Imaginary Picture of Kepler-1697 b

Display orbital revolution of Kepler-1697 b around the hoststar Kepler-1697
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Exoplanet Name : Kepler-1697 b
Alternate Name : "2MASS J19103921+4328172 b, K03478.01, KIC 7742408 b, KOI-3478 b, KOI-3478.01, WISE J191039.20+432817.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1120 (Rjup) 1.2554 (Rearth)
Mass (Mjup / Me): 0.0070 (Mjup) 2.2217 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2008 (AU) 0.2008 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0917
Orbital Period(Observed/Estimated) 33.50 (Days Obs.) 33.51 (Days Est.)
Surface Gravity (G Earth) 1.4097
Star Radiation at Atmospheric Boundary: 7892.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 420.7 (K)
Blackbody T 0.3(K) 395.1 (K)
Blackbody T 0.7(K) 319.6 (K)
Tidally Locked Blackbody T 0.1(K) 500.3 (K)
Tidally Locked Blackbody T 0.3(K) 469.8 (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-1697
Alternate Name : "7742408, 2MASS J19103921+4328172, KIC 7742408, KOI-3478, WISE J191039.20+432817.1"
Star Distance(LY) : 814.0
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5017 (K)
Spectral type : K2
UV portion[%]: 3.3
Visible portion[%]: 37.3
IR portion[%]: 59.4
Metalicity : 0.5
Absolute Magnitude: 6.0
Apparent Magnitude: 13.0
Right Ascension(RA) 287.6634
Declination (DEC) 43.4715
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1697+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-1697 b
Kepler-1697 b

  • Kepler-1697 b is an exoplanet orbiting the star Kepler-1697, located about 814.0 light-years (249.6 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star Kepler-1697 has apparent magnitude of 13.0, with absolute magnitude of 6.0.
  • It is 1.0 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 5017 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-1697 b orbits around the star Kepler-1697 every 33.5 days with its orbital distance of 0.20 AU ( 30039252.4 km)
  • (Projected orbit of Kepler-1697 b around its host star Kepler-1697)


  • The Star Kepler-1697 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.349 AU ( 52206705.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.482 AU ( 72163310.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.735 AU ( 109960915.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.082 AU ( 161812303.9 km)
  • Radiation at Planetary Boundary of Kepler-1697 b : 7892.48 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1697)



  • Kopparapu Recent Venus for Star Kepler-1697 distance : 0.377 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1697 distance : 0.478 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1697 distance : 0.461 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1697 distance : 0.506 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1697 distance : 0.865 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1697 distance : 0.912 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1697)



  • Original Kopparapu Recent Venus for Star Kepler-1697 distance : 0.373 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1697 distance : 0.492 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1697 distance : 0.494 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1697 distance : 0.880 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1697 distance : 0.915 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1697)



    (Position in Stellar Map of star Kepler-1697 and its Exoplanet Kepler-1697 b)



    (Zoomed position in Stellar Map of star Kepler-1697 and its Exoplanet Kepler-1697 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1697*)
    *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