Imaginary Picture of Kepler-1617 b
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Exoplanet Name : Kepler-1617 b
Alternate Name :
Radius (Rjup / Re): 0.1070 (Rjup) 1.1994 (Rearth)
Mass (Mjup / Me): 0.0059 (Mjup) 1.8826 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1867 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0752
Orbital Period(Observed/Estimated) 27.48 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 75732.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 740.4 (K)
Blackbody T 0.3(K) 695.3 (K)
Blackbody T 0.7(K) 562.6 (K)
Tidally Locked Blackbody T 0.1(K) 880.5 (K)
Tidally Locked Blackbody T 0.3(K) 826.9 (K)
Size Class: Earth-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-1617
Alternate Name :
Star Distance(LY) : 2651.6
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6167 (K)
Spectral type : G0
Metalicity : 0.0
Absolute Magnitude: 3.1
Apparent Magnitude: 12.7
Right Ascension(RA) 287.9372
Declination (DEC) 46.4185
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1617%20b/
Kepler-1617 b
Kepler-1617 b

  • Kepler-1617 b is an exoplanet orbiting the star Kepler-1617, located about 2651.6 light-years (813.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1617 has apparent magnitude of 12.7, with absolute magnitude of 3.1.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6167 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-1617 b orbits around the star Kepler-1617 every 27.5 days with its orbital distance of 0.19 AU ( 27931472.2 km)
  • (Projected orbit of Kepler-1617 b around its host star Kepler-1617)


  • The Star Kepler-1617 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.005 AU ( 150371606.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.389 AU ( 207852857.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.117 AU ( 316721756.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.115 AU ( 466069939.6 km)
  • Radiation at Planetary Boundary of Kepler-1617 b : 75732.70 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1617)



  • Kopparapu Recent Venus for Star Kepler-1617 distance : 1.017 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1617 distance : 1.289 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1617 distance : 1.244 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1617 distance : 1.364 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1617 distance : 2.255 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1617 distance : 2.378 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1617)



  • Original Kopparapu Recent Venus for Star Kepler-1617 distance : 1.027 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1617 distance : 1.322 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1617 distance : 1.359 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1617 distance : 2.295 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1617 distance : 2.387 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1617)



    (Position in Stellar Map of star Kepler-1617 and its Exoplanet Kepler-1617 b)



    (Zoomed position in Stellar Map of star Kepler-1617 and its Exoplanet Kepler-1617 b (zoom level 3))