Imaginary Picture of Kepler-1237 b

Display orbital revolution of Kepler-1237 b around the hoststar Kepler-1237
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Exoplanet Name : Kepler-1237 b
Alternate Name : "2MASS J19423102+4441262 b, K02436.01, KIC 8570333 b, KOI-2436 b, KOI-2436.01, WISE J194231.02+444126.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.2550 (Rjup) 2.8583 (Rearth)
Mass (Mjup / Me): 0.0220 (Mjup) 7.0064 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.3694 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2315
Orbital Period(Observed/Estimated) 84.57 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8576
Star Radiation at Atmospheric Boundary: 5785.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 389.3 (K)
Blackbody T 0.3(K) 365.6 (K)
Blackbody T 0.7(K) 295.8 (K)
Tidally Locked Blackbody T 0.1(K) 462.9 (K)
Tidally Locked Blackbody T 0.3(K) 434.7 (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-1237
Alternate Name : "2MASS J19423102+4441262, KIC 8570333, KOI-2436, WISE J194231.02+444126.1"
Star Distance(LY) : 3477.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 5419 (K)
Spectral type : G7
UV portion[%]: 6.7
Visible portion[%]: 43.0
IR portion[%]: 50.2
Metalicity : 0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 14.3
Right Ascension(RA) 295.6293
Declination (DEC) 44.6906
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. Batalha14"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 448 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1237+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1237%20b/
Kepler-1237 b
Kepler-1237 b

  • Kepler-1237 b is an exoplanet orbiting the star Kepler-1237, located about 3477.2 light-years (1066.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1237 has apparent magnitude of 14.3, with absolute magnitude of 4.2.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5419 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-1237 b orbits around the star Kepler-1237 every 84.6 days with its orbital distance of 0.37 AU ( 55258209.5 km)
  • (Projected orbit of Kepler-1237 b around its host star Kepler-1237)


  • The Star Kepler-1237 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.550 AU ( 82226188.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.760 AU ( 113658080.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.158 AU ( 173189761.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.704 AU ( 254856321.2 km)
  • Radiation at Planetary Boundary of Kepler-1237 b : 5785.84 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1237)



  • Kopparapu Recent Venus for Star Kepler-1237 distance : 0.582 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1237 distance : 0.737 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1237 distance : 0.711 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1237 distance : 0.780 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1237 distance : 1.315 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1237 distance : 1.387 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1237)



  • Original Kopparapu Recent Venus for Star Kepler-1237 distance : 0.579 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1237 distance : 0.758 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1237 distance : 0.766 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1237 distance : 1.337 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1237 distance : 1.391 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1237)



    (Position in Stellar Map of star Kepler-1237 and its Exoplanet Kepler-1237 b)



    (Zoomed position in Stellar Map of star Kepler-1237 and its Exoplanet Kepler-1237 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1237*)
    *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