Imaginary Picture of Kepler-800 b

Display orbital revolution of Kepler-800 b around the hoststar Kepler-800
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Exoplanet Name : Kepler-800 b
Alternate Name : "2MASS J19061795+4447427 b, K01264.01, KIC 8612847 b, KOI-1264 b, KOI-1264.01, WISE J190617.95+444742.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.2540 (Rjup) 2.8471 (Rearth)
Mass (Mjup / Me): 0.0220 (Mjup) 6.9808 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1084 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0387
Orbital Period(Observed/Estimated) 14.13 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8612
Star Radiation at Atmospheric Boundary: 63918.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 709.7 (K)
Blackbody T 0.3(K) 666.4 (K)
Blackbody T 0.7(K) 539.2 (K)
Tidally Locked Blackbody T 0.1(K) 843.9 (K)
Tidally Locked Blackbody T 0.3(K) 792.5 (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-800
Alternate Name : "2MASS J19061795+4447427, KIC 8612847, KOI-1264, WISE J190617.95+444742.6"
Star Distance(LY) : 3328.6
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5621 (K)
Spectral type : K0
UV portion[%]: 5.9
Visible portion[%]: 41.6
IR portion[%]: 52.5
Metalicity : -0.1
Absolute Magnitude: 4.4
Apparent Magnitude: 14.4
Right Ascension(RA) 286.5748
Declination (DEC) 44.7952
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 672 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-800&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-800%20b/
Kepler-800 b
Kepler-800 b

  • Kepler-800 b is an exoplanet orbiting the star Kepler-800, located about 3328.6 light-years (1020.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-800 has apparent magnitude of 14.4, with absolute magnitude of 4.4.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5621 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-800 b orbits around the star Kepler-800 every 14.1 days with its orbital distance of 0.11 AU ( 16210724.0 km)
  • (Projected orbit of Kepler-800 b around its host star Kepler-800)


  • The Star Kepler-800 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.536 AU ( 80176491.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.741 AU ( 110824863.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.129 AU ( 168872566.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.661 AU ( 248503378.8 km)
  • Radiation at Planetary Boundary of Kepler-800 b : 63918.81 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-800)



  • Kopparapu Recent Venus for Star Kepler-800 distance : 0.561 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-800 distance : 0.710 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-800 distance : 0.686 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-800 distance : 0.752 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-800 distance : 1.259 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-800 distance : 1.328 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-800)



  • Original Kopparapu Recent Venus for Star Kepler-800 distance : 0.560 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-800 distance : 0.730 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-800 distance : 0.741 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-800 distance : 1.281 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-800 distance : 1.332 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-800)



    (Position in Stellar Map of star Kepler-800 and its Exoplanet Kepler-800 b)



    (Zoomed position in Stellar Map of star Kepler-800 and its Exoplanet Kepler-800 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-800*)
    *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