Imaginary Picture of Kepler-856 b
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Exoplanet Name : Kepler-856 b
Alternate Name :
Radius (Rjup / Re): 0.8300 (Rjup) 9.3035 (Rearth)
Mass (Mjup / Me): 0.5605 (Mjup) 178.1991 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0774 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0220
Orbital Period(Observed/Estimated) 8.03 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 216907.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 963.2 (K)
Blackbody T 0.3(K) 904.5 (K)
Blackbody T 0.7(K) 731.9 (K)
Tidally Locked Blackbody T 0.1(K) 1145.4 (K)
Tidally Locked Blackbody T 0.3(K) 1075.7 (K)
Size Class: 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-856
Alternate Name :
Star Distance(LY) : 4418.4
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5576 (K)
Spectral type : G7
Metalicity : 0.1
Absolute Magnitude: 3.6
Apparent Magnitude: 14.3
Right Ascension(RA) 289.6038
Declination (DEC) 46.3150
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 718 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-856%20b/
Kepler-856 b
Kepler-856 b

  • Kepler-856 b is an exoplanet orbiting the star Kepler-856, located about 4418.4 light-years (1354.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-856 has apparent magnitude of 14.3, with absolute magnitude of 3.6.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5576 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-856 b orbits around the star Kepler-856 every 8.0 days with its orbital distance of 0.08 AU ( 11579302.4 km)
  • (Projected orbit of Kepler-856 b around its host star Kepler-856)


  • The Star Kepler-856 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.705 AU ( 105499481.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.975 AU ( 145827853.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.485 AU ( 222209377.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.186 AU ( 326990832.7 km)
  • Radiation at Planetary Boundary of Kepler-856 b : 216907.85 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-856)



  • Kopparapu Recent Venus for Star Kepler-856 distance : 0.740 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-856 distance : 0.937 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-856 distance : 0.905 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-856 distance : 0.992 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-856 distance : 1.664 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-856 distance : 1.755 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-856)



  • Original Kopparapu Recent Venus for Star Kepler-856 distance : 0.738 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-856 distance : 0.963 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-856 distance : 0.976 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-856 distance : 1.693 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-856 distance : 1.760 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-856)



    (Position in Stellar Map of star Kepler-856 and its Exoplanet Kepler-856 b)



    (Zoomed position in Stellar Map of star Kepler-856 and its Exoplanet Kepler-856 b (zoom level 3))