Imaginary Picture of Kepler-1249 b

Display orbital revolution of Kepler-1249 b around the hoststar Kepler-1249
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Exoplanet Name : Kepler-1249 b
Alternate Name : "2MASS J19473476+4422184 b, K02468.01, KIC 8380709 b, KOI-2468 b, KOI-2468.01, WISE J194734.76+442218.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.2120 (Rjup) 2.3763 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9007 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1742 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0666
Orbital Period(Observed/Estimated) 24.33 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0450
Star Radiation at Atmospheric Boundary: 123703.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 837.0 (K)
Blackbody T 0.3(K) 786.1 (K)
Blackbody T 0.7(K) 636.0 (K)
Tidally Locked Blackbody T 0.1(K) 995.4 (K)
Tidally Locked Blackbody T 0.3(K) 934.8 (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-1249
Alternate Name : "2MASS J19473476+4422184, KIC 8380709, KOI-2468, WISE J194734.76+442218.2"
Star Distance(LY) : 6236.0
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 2.8 (GY)
Temperature : 6099 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 2.8
Apparent Magnitude: 14.2
Right Ascension(RA) 296.8949
Declination (DEC) 44.3718
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. Batalha17"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 451 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1249+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1249%20b/
Kepler-1249 b
Kepler-1249 b

  • Kepler-1249 b is an exoplanet orbiting the star Kepler-1249, located about 6236.0 light-years (1912.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1249 has apparent magnitude of 14.2, with absolute magnitude of 2.8.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6099 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-1249 b orbits around the star Kepler-1249 every 24.3 days with its orbital distance of 0.17 AU ( 26053439.5 km)
  • (Projected orbit of Kepler-1249 b around its host star Kepler-1249)


  • The Star Kepler-1249 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.198 AU ( 179261220.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.656 AU ( 247785852.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.524 AU ( 377570804.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.714 AU ( 555611979.0 km)
  • Radiation at Planetary Boundary of Kepler-1249 b : 123703.50 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1249)



  • Kopparapu Recent Venus for Star Kepler-1249 distance : 1.218 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1249 distance : 1.542 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1249 distance : 1.490 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1249 distance : 1.633 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1249 distance : 2.703 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1249 distance : 2.851 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1249)



  • Original Kopparapu Recent Venus for Star Kepler-1249 distance : 1.228 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1249 distance : 1.583 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1249 distance : 1.625 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1249 distance : 2.751 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1249 distance : 2.861 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1249)



    (Position in Stellar Map of star Kepler-1249 and its Exoplanet Kepler-1249 b)



    (Zoomed position in Stellar Map of star Kepler-1249 and its Exoplanet Kepler-1249 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1249*)
    *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