Imaginary Picture of Kepler-1719 b

Display orbital revolution of Kepler-1719 b around the hoststar Kepler-1719
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Exoplanet Name : Kepler-1719 b
Alternate Name : "KOI-388 b, KOI-388.01"
Status : Confirmed
Radius (Rjup / Re): 0.3524 (Rjup) 3.9501 (Rearth)
Mass (Mjup / Me): 0.0298 (Mjup) 9.4657 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0674 (AU) 0.0674 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0168
Orbital Period(Observed/Estimated) 6.15 (Days Obs.) 6.30 (Days Est.)
Surface Gravity (G Earth) 0.6067
Star Radiation at Atmospheric Boundary: 1003716.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1412.7 (K)
Blackbody T 0.3(K) 1326.7 (K)
Blackbody T 0.7(K) 1073.4 (K)
Tidally Locked Blackbody T 0.1(K) 1680.0 (K)
Tidally Locked Blackbody T 0.3(K) 1577.7 (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-1719
Alternate Name : "3831053, KOI-388, 2MASS J18584965+3856126"
Star Distance(LY) : 2953.0
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 7.7 (GY)
Temperature : 5752 (K)
Spectral type : G2IV
UV portion[%]: 7.8
Visible portion[%]: 44.6
IR portion[%]: 47.6
Metalicity : 0.1
Absolute Magnitude: 3.7
Apparent Magnitude: 13.4
Right Ascension(RA) 284.7069
Declination (DEC) 38.9368
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-1719 b
Kepler-1719 b

  • Kepler-1719 b is an exoplanet orbiting the star Kepler-1719, located about 2953.0 light-years (905.4 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1719 has apparent magnitude of 13.4, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5752 with its spectral types of G2IV
  • In this planetary system, the extrasolar planet Kepler-1719 b orbits around the star Kepler-1719 every 6.1 days with its orbital distance of 0.07 AU ( 10082896.5 km)
  • (Projected orbit of Kepler-1719 b around its host star Kepler-1719)


  • The Star Kepler-1719 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.321 AU ( 197615589.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.826 AU ( 273156387.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.782 AU ( 416229885.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.094 AU ( 612500510.9 km)
  • Radiation at Planetary Boundary of Kepler-1719 b : 1003716.81 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1719)



  • Kopparapu Recent Venus for Star Kepler-1719 distance : 1.371 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1719 distance : 1.736 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1719 distance : 1.677 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1719 distance : 1.839 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1719 distance : 3.069 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1719 distance : 3.237 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1719)



  • Original Kopparapu Recent Venus for Star Kepler-1719 distance : 1.372 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1719 distance : 1.785 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1719 distance : 1.816 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1719 distance : 3.122 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1719 distance : 3.247 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1719)



    (Position in Stellar Map of star Kepler-1719 and its Exoplanet Kepler-1719 b)



    (Zoomed position in Stellar Map of star Kepler-1719 and its Exoplanet Kepler-1719 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1719*)
    *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