Imaginary Picture of Kepler-616 d

Display orbital revolution of Kepler-616 d around the hoststar Kepler-616
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Exoplanet Name : Kepler-616 d
Alternate Name : "KOI-593 d, KOI-593.03"
Status : Confirmed
Radius (Rjup / Re): 0.2367 (Rjup) 2.6531 (Rearth)
Mass (Mjup / Me): 0.0206 (Mjup) 6.5373 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2749 (AU) 0.2749 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1398
Orbital Period(Observed/Estimated) 51.07 (Days Obs.) 53.18 (Days Est.)
Surface Gravity (G Earth) 0.9288
Star Radiation at Atmospheric Boundary: 13926.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 484.8 (K)
Blackbody T 0.3(K) 455.3 (K)
Blackbody T 0.7(K) 368.4 (K)
Tidally Locked Blackbody T 0.1(K) 576.6 (K)
Tidally Locked Blackbody T 0.3(K) 541.5 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-616
Alternate Name : "2MASS J19395739+4650179, KIC 9958962, KOI-593, WISE J193957.31+465019.5"
Star Distance(LY) : 3084.7
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.9 (GY)
Temperature : 5556 (K)
Spectral type : G5V
UV portion[%]: 7.1
Visible portion[%]: 43.6
IR portion[%]: 49.3
Metalicity : 0.2
Absolute Magnitude: 5.1
Apparent Magnitude: 15.0
Right Ascension(RA) 294.9891
Declination (DEC) 46.8383
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-616 d
Kepler-616 d

  • Kepler-616 d is an exoplanet orbiting the star Kepler-616, located about 3084.7 light-years (945.8 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-616 has apparent magnitude of 15.0, with absolute magnitude of 5.1.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5556 with its spectral types of G5V
  • In this planetary system, the extrasolar planet Kepler-616 d orbits around the star Kepler-616 every 51.1 days with its orbital distance of 0.27 AU ( 41124454.7 km)
  • (Projected orbit of Kepler-616 d around its host star Kepler-616)


  • The Star Kepler-616 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.635 AU ( 94939906.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.877 AU ( 131231761.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.337 AU ( 199968162.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.967 AU ( 294261911.6 km)
  • Radiation at Planetary Boundary of Kepler-616 d : 13926.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-616)



  • Kopparapu Recent Venus for Star Kepler-616 distance : 0.666 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-616 distance : 0.844 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-616 distance : 0.815 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-616 distance : 0.894 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-616 distance : 1.500 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-616 distance : 1.582 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-616)



  • Original Kopparapu Recent Venus for Star Kepler-616 distance : 0.665 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-616 distance : 0.868 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-616 distance : 0.879 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-616 distance : 1.526 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-616 distance : 1.587 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-616)



    (Position in Stellar Map of star Kepler-616 and its Exoplanet Kepler-616 d)



    (Zoomed position in Stellar Map of star Kepler-616 and its Exoplanet Kepler-616 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-616*)
    *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