Imaginary Picture of Kepler-15 b
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Exoplanet Name : Kepler-15 b
Alternate Name :
Radius (Rjup / Re): 0.9600 (Rjup) 10.7606 (Rearth)
Mass (Mjup / Me): 0.6600 (Mjup) 209.8391 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0571 (AU) 0.0571 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0135
Orbital Period(Observed/Estimated) 4.94 (Days Obs.) 4.94 (Days Est.)
Star Radiation at Atmospheric Boundary: 583052.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1233.3 (K)
Blackbody T 0.3(K) 1158.2 (K)
Blackbody T 0.7(K) 937.1 (K)
Tidally Locked Blackbody T 0.1(K) 1466.7 (K)
Tidally Locked Blackbody T 0.3(K) 1377.3 (K)
Size Class: Jupiter-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-15
Alternate Name :
Star Distance(LY) : 2410.9
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5662 (K)
Spectral type : G6
Metalicity : 0.4
Absolute Magnitude: 4.5
Apparent Magnitude: 13.8
Right Ascension(RA) 296.2006
Declination (DEC) 49.1401
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S.; BEICHMAN C.A.; CARPENTER J.M.; CHESTER T.; CAMBRESY L.; EVANS T.; FOWLER J.; GIZIS J.; HOWARD E.; HUCHRA J.; JARRETT T.; KOPAN E.L.; KIRKPATRICK J.D.; LIGHT R.M.; MARSH K.A.; McCALLON H.; SCHNEIDER S.; STIENING R.; SYKES M.; WEINBERG M.; WHEATON W.A.; WHEELOCK S.; ZACARIAS N.
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-15+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-15%20b/
Kepler-15 b
Kepler-15 b

  • Kepler-15 b is an exoplanet orbiting the star Kepler-15, located about 2410.9 light-years (739.2 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star Kepler-15 has apparent magnitude of 13.8, with absolute magnitude of 4.5.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5662 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-15 b orbits around the star Kepler-15 every 4.9 days with its orbital distance of 0.06 AU ( 8548022.3 km)
  • (Projected orbit of Kepler-15 b around its host star Kepler-15)


  • The Star Kepler-15 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.854 AU ( 127687894.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.180 AU ( 176498038.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.798 AU ( 268943952.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.646 AU ( 395762807.5 km)
  • Radiation at Planetary Boundary of Kepler-15 b : 583052.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-15)



  • Kopparapu Recent Venus for Star Kepler-15 distance : 0.891 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-15 distance : 1.128 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-15 distance : 1.089 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-15 distance : 1.195 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-15 distance : 1.998 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-15 distance : 2.108 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-15)



  • Original Kopparapu Recent Venus for Star Kepler-15 distance : 0.890 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-15 distance : 1.160 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-15 distance : 1.178 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-15 distance : 2.033 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-15 distance : 2.115 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-15)



    (Position in Stellar Map of star Kepler-15 and its Exoplanet Kepler-15 b)



    (Zoomed position in Stellar Map of star Kepler-15 and its Exoplanet Kepler-15 b (zoom level 3))