Imaginary Picture of Kepler-617 b

Display orbital revolution of Kepler-617 b around the hoststar Kepler-617
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Exoplanet Name : Kepler-617 b
Alternate Name : "2MASS J18545777+4730586 b, K00596.01, KIC 10388286 b, KOI-596 b, KOI-596.01, WISE J185457.76+473058.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.1180 (Rjup) 1.3227 (Rearth)
Mass (Mjup / Me): 0.0084 (Mjup) 2.6861 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0221 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0046
Orbital Period(Observed/Estimated) 1.68 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5354
Star Radiation at Atmospheric Boundary: 134544.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 854.8 (K)
Blackbody T 0.3(K) 802.7 (K)
Blackbody T 0.7(K) 649.5 (K)
Tidally Locked Blackbody T 0.1(K) 1016.5 (K)
Tidally Locked Blackbody T 0.3(K) 954.6 (K)
Size Class: super-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-617
Alternate Name : "2MASS J18545777+4730586, KIC 10388286, KOI-596, WISE J185457.76+473058.2"
Star Distance(LY) : 565.3
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 3670 (K)
Spectral type : M1 V
UV portion[%]: 0.4
Visible portion[%]: 18.4
IR portion[%]: 81.2
Metalicity : -0.1
Absolute Magnitude: 6.2
Apparent Magnitude: 12.4
Right Ascension(RA) 283.7407
Declination (DEC) 47.5163
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 537 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-617%20b/
Kepler-617 b
Kepler-617 b

  • Kepler-617 b is an exoplanet orbiting the star Kepler-617, located about 565.3 light-years (173.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-617 has apparent magnitude of 12.4, with absolute magnitude of 6.2.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3670 with its spectral types of M1 V
  • In this planetary system, the extrasolar planet Kepler-617 b orbits around the star Kepler-617 every 1.7 days with its orbital distance of 0.02 AU ( 3309221.1 km)
  • (Projected orbit of Kepler-617 b around its host star Kepler-617)


  • The Star Kepler-617 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.159 AU ( 23745927.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.219 AU ( 32823077.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.334 AU ( 50015106.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.492 AU ( 73599420.3 km)
  • Radiation at Planetary Boundary of Kepler-617 b : 134544.55 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-617)



  • Kopparapu Recent Venus for Star Kepler-617 distance : 0.179 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-617 distance : 0.226 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-617 distance : 0.219 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-617 distance : 0.240 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-617 distance : 0.437 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-617 distance : 0.461 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-617)



  • Original Kopparapu Recent Venus for Star Kepler-617 distance : 0.177 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-617 distance : 0.234 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-617 distance : 0.234 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-617 distance : 0.444 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-617 distance : 0.462 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-617)



    (Position in Stellar Map of star Kepler-617 and its Exoplanet Kepler-617 b)



    (Zoomed position in Stellar Map of star Kepler-617 and its Exoplanet Kepler-617 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-617*)
    *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