Imaginary Picture of Kepler-432 b

Display orbital revolution of Kepler-432 b around the hoststar Kepler-432
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Exoplanet Name : Kepler-432 b
Alternate Name : "KOI-1299 b, 2MASS J19330772+4817092 b, K01299.01, KIC 10864656 b, KOI-1299.01, WISE J193307.73+481709.3 b"
Status : Confirmed
Radius (Rjup / Re): 1.1450 (Rjup) 12.8343 (Rearth)
Mass (Mjup / Me): 5.4100 (Mjup) 1720.0446 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3010 (AU) 0.3010 (AU Est.)
Eccentricity : 0.5134
Orbital Period(Yrs) 0.1437
Orbital Period(Observed/Estimated) 52.50 (Days Obs.) 52.50 (Days Est.)
Surface Gravity (G Earth) 10.4423
Star Radiation at Atmospheric Boundary: 135842.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 856.8 (K)
Blackbody T 0.3(K) 804.7 (K)
Blackbody T 0.7(K) 651.1 (K)
Tidally Locked Blackbody T 0.1(K) 1019.0 (K)
Tidally Locked Blackbody T 0.3(K) 956.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-432
Alternate Name : "2MASS J19330772+4817092, KIC 10864656, KOI-1299, WISE J193307.73+481709.3"
Star Distance(LY) : 2833.9
Stellar Radius(Rsun) : 4.0 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5002 (K)
Spectral type : K2III
UV portion[%]: 3.3
Visible portion[%]: 37.1
IR portion[%]: 59.6
Metalicity : -0.1
Absolute Magnitude: 3.3
Apparent Magnitude: 13.0
Right Ascension(RA) 293.2822
Declination (DEC) 48.2859
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-432+&submit=SIMBAD+search
Open Exoplanet Database Link 0
Kepler-432 b
Kepler-432 b

  • Kepler-432 b is an exoplanet orbiting the star Kepler-432, located about 2833.9 light-years (868.9 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-432 has apparent magnitude of 13.0, with absolute magnitude of 3.3.
  • It is 1.3 times more massive and 4.0 times bigger compared with our Sun. The surface temperature is 5002 with its spectral types of K2III
  • In this planetary system, the extrasolar planet Kepler-432 b orbits around the star Kepler-432 every 52.5 days with its orbital distance of 0.30 AU ( 45028959.1 km)
  • (Projected orbit of Kepler-432 b around its host star Kepler-432)


  • The Star Kepler-432 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.170 AU ( 324668052.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.000 AU ( 448776094.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.571 AU ( 683835454.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.727 AU ( 1006293827.8 km)
  • Radiation at Planetary Boundary of Kepler-432 b : 135842.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-432)



  • Kopparapu Recent Venus for Star Kepler-432 distance : 2.348 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-432 distance : 2.972 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-432 distance : 2.871 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-432 distance : 3.150 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-432 distance : 5.387 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-432 distance : 5.682 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-432)



  • Original Kopparapu Recent Venus for Star Kepler-432 distance : 2.323 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-432 distance : 3.063 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-432 distance : 3.073 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-432 distance : 5.477 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-432 distance : 5.696 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-432)



    (Position in Stellar Map of star Kepler-432 and its Exoplanet Kepler-432 b)



    (Zoomed position in Stellar Map of star Kepler-432 and its Exoplanet Kepler-432 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-432*)
    *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