Imaginary Picture of Kepler-854 b

Display orbital revolution of Kepler-854 b around the hoststar Kepler-854
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Exoplanet Name : Kepler-854 b
Alternate Name : "2MASS J19332431+4308047 b, K01450.01, KIC 7532973 b, KOI-1450 b, KOI-1450.01, WISE J193324.30+430804.5 b"
Status : Controversial
Radius (Rjup / Re): 1.4920 (Rjup) 16.7238 (Rearth)
Mass (Mjup / Me): 3.2556 (Mjup) 1035.0891 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0343 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0059
Orbital Period(Observed/Estimated) 2.14 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 3.7009
Star Radiation at Atmospheric Boundary: 9430528.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2473.3 (K)
Blackbody T 0.3(K) 2322.7 (K)
Blackbody T 0.7(K) 1879.3 (K)
Tidally Locked Blackbody T 0.1(K) 2941.3 (K)
Tidally Locked Blackbody T 0.3(K) 2762.2 (K)
Size Class: Super-Jupiter-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-854
Alternate Name : "2MASS J19332431+4308047, KIC 7532973, KOI-1450, WISE J193324.30+430804.5"
Star Distance(LY) : 4555.0
Stellar Radius(Rsun) : 2.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 3.0 (GY)
Temperature : 6295 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 1.7
Apparent Magnitude: 12.4
Right Ascension(RA) 293.3513
Declination (DEC) 43.1346
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 716 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-854&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-854%20b/
Kepler-854 b
Kepler-854 b

  • Kepler-854 b is an exoplanet orbiting the star Kepler-854, located about 4555.0 light-years (1396.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-854 has apparent magnitude of 12.4, with absolute magnitude of 1.7.
  • It is 1.2 times more massive and 2.4 times bigger compared with our Sun. The surface temperature is 6295 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-854 b orbits around the star Kepler-854 every 2.1 days with its orbital distance of 0.03 AU ( 5130533.4 km)
  • (Projected orbit of Kepler-854 b around its host star Kepler-854)


  • The Star Kepler-854 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.060 AU ( 308220004.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.848 AU ( 426040594.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.340 AU ( 649191583.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.386 AU ( 955313853.9 km)
  • Radiation at Planetary Boundary of Kepler-854 b : 9430528.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-854)



  • Kopparapu Recent Venus for Star Kepler-854 distance : 2.069 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-854 distance : 2.621 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-854 distance : 2.531 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-854 distance : 2.774 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-854 distance : 4.575 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-854 distance : 4.825 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-854)



  • Original Kopparapu Recent Venus for Star Kepler-854 distance : 2.095 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-854 distance : 2.688 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-854 distance : 2.772 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-854 distance : 4.657 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-854 distance : 4.843 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-854)



    (Position in Stellar Map of star Kepler-854 and its Exoplanet Kepler-854 b)



    (Zoomed position in Stellar Map of star Kepler-854 and its Exoplanet Kepler-854 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-854*)
    *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