Imaginary Picture of Kepler-1709 b

Display orbital revolution of Kepler-1709 b around the hoststar Kepler-1709
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Exoplanet Name : Kepler-1709 b
Alternate Name : "KOI-92 b, KOI-92.01"
Status : Confirmed
Radius (Rjup / Re): 0.2787 (Rjup) 3.1241 (Rearth)
Mass (Mjup / Me): 0.0239 (Mjup) 7.6103 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3192 (AU) 0.3192 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1799
Orbital Period(Observed/Estimated) 65.70 (Days Obs.) 64.62 (Days Est.)
Surface Gravity (G Earth) 0.7798
Star Radiation at Atmospheric Boundary: 17413.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 512.7 (K)
Blackbody T 0.3(K) 481.5 (K)
Blackbody T 0.7(K) 389.6 (K)
Tidally Locked Blackbody T 0.1(K) 609.7 (K)
Tidally Locked Blackbody T 0.3(K) 572.6 (K)
Size Class: 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-1709
Alternate Name : "7941200, KOI-92, 2MASS J18532995+4347176"
Star Distance(LY) : 893.5
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 2.2 (GY)
Temperature : 5789 (K)
Spectral type : G2V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 4.5
Apparent Magnitude: 11.6
Right Ascension(RA) 283.3748
Declination (DEC) 43.7882
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-1709 b
Kepler-1709 b

  • Kepler-1709 b is an exoplanet orbiting the star Kepler-1709, located about 893.5 light-years (273.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1709 has apparent magnitude of 11.6, with absolute magnitude of 4.5.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5789 with its spectral types of G2V
  • In this planetary system, the extrasolar planet Kepler-1709 b orbits around the star Kepler-1709 every 65.7 days with its orbital distance of 0.32 AU ( 47751640.3 km)
  • (Projected orbit of Kepler-1709 b around its host star Kepler-1709)


  • The Star Kepler-1709 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.824 AU ( 123271043.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.139 AU ( 170392797.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.736 AU ( 259640914.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.554 AU ( 382072980.2 km)
  • Radiation at Planetary Boundary of Kepler-1709 b : 17413.46 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1709)



  • Kopparapu Recent Venus for Star Kepler-1709 distance : 0.853 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1709 distance : 1.081 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1709 distance : 1.044 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1709 distance : 1.144 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1709 distance : 1.908 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1709 distance : 2.012 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1709)



  • Original Kopparapu Recent Venus for Star Kepler-1709 distance : 0.855 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1709 distance : 1.111 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1709 distance : 1.131 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1709 distance : 1.942 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1709 distance : 2.019 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1709)



    (Position in Stellar Map of star Kepler-1709 and its Exoplanet Kepler-1709 b)



    (Zoomed position in Stellar Map of star Kepler-1709 and its Exoplanet Kepler-1709 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1709*)
    *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