Imaginary Picture of Kepler-1236 b

Display orbital revolution of Kepler-1236 b around the hoststar Kepler-1236
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Exoplanet Name : Kepler-1236 b
Alternate Name : "2MASS J19422992+4232452 b, K02432.01, KIC 7047363 b, KOI-2432 b, KOI-2432.01, WISE J194229.93+423245.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1910 (Rjup) 2.1409 (Rearth)
Mass (Mjup / Me): 0.0168 (Mjup) 5.3551 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1839 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0850
Orbital Period(Observed/Estimated) 31.06 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1683
Star Radiation at Atmospheric Boundary: 17842.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 515.8 (K)
Blackbody T 0.3(K) 484.4 (K)
Blackbody T 0.7(K) 391.9 (K)
Tidally Locked Blackbody T 0.1(K) 613.4 (K)
Tidally Locked Blackbody T 0.3(K) 576.1 (K)
Size Class: sub-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-1236
Alternate Name : "2MASS J19422992+4232452, KIC 7047363, KOI-2432, WISE J194229.93+423245.1"
Star Distance(LY) : 3264.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.1 (GY)
Temperature : 5413 (K)
Spectral type : K0
UV portion[%]: 6.0
Visible portion[%]: 41.8
IR portion[%]: 52.1
Metalicity : -0.1
Absolute Magnitude: 4.5
Apparent Magnitude: 14.6
Right Ascension(RA) 295.6247
Declination (DEC) 42.5459
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha13"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 447 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1236+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1236%20b/
Kepler-1236 b
Kepler-1236 b

  • Kepler-1236 b is an exoplanet orbiting the star Kepler-1236, located about 3264.8 light-years (1001.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1236 has apparent magnitude of 14.6, with absolute magnitude of 4.5.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5413 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-1236 b orbits around the star Kepler-1236 every 31.1 days with its orbital distance of 0.18 AU ( 27508859.8 km)
  • (Projected orbit of Kepler-1236 b around its host star Kepler-1236)


  • The Star Kepler-1236 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.481 AU ( 71883637.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.664 AU ( 99361972.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.012 AU ( 151405657.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.489 AU ( 222800057.7 km)
  • Radiation at Planetary Boundary of Kepler-1236 b : 17842.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1236)



  • Kopparapu Recent Venus for Star Kepler-1236 distance : 0.509 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1236 distance : 0.644 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1236 distance : 0.622 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1236 distance : 0.682 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1236 distance : 1.150 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1236 distance : 1.213 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1236)



  • Original Kopparapu Recent Venus for Star Kepler-1236 distance : 0.506 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1236 distance : 0.663 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1236 distance : 0.670 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1236 distance : 1.170 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1236 distance : 1.217 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1236)



    (Position in Stellar Map of star Kepler-1236 and its Exoplanet Kepler-1236 b)



    (Zoomed position in Stellar Map of star Kepler-1236 and its Exoplanet Kepler-1236 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1236*)
    *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