Imaginary Picture of Kepler-1791 b

Display orbital revolution of Kepler-1791 b around the hoststar Kepler-1791
/
Exoplanet Name : Kepler-1791 b
Alternate Name : "KOI-2083 b, KOI-2083.01"
Status : Confirmed
Radius (Rjup / Re): 0.2784 (Rjup) 3.1210 (Rearth)
Mass (Mjup / Me): 0.0239 (Mjup) 7.6035 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0761 (AU) 0.0761 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0211
Orbital Period(Observed/Estimated) 7.72 (Days Obs.) 7.73 (Days Est.)
Surface Gravity (G Earth) 0.7806
Star Radiation at Atmospheric Boundary: 352342.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1087.4 (K)
Blackbody T 0.3(K) 1021.2 (K)
Blackbody T 0.7(K) 826.2 (K)
Tidally Locked Blackbody T 0.1(K) 1293.1 (K)
Tidally Locked Blackbody T 0.3(K) 1214.4 (K)
Size Class: Neptune-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-1791
Alternate Name : "7097965, KOI-2083"
Star Distance(LY) : 1964.2
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 5887 (K)
Spectral type : G1V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.1
Absolute Magnitude: 4.7
Apparent Magnitude: 13.6
Right Ascension(RA) 284.4903
Declination (DEC) 42.6483
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-1791 b
Kepler-1791 b

  • Kepler-1791 b is an exoplanet orbiting the star Kepler-1791, located about 1964.2 light-years (602.2 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1791 has apparent magnitude of 13.6, with absolute magnitude of 4.7.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5887 with its spectral types of G1V
  • In this planetary system, the extrasolar planet Kepler-1791 b orbits around the star Kepler-1791 every 7.7 days with its orbital distance of 0.08 AU ( 11384398.0 km)
  • (Projected orbit of Kepler-1791 b around its host star Kepler-1791)


  • The Star Kepler-1791 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.884 AU ( 132197318.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.221 AU ( 182731241.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.861 AU ( 278441974.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.739 AU ( 409739562.9 km)
  • Radiation at Planetary Boundary of Kepler-1791 b : 352342.12 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1791)



  • Kopparapu Recent Venus for Star Kepler-1791 distance : 0.910 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1791 distance : 1.152 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1791 distance : 1.113 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1791 distance : 1.220 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1791 distance : 2.029 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1791 distance : 2.140 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1791)



  • Original Kopparapu Recent Venus for Star Kepler-1791 distance : 0.913 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1791 distance : 1.184 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1791 distance : 1.208 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1791 distance : 2.065 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1791 distance : 2.147 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1791)



    (Position in Stellar Map of star Kepler-1791 and its Exoplanet Kepler-1791 b)



    (Zoomed position in Stellar Map of star Kepler-1791 and its Exoplanet Kepler-1791 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1791*)
    *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