Imaginary Picture of Kepler-1794 b

Display orbital revolution of Kepler-1794 b around the hoststar Kepler-1754
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Exoplanet Name : Kepler-1794 b
Alternate Name : "KOI-1494 b, KOI-1494.01"
Status : Confirmed
Radius (Rjup / Re): 0.2177 (Rjup) 2.4402 (Rearth)
Mass (Mjup / Me): 0.0190 (Mjup) 6.0481 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0718 (AU) 0.0718 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0224
Orbital Period(Observed/Estimated) 8.20 (Days Obs.) 8.28 (Days Est.)
Surface Gravity (G Earth) 1.0157
Star Radiation at Atmospheric Boundary: 64444.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 711.1 (K)
Blackbody T 0.3(K) 667.8 (K)
Blackbody T 0.7(K) 540.3 (K)
Tidally Locked Blackbody T 0.1(K) 845.7 (K)
Tidally Locked Blackbody T 0.3(K) 794.2 (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-1754
Alternate Name : "11821363, KOI-1494"
Star Distance(LY) : 2344.9
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4553 (K)
Spectral type : K5V
UV portion[%]: 1.7
Visible portion[%]: 32.0
IR portion[%]: 66.3
Metalicity : 0.1
Absolute Magnitude: 6.7
Apparent Magnitude: 16.0
Right Ascension(RA) 295.4572
Declination (DEC) 50.0772
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-1794 b
Kepler-1794 b

  • Kepler-1794 b is an exoplanet orbiting the star Kepler-1754, located about 2344.9 light-years (718.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1754 has apparent magnitude of 16.0, with absolute magnitude of 6.7.
  • It is 0.7 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4553 with its spectral types of K5V
  • In this planetary system, the extrasolar planet Kepler-1794 b orbits around the star Kepler-1754 every 8.2 days with its orbital distance of 0.07 AU ( 10741127.1 km)
  • (Projected orbit of Kepler-1794 b around its host star Kepler-1754)


  • The Star Kepler-1754 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.357 AU ( 53342567.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.493 AU ( 73733368.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.751 AU ( 112353336.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.105 AU ( 165332856.2 km)
  • Radiation at Planetary Boundary of Kepler-1794 b : 64444.75 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1754)



  • Kopparapu Recent Venus for Star Kepler-1754 distance : 0.393 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1754 distance : 0.498 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1754 distance : 0.481 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1754 distance : 0.528 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1754 distance : 0.919 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1754 distance : 0.970 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1754)



  • Original Kopparapu Recent Venus for Star Kepler-1754 distance : 0.388 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1754 distance : 0.514 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1754 distance : 0.513 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1754 distance : 0.935 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1754 distance : 0.972 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1754)



    (Position in Stellar Map of star Kepler-1754 and its Exoplanet Kepler-1794 b)



    (Zoomed position in Stellar Map of star Kepler-1754 and its Exoplanet Kepler-1794 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1754*)
    *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