Imaginary Picture of Kepler-1215 b

Display orbital revolution of Kepler-1215 b around the hoststar Kepler-1215
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Exoplanet Name : Kepler-1215 b
Alternate Name : "2MASS J19495126+4810530 b, K02378.01, KIC 10813132 b, KOI-2378 b, KOI-2378.01, WISE J194951.27+481053.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1090 (Rjup) 1.2218 (Rearth)
Mass (Mjup / Me): 0.0063 (Mjup) 2.0133 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0545 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0131
Orbital Period(Observed/Estimated) 4.77 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3487
Star Radiation at Atmospheric Boundary: 325654.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1066.2 (K)
Blackbody T 0.3(K) 1001.3 (K)
Blackbody T 0.7(K) 810.1 (K)
Tidally Locked Blackbody T 0.1(K) 1267.9 (K)
Tidally Locked Blackbody T 0.3(K) 1190.7 (K)
Size Class: super-Earth-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-1215
Alternate Name : "2MASS J19495126+4810530, KIC 10813132, KOI-2378, WISE J194951.27+481053.1"
Star Distance(LY) : 2154.8
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.8 (GY)
Temperature : 5633 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 44.0
IR portion[%]: 48.7
Metalicity : 0.0
Absolute Magnitude: 4.1
Apparent Magnitude: 13.2
Right Ascension(RA) 297.4636
Declination (DEC) 48.1814
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha12"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 438 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1215+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1215%20b/
Kepler-1215 b
Kepler-1215 b

  • Kepler-1215 b is an exoplanet orbiting the star Kepler-1215, located about 2154.8 light-years (660.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1215 has apparent magnitude of 13.2, with absolute magnitude of 4.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5633 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-1215 b orbits around the star Kepler-1215 every 4.8 days with its orbital distance of 0.05 AU ( 8152152.7 km)
  • (Projected orbit of Kepler-1215 b around its host star Kepler-1215)


  • The Star Kepler-1215 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.608 AU ( 91008275.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.841 AU ( 125797220.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.281 AU ( 191687124.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.886 AU ( 282076001.3 km)
  • Radiation at Planetary Boundary of Kepler-1215 b : 325654.11 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1215)



  • Kopparapu Recent Venus for Star Kepler-1215 distance : 0.636 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1215 distance : 0.805 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1215 distance : 0.778 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1215 distance : 0.853 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1215 distance : 1.428 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1215 distance : 1.506 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1215)



  • Original Kopparapu Recent Venus for Star Kepler-1215 distance : 0.635 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1215 distance : 0.828 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1215 distance : 0.840 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1215 distance : 1.453 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1215 distance : 1.511 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1215)



    (Position in Stellar Map of star Kepler-1215 and its Exoplanet Kepler-1215 b)



    (Zoomed position in Stellar Map of star Kepler-1215 and its Exoplanet Kepler-1215 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1215*)
    *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