 distance : 0.936 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-315 distance : 1.026 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-315 distance : 1.715 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-315 distance : 1.809 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-315)



  • Original Kopparapu Recent Venus for Star Kepler-315 distance : 0.765 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-315 distance : 0.996 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-315 distance : 1.012 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-315 distance : 1.745 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-315 distance : 1.815 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-315)



    (Position in Stellar Map of star Kepler-315 and its Exoplanet Kepler-315 b)



    (Zoomed position in Stellar Map of star Kepler-315 and its Exoplanet Kepler-315 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-315*)
    *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