Imaginary Picture of Kepler-188 b
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Exoplanet Name : Kepler-188 b
Alternate Name :
Radius (Rjup / Re): 0.1500 (Rjup) 1.6813 (Rearth)
Mass (Mjup / Me): 0.0135 (Mjup) 4.2774 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0320 (AU) 0.0320 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0056
Orbital Period(Observed/Estimated) 2.06 (Days Obs.) 2.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 2045450.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1687.9 (K)
Blackbody T 0.3(K) 1585.1 (K)
Blackbody T 0.7(K) 1282.5 (K)
Tidally Locked Blackbody T 0.1(K) 2007.2 (K)
Tidally Locked Blackbody T 0.3(K) 1885.0 (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-188
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6021 (K)
Spectral type : G0
Metalicity : 0.1
Absolute Magnitude: 25.0
Apparent Magnitude: 13.5
Right Ascension(RA) 281.2797
Declination (DEC) 44.3155
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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-188+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-188%20b/
Kepler-188 b
Kepler-188 b

  • Kepler-188 b is an exoplanet orbiting the star Kepler-188. Its discovery was publicly announced on 2014.
  • The host star Kepler-188 has apparent magnitude of 13.5, with absolute magnitude of 25.0.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6021 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-188 b orbits around the star Kepler-188 every 2.1 days with its orbital distance of 0.03 AU ( 4787131.9 km)
  • (Projected orbit of Kepler-188 b around its host star Kepler-188)


  • The Star Kepler-188 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.895 AU ( 133936892.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.238 AU ( 185135787.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.886 AU ( 282105969.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.775 AU ( 415131292.0 km)
  • Radiation at Planetary Boundary of Kepler-188 b : 2045450.93 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-188)



  • Kopparapu Recent Venus for Star Kepler-188 distance : 0.914 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-188 distance : 1.158 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-188 distance : 1.118 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-188 distance : 1.226 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-188 distance : 2.033 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-188 distance : 2.144 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-188)



  • Original Kopparapu Recent Venus for Star Kepler-188 distance : 0.920 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-188 distance : 1.189 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-188 distance : 1.218 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-188 distance : 2.069 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-188 distance : 2.151 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-188)



    (Position in Stellar Map of star Kepler-188 and its Exoplanet Kepler-188 b)



    (Zoomed position in Stellar Map of star Kepler-188 and its Exoplanet Kepler-188 b (zoom level 3))