Imaginary Picture of Kepler-957 b
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Exoplanet Name : Kepler-957 b
Alternate Name :
Radius (Rjup / Re): 0.4910 (Rjup) 5.5036 (Rearth)
Mass (Mjup / Me): 0.1160 (Mjup) 36.8906 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0596 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0162
Orbital Period(Observed/Estimated) 5.91 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 149939.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 878.3 (K)
Blackbody T 0.3(K) 824.8 (K)
Blackbody T 0.7(K) 667.3 (K)
Tidally Locked Blackbody T 0.1(K) 1044.4 (K)
Tidally Locked Blackbody T 0.3(K) 980.8 (K)
Size Class: sub-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-957
Alternate Name :
Star Distance(LY) : 2691.1
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4961 (K)
Spectral type : K2
Metalicity : -0.0
Absolute Magnitude: 4.5
Apparent Magnitude: 14.1
Right Ascension(RA) 290.1563
Declination (DEC) 48.8190
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 762 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-957%20b/
Kepler-957 b
Kepler-957 b

  • Kepler-957 b is an exoplanet orbiting the star Kepler-957, located about 2691.1 light-years (825.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-957 has apparent magnitude of 14.1, with absolute magnitude of 4.5.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4961 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-957 b orbits around the star Kepler-957 every 5.9 days with its orbital distance of 0.06 AU ( 8918500.7 km)
  • (Projected orbit of Kepler-957 b around its host star Kepler-957)


  • The Star Kepler-957 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.452 AU ( 67558496.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.624 AU ( 93383497.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.951 AU ( 142295784.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.400 AU ( 209394480.5 km)
  • Radiation at Planetary Boundary of Kepler-957 b : 149939.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-957)



  • Kopparapu Recent Venus for Star Kepler-957 distance : 0.489 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-957 distance : 0.620 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-957 distance : 0.599 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-957 distance : 0.657 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-957 distance : 1.125 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-957 distance : 1.187 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-957)



  • Original Kopparapu Recent Venus for Star Kepler-957 distance : 0.484 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-957 distance : 0.639 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-957 distance : 0.641 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-957 distance : 1.144 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-957 distance : 1.189 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-957)



    (Position in Stellar Map of star Kepler-957 and its Exoplanet Kepler-957 b)



    (Zoomed position in Stellar Map of star Kepler-957 and its Exoplanet Kepler-957 b (zoom level 3))