Imaginary Picture of Kepler-1250 b

Display orbital revolution of Kepler-1250 b around the hoststar Kepler-1250
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Exoplanet Name : Kepler-1250 b
Alternate Name : "2MASS J19111052+4558488 b, K02472.01, KIC 9395719 b, KOI-2472 b, KOI-2472.01"
Status : Confirmed
Radius (Rjup / Re): 0.1710 (Rjup) 1.9167 (Rearth)
Mass (Mjup / Me): 0.0152 (Mjup) 4.8317 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0370 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0071
Orbital Period(Observed/Estimated) 2.61 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3151
Star Radiation at Atmospheric Boundary: 2889867.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1840.2 (K)
Blackbody T 0.3(K) 1728.1 (K)
Blackbody T 0.7(K) 1398.2 (K)
Tidally Locked Blackbody T 0.1(K) 2188.4 (K)
Tidally Locked Blackbody T 0.3(K) 2055.1 (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-1250
Alternate Name : "2MASS J19111052+4558488, KIC 9395719, KOI-2472"
Star Distance(LY) : 6993.7
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 6166 (K)
Spectral type : G4
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 2.8
Apparent Magnitude: 14.4
Right Ascension(RA) 287.7939
Declination (DEC) 45.9802
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. Batalha7"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 441 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1250+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1250%20b/
Kepler-1250 b
Kepler-1250 b

  • Kepler-1250 b is an exoplanet orbiting the star Kepler-1250, located about 6993.7 light-years (2144.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1250 has apparent magnitude of 14.4, with absolute magnitude of 2.8.
  • It is 1.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6166 with its spectral types of G4
  • In this planetary system, the extrasolar planet Kepler-1250 b orbits around the star Kepler-1250 every 2.6 days with its orbital distance of 0.04 AU ( 5527958.0 km)
  • (Projected orbit of Kepler-1250 b around its host star Kepler-1250)


  • The Star Kepler-1250 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.229 AU ( 183837445.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.699 AU ( 254111392.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.588 AU ( 387209526.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.809 AU ( 569795781.0 km)
  • Radiation at Planetary Boundary of Kepler-1250 b : 2889867.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1250)



  • Kopparapu Recent Venus for Star Kepler-1250 distance : 1.244 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1250 distance : 1.575 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1250 distance : 1.521 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1250 distance : 1.667 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1250 distance : 2.757 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1250 distance : 2.908 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1250)



  • Original Kopparapu Recent Venus for Star Kepler-1250 distance : 1.256 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1250 distance : 1.617 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1250 distance : 1.662 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1250 distance : 2.806 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1250 distance : 2.918 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1250)



    (Position in Stellar Map of star Kepler-1250 and its Exoplanet Kepler-1250 b)



    (Zoomed position in Stellar Map of star Kepler-1250 and its Exoplanet Kepler-1250 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1250*)
    *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