Imaginary Picture of Kepler-815 b
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Exoplanet Name : Kepler-815 b
Alternate Name :
Radius (Rjup / Re): 0.3670 (Rjup) 4.1137 (Rearth)
Mass (Mjup / Me): 0.0485 (Mjup) 15.4053 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0883 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0235
Orbital Period(Observed/Estimated) 8.58 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 1351947.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1521.9 (K)
Blackbody T 0.3(K) 1429.2 (K)
Blackbody T 0.7(K) 1156.4 (K)
Tidally Locked Blackbody T 0.1(K) 1809.8 (K)
Tidally Locked Blackbody T 0.3(K) 1699.6 (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-815
Alternate Name :
Star Distance(LY) : 4105.6
Stellar Radius(Rsun) : 3.6 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5074 (K)
Spectral type : K2
Metalicity : -0.0
Absolute Magnitude: 1.3
Apparent Magnitude: 11.8
Right Ascension(RA) 285.2211
Declination (DEC) 47.8814
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 687 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-815%20b/
Kepler-815 b
Kepler-815 b

  • Kepler-815 b is an exoplanet orbiting the star Kepler-815, located about 4105.6 light-years (1258.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-815 has apparent magnitude of 11.8, with absolute magnitude of 1.3.
  • It is 1.2 times more massive and 3.6 times bigger compared with our Sun. The surface temperature is 5074 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-815 b orbits around the star Kepler-815 every 8.6 days with its orbital distance of 0.09 AU ( 13212729.7 km)
  • (Projected orbit of Kepler-815 b around its host star Kepler-815)


  • The Star Kepler-815 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.009 AU ( 300540321.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.777 AU ( 415425264.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.231 AU ( 633016170.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.227 AU ( 931511025.4 km)
  • Radiation at Planetary Boundary of Kepler-815 b : 1351947.41 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-815)



  • Kopparapu Recent Venus for Star Kepler-815 distance : 2.165 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-815 distance : 2.742 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-815 distance : 2.648 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-815 distance : 2.906 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-815 distance : 4.955 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-815 distance : 5.226 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-815)



  • Original Kopparapu Recent Venus for Star Kepler-815 distance : 2.144 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-815 distance : 2.825 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-815 distance : 2.837 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-815 distance : 5.038 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-815 distance : 5.240 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-815)



    (Position in Stellar Map of star Kepler-815 and its Exoplanet Kepler-815 b)



    (Zoomed position in Stellar Map of star Kepler-815 and its Exoplanet Kepler-815 b (zoom level 3))