Imaginary Picture of Kepler-1765 b

Display orbital revolution of Kepler-1765 b around the hoststar Kepler-1765
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Exoplanet Name : Kepler-1765 b
Alternate Name : "KOI-1704 b, KOI-1704.01"
Status : Confirmed
Radius (Rjup / Re): 0.2226 (Rjup) 2.4950 (Rearth)
Mass (Mjup / Me): 0.0194 (Mjup) 6.1743 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0917 (AU) 0.0917 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0285
Orbital Period(Observed/Estimated) 10.42 (Days Obs.) 10.11 (Days Est.)
Surface Gravity (G Earth) 0.9918
Star Radiation at Atmospheric Boundary: 118171.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 827.5 (K)
Blackbody T 0.3(K) 777.1 (K)
Blackbody T 0.7(K) 628.8 (K)
Tidally Locked Blackbody T 0.1(K) 984.1 (K)
Tidally Locked Blackbody T 0.3(K) 924.1 (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-1765
Alternate Name : "7386827, KOI-1704"
Star Distance(LY) : 2493.3
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 11.9 (GY)
Temperature : 5665 (K)
Spectral type : G3V
UV portion[%]: 7.5
Visible portion[%]: 44.2
IR portion[%]: 48.3
Metalicity : 0.0
Absolute Magnitude: 5.6
Apparent Magnitude: 15.0
Right Ascension(RA) 298.0144
Declination (DEC) 42.9575
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-1765 b
Kepler-1765 b

  • Kepler-1765 b is an exoplanet orbiting the star Kepler-1765, located about 2493.3 light-years (764.5 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1765 has apparent magnitude of 15.0, with absolute magnitude of 5.6.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5665 with its spectral types of G3V
  • In this planetary system, the extrasolar planet Kepler-1765 b orbits around the star Kepler-1765 every 10.4 days with its orbital distance of 0.09 AU ( 13718124.7 km)
  • (Projected orbit of Kepler-1765 b around its host star Kepler-1765)


  • The Star Kepler-1765 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.617 AU ( 92253225.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.852 AU ( 127518066.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.299 AU ( 194309313.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.911 AU ( 285934667.5 km)
  • Radiation at Planetary Boundary of Kepler-1765 b : 118171.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1765)



  • Kopparapu Recent Venus for Star Kepler-1765 distance : 0.643 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1765 distance : 0.815 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1765 distance : 0.787 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1765 distance : 0.863 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1765 distance : 1.443 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1765 distance : 1.522 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1765)



  • Original Kopparapu Recent Venus for Star Kepler-1765 distance : 0.643 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1765 distance : 0.838 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1765 distance : 0.851 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1765 distance : 1.469 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1765 distance : 1.527 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1765)



    (Position in Stellar Map of star Kepler-1765 and its Exoplanet Kepler-1765 b)



    (Zoomed position in Stellar Map of star Kepler-1765 and its Exoplanet Kepler-1765 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1765*)
    *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