Imaginary Picture of Kepler-456 b

Display orbital revolution of Kepler-456 b around the hoststar Kepler-456
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Exoplanet Name : Kepler-456 b
Alternate Name : "KIC 5951458 b, 2MASS J19155797+4113229 b, WISE J191557.98+411323.0 b"
Status : Confirmed
Radius (Rjup / Re): 0.5890 (Rjup) 6.6021 (Rearth)
Mass (Mjup / Me): 0.2003 (Mjup) 63.6821 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 2.3393 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 3.6141
Orbital Period(Observed/Estimated) 1320.10 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.4610
Star Radiation at Atmospheric Boundary: 1096.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 256.8 (K)
Blackbody T 0.3(K) 241.2 (K)
Blackbody T 0.7(K) 195.2 (K)
Tidally Locked Blackbody T 0.1(K) 305.4 (K)
Tidally Locked Blackbody T 0.3(K) 286.8 (K)
Size Class: sub-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-456
Alternate Name : "2MASS J19155797+4113229, KIC 5951458, 2MASS J19155797+4113229 "
Star Distance(LY) : 2421.8
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6262 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.5
Absolute Magnitude: 2.3
Apparent Magnitude: 11.6
Right Ascension(RA) 288.9916
Declination (DEC) 41.2230
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Ji Wang, Debra A. Fischer, Thomas Barclay, Alyssa Picard, Bo Ma, Brendan P. Bowler, Joseph R. Schmitt, Tabetha S. Boyajian, Kian J. Jek, Daryll LaCourse, Christoph Baranec, Reed Riddle, Nicholas M. Law, Chris Lintott, Kevin Schawinski, Dean Joseph Simister, Boscher Gregoire, Sean P. Babin, Trevor Poile, Thomas Lee Jacobs, Tony Jebson, Mark R. Omohundro, Hans Martin Schwengeler, Johann Sejpka, Ivan A.Terentev, Robert Gagliano, Jari-Pekka Paakkonen, Hans Kristian Otnes Berge, Troy Winarski, Gerald R. Green, Allan R. Schmitt, Martti H. Kristiansen, Abe Hoekstra"
Discovery Paper - Title Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/KIC%205951458%20b/
Kepler-456 b
Kepler-456 b

  • Kepler-456 b is an exoplanet orbiting the star Kepler-456, located about 2421.8 light-years (742.5 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-456 has apparent magnitude of 11.6, with absolute magnitude of 2.3.
  • It is 1.0 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6262 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-456 b orbits around the star Kepler-456 every 1320.1 days with its orbital distance of 2.34 AU ( 349954708.8 km)
  • (Projected orbit of Kepler-456 b around its host star Kepler-456)


  • The Star Kepler-456 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.515 AU ( 226714391.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.095 AU ( 313378536.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.192 AU ( 477519538.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.697 AU ( 702690920.3 km)
  • Radiation at Planetary Boundary of Kepler-456 b : 1096.66 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-456)



  • Kopparapu Recent Venus for Star Kepler-456 distance : 1.525 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-456 distance : 1.932 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-456 distance : 1.865 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-456 distance : 2.044 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-456 distance : 3.374 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-456 distance : 3.558 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-456)



  • Original Kopparapu Recent Venus for Star Kepler-456 distance : 1.543 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-456 distance : 1.982 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-456 distance : 2.042 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-456 distance : 3.434 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-456 distance : 3.572 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-456)



    (Position in Stellar Map of star Kepler-456 and its Exoplanet Kepler-456 b)



    (Zoomed position in Stellar Map of star Kepler-456 and its Exoplanet Kepler-456 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-456*)
    *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