Imaginary Picture of Kepler-403 b
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Exoplanet Name : Kepler-403 b
Alternate Name :
Radius (Rjup / Re): 0.1120 (Rjup) 1.2554 (Rearth)
Mass (Mjup / Me): 0.0070 (Mjup) 2.2217 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0760 (AU) 0.0760 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0193
Orbital Period(Observed/Estimated) 7.03 (Days Obs.) 7.36 (Days Est.)
Star Radiation at Atmospheric Boundary: 989187.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1407.5 (K)
Blackbody T 0.3(K) 1321.8 (K)
Blackbody T 0.7(K) 1069.5 (K)
Tidally Locked Blackbody T 0.1(K) 1673.9 (K)
Tidally Locked Blackbody T 0.3(K) 1571.9 (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-403
Alternate Name :
Star Distance(LY) : 2740.5
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6094 (K)
Spectral type : G0
Metalicity : -0.1
Absolute Magnitude: 2.2
Apparent Magnitude: 11.8
Right Ascension(RA) 289.9214
Declination (DEC) 46.7446
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-403+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-403%20b/
Kepler-403 b
Kepler-403 b

  • Kepler-403 b is an exoplanet orbiting the star Kepler-403, located about 2740.5 light-years (840.2 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-403 has apparent magnitude of 11.8, with absolute magnitude of 2.2.
  • It is 1.1 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6094 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-403 b orbits around the star Kepler-403 every 7.0 days with its orbital distance of 0.08 AU ( 11369438.2 km)
  • (Projected orbit of Kepler-403 b around its host star Kepler-403)


  • The Star Kepler-403 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.479 AU ( 221211917.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.044 AU ( 305772678.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.115 AU ( 465929895.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.583 AU ( 685636251.9 km)
  • Radiation at Planetary Boundary of Kepler-403 b : 989187.09 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-403)



  • Kopparapu Recent Venus for Star Kepler-403 distance : 1.503 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-403 distance : 1.904 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-403 distance : 1.839 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-403 distance : 2.015 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-403 distance : 3.337 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-403 distance : 3.519 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-403)



  • Original Kopparapu Recent Venus for Star Kepler-403 distance : 1.515 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-403 distance : 1.954 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-403 distance : 2.005 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-403 distance : 3.396 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-403 distance : 3.532 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-403)



    (Position in Stellar Map of star Kepler-403 and its Exoplanet Kepler-403 b)



    (Zoomed position in Stellar Map of star Kepler-403 and its Exoplanet Kepler-403 b (zoom level 3))