Imaginary Picture of Kepler-215 d

Display orbital revolution of Kepler-215 d around the hoststar Kepler-215
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Exoplanet Name : Kepler-215 d
Alternate Name : "2MASS J19395364+4512492 d, K00700.01, KIC 8962094 d, KOI-700 d, KOI-700.01, WISE J193953.64+451249.2 d"
Status : Confirmed
Radius (Rjup / Re): 0.2130 (Rjup) 2.3875 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9266 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1850 (AU) 0.1850 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0845
Orbital Period(Observed/Estimated) 30.86 (Days Obs.) 33.12 (Days Est.)
Surface Gravity (G Earth) 1.0397
Star Radiation at Atmospheric Boundary: 29863.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 586.7 (K)
Blackbody T 0.3(K) 551.0 (K)
Blackbody T 0.7(K) 445.8 (K)
Tidally Locked Blackbody T 0.1(K) 697.7 (K)
Tidally Locked Blackbody T 0.3(K) 655.2 (K)
Size Class: sub-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-215
Alternate Name : "2MASS J19395364+4512492, KIC 8962094, KOI-700, WISE J193953.64+451249.2"
Star Distance(LY) : 1584.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5648 (K)
Spectral type : G3
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.7
Metalicity : -0.6
Absolute Magnitude: 4.0
Apparent Magnitude: 12.4
Right Ascension(RA) 294.9735
Declination (DEC) 45.2137
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-215+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-215%20d/
Kepler-215 d
Kepler-215 d

  • Kepler-215 d is an exoplanet orbiting the star Kepler-215, located about 1584.5 light-years (485.8 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-215 has apparent magnitude of 12.4, with absolute magnitude of 4.0.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5648 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-215 d orbits around the star Kepler-215 every 30.9 days with its orbital distance of 0.18 AU ( 27675606.1 km)
  • (Projected orbit of Kepler-215 d around its host star Kepler-215)


  • The Star Kepler-215 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.625 AU ( 93561261.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.864 AU ( 129326113.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.317 AU ( 197064377.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.938 AU ( 289988864.0 km)
  • Radiation at Planetary Boundary of Kepler-215 d : 29863.26 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-215)



  • Kopparapu Recent Venus for Star Kepler-215 distance : 0.653 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-215 distance : 0.827 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-215 distance : 0.799 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-215 distance : 0.876 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-215 distance : 1.466 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-215 distance : 1.546 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-215)



  • Original Kopparapu Recent Venus for Star Kepler-215 distance : 0.652 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-215 distance : 0.850 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-215 distance : 0.863 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-215 distance : 1.492 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-215 distance : 1.551 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-215)



    (Position in Stellar Map of star Kepler-215 and its Exoplanet Kepler-215 d)



    (Zoomed position in Stellar Map of star Kepler-215 and its Exoplanet Kepler-215 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-215*)
    *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