Imaginary Picture of Kepler-1834 b

Display orbital revolution of Kepler-1834 b around the hoststar Kepler-1834
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Exoplanet Name : Kepler-1834 b
Alternate Name : "KOI-2393 b, KOI-2393.01"
Status : Confirmed
Radius (Rjup / Re): 0.1302 (Rjup) 1.4590 (Rearth)
Mass (Mjup / Me): 0.0121 (Mjup) 3.8442 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0496 (AU) 0.0496 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0126
Orbital Period(Observed/Estimated) 4.60 (Days Obs.) 4.58 (Days Est.)
Surface Gravity (G Earth) 1.8060
Star Radiation at Atmospheric Boundary: 146660.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 873.4 (K)
Blackbody T 0.3(K) 820.2 (K)
Blackbody T 0.7(K) 663.7 (K)
Tidally Locked Blackbody T 0.1(K) 1038.7 (K)
Tidally Locked Blackbody T 0.3(K) 975.4 (K)
Size Class: super-Earth-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-1834
Alternate Name : "KIC 4665571, KOI-2393"
Star Distance(LY) : 1632.1
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 12.2 (GY)
Temperature : 4798 (K)
Spectral type : K2V
UV portion[%]: 2.4
Visible portion[%]: 35.4
IR portion[%]: 62.1
Metalicity : 0.2
Absolute Magnitude: 6.7
Apparent Magnitude: 15.2
Right Ascension(RA) 294.6647
Declination (DEC) 39.7838
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-1834 b
Kepler-1834 b

  • Kepler-1834 b is an exoplanet orbiting the star Kepler-1834, located about 1632.1 light-years (500.4 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1834 has apparent magnitude of 15.2, with absolute magnitude of 6.7.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4798 with its spectral types of K2V
  • In this planetary system, the extrasolar planet Kepler-1834 b orbits around the star Kepler-1834 every 4.6 days with its orbital distance of 0.05 AU ( 7420054.4 km)
  • (Projected orbit of Kepler-1834 b around its host star Kepler-1834)


  • The Star Kepler-1834 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.372 AU ( 55589550.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.514 AU ( 76839286.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.783 AU ( 117086067.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.152 AU ( 172297277.8 km)
  • Radiation at Planetary Boundary of Kepler-1834 b : 146659.96 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1834)



  • Kopparapu Recent Venus for Star Kepler-1834 distance : 0.406 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1834 distance : 0.514 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1834 distance : 0.496 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1834 distance : 0.545 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1834 distance : 0.939 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1834 distance : 0.990 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1834)



  • Original Kopparapu Recent Venus for Star Kepler-1834 distance : 0.401 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1834 distance : 0.530 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1834 distance : 0.530 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1834 distance : 0.954 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1834 distance : 0.992 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1834)



    (Position in Stellar Map of star Kepler-1834 and its Exoplanet Kepler-1834 b)



    (Zoomed position in Stellar Map of star Kepler-1834 and its Exoplanet Kepler-1834 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1834*)
    *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