Imaginary Picture of Kepler-850 b

Display orbital revolution of Kepler-850 b around the hoststar Kepler-850
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Exoplanet Name : Kepler-850 b
Alternate Name : "2MASS J19322027+4834314 b, K01440.01, KIC 11032227 b, KOI-1440 b, KOI-1440.01, WISE J193220.26+483431.4 b"
Status : Confirmed
Radius (Rjup / Re): 0.1590 (Rjup) 1.7822 (Rearth)
Mass (Mjup / Me): 0.0142 (Mjup) 4.5155 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0744 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0197
Orbital Period(Observed/Estimated) 7.19 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.4216
Star Radiation at Atmospheric Boundary: 450851.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1156.5 (K)
Blackbody T 0.3(K) 1086.1 (K)
Blackbody T 0.7(K) 878.8 (K)
Tidally Locked Blackbody T 0.1(K) 1375.3 (K)
Tidally Locked Blackbody T 0.3(K) 1291.6 (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-850
Alternate Name : "2MASS J19322027+4834314, KIC 11032227, KOI-1440, WISE J193220.26+483431.4"
Star Distance(LY) : 5445.9
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.9 (GY)
Temperature : 6197 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.3
Apparent Magnitude: 14.4
Right Ascension(RA) 293.0845
Declination (DEC) 48.5754
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 712 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-850&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-850%20b/
Kepler-850 b
Kepler-850 b

  • Kepler-850 b is an exoplanet orbiting the star Kepler-850, located about 5445.9 light-years (1669.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-850 has apparent magnitude of 14.4, with absolute magnitude of 3.3.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6197 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-850 b orbits around the star Kepler-850 every 7.2 days with its orbital distance of 0.07 AU ( 11123517.7 km)
  • (Projected orbit of Kepler-850 b around its host star Kepler-850)


  • The Star Kepler-850 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.977 AU ( 146113115.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.350 AU ( 201966509.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.057 AU ( 307752265.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.027 AU ( 452870941.0 km)
  • Radiation at Planetary Boundary of Kepler-850 b : 450851.49 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-850)



  • Kopparapu Recent Venus for Star Kepler-850 distance : 0.987 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-850 distance : 1.250 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-850 distance : 1.207 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-850 distance : 1.323 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-850 distance : 2.186 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-850 distance : 2.305 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-850)



  • Original Kopparapu Recent Venus for Star Kepler-850 distance : 0.997 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-850 distance : 1.282 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-850 distance : 1.319 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-850 distance : 2.225 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-850 distance : 2.314 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-850)



    (Position in Stellar Map of star Kepler-850 and its Exoplanet Kepler-850 b)



    (Zoomed position in Stellar Map of star Kepler-850 and its Exoplanet Kepler-850 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-850*)
    *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